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Οι 10 τύποι ερωτήσεων TOEFL Reading με δείγματα ερωτήσεων

Τύποι ερωτήσεων TOEFL Reading: και οι 10 τύποι με δείγματα ερωτήσεων και απαντήσεις

Στο σημερινό τεστ υπάρχουν δέκα τύποι ερωτήσεων TOEFL Reading. Αυτή η σελίδα σας δείχνει κάθε τύπο με ένα δείγμα ερώτησης, την απάντηση και τον λόγο για την απάντηση, ώστε να αναγνωρίζετε κάθε τύπο πριν από την ημέρα της εξέτασης.

Οι τύποι εμφανίζονται μέσα στους τρεις τύπους εργασιών του TOEFL Reading: Complete the Words, Read in Daily Life και Read an Academic Passage. Τα κείμενα Read in Daily Life χρησιμοποιούν κυρίως ερωτήσεις Detail, Gist Purpose και Inference. Τα ακαδημαϊκά κείμενα χρησιμοποιούν και τους δέκα.

Πίνακας περιεχομένων

Πόσοι τύποι ερωτήσεων TOEFL Reading υπάρχουν;

Υπάρχουν δέκα τύποι ερωτήσεων TOEFL Reading. Οι εννέα είναι ερωτήσεις πολλαπλής επιλογής ή ερωτήσεις όπου κάνετε κλικ μέσα στο κείμενο, σε ένα κείμενο Read in Daily Life ή σε ένα ακαδημαϊκό κείμενο. Ο δέκατος, το Complete the Words, είναι ένα ξεχωριστό κείμενο με κενά. Ο πίνακας δείχνει πόσο συχνά οι μαθητές μας απαντούν σωστά σε κάθε τύπο στην εξάσκηση, από τον πιο δύσκολο στον πιο εύκολο.

Τύπος ερώτησηςΣωστές απαντήσεις στην εξάσκηση
Select in Passage46,2%
Insert a Sentence47,6%
Rhetorical Purpose55,5%
Negative Factual Information57,7%
Inference60,2%
Vocabulary62,4%
Organization63,3%
Complete the Words (ανά κενό)65,1%
Detail74,5%
Gist Purpose82,0%

Οι τέσσερις πιο δύσκολοι τύποι σας ζητούν να χρησιμοποιήσετε το κείμενο, όχι απλώς να βρείτε ένα στοιχείο μέσα σε αυτό. Το Select in Passage και το Insert a Sentence δεν έχουν γράμματα απαντήσεων για να συγκρίνετε, το Rhetorical Purpose ρωτά γιατί ο συγγραφέας έβαλε μια λεπτομέρεια, και το Negative Factual Information ζητά τη μία επιλογή που δεν υπάρχει στο κείμενο. Οι πιο εύκολοι τύποι, το Gist Purpose και το Detail, είναι αυτοί που χρησιμοποιούν περισσότερο τα κείμενα Read in Daily Life. Μερικοί τύποι έγιναν πολύ πιο εύκολοι ή πιο δύσκολοι όταν τα κείμενα έγιναν πιο σύντομα τον Ιανουάριο 2026: δείτε τις παλιές και νέες ερωτήσεις TOEFL Reading σε σύγκριση.

Τα στοιχεία προέρχονται από τα δεδομένα επιδόσεων μαθητών TOEFL της BestMyTest (learner performance data), έως τον Οκτώβριο 2026: περίπου 3,1 εκατομμύρια απαντήσεις ανά τύπο ερώτησης από 117.318 ενότητες TOEFL Reading πλήρων δοκιμαστικών τεστ και 512.111 ερωτήσεις εξάσκησης, στην προηγούμενη μορφή του τεστ και στην τρέχουσα. Οι τύποι ερωτήσεων που υπάρχουν και στις δύο μορφές συνδυάζονται. Τα ποσοστά είναι οι σωστές απαντήσεις διά τις ερωτήσεις που απαντήθηκαν. Για το Select in Passage χρησιμοποιούνται μόνο τα στοιχεία από τον Ιούλιο έως τον Οκτώβριο 2026. Τελευταία ενημέρωση: 8 Οκτωβρίου 2026.

Τύπος ερώτησης TOEFL Reading 1: Detail

Μια ερώτηση Detail στο TOEFL Reading ζητά ένα στοιχείο που λέγεται καθαρά στο κείμενο. Βρίσκετε την πρόταση που έχει αυτό το στοιχείο και επιλέγετε την απάντηση που λέει το ίδιο πράγμα με άλλα λόγια. Το Detail είναι ο πιο συχνός τύπος ερώτησης και στα κείμενα Read in Daily Life και στα ακαδημαϊκά κείμενα, και οι μαθητές μας απαντούν σωστά στο 74,5% των ερωτήσεων Detail στην εξάσκηση.

Ερώτηση Detail
[1] Passive cooling architecture reduces indoor heat by relying on building design rather than heavy mechanical cooling. Features such as thick walls, shaded courtyards, and carefully placed openings can slow heat gain during the day. In some climates, these strategies make buildings more comfortable while lowering energy use.

[2] One widely used approach is to guide moving air through interior spaces. Ventilation towers, shaded passages, and high ceilings can direct breezes where they are most useful. Designers must also carefully channel air movement so that warm air leaves and cooler air enters at the right points.

[3] Although passive cooling depends on local climate and thoughtful planning, it is likely to become more important as cities search for lower-energy building strategies. For this reason, architects, engineers, and material specialists often work together when adapting traditional cooling ideas to modern construction.
Why are shaded courtyards and thick walls useful in passive cooling design?
  1. They help reduce indoor heat gain during the day.
  2. They eliminate the need for ventilation openings.
  3. They increase the amount of sunlight indoors at noon.
  4. They are useful only in cold climates.

Ερώτηση Detail
Οι ερωτήσεις Detail ρωτούν για πληροφορίες που λέγονται καθαρά στο κείμενο. Η σωστή απάντηση αναφέρεται ρητά (δεν υπονοείται), συχνά ως ένα συγκεκριμένο γεγονός, ένας αριθμός ή μια περιγραφή.
  • spellcheck Answer
    Answer: A

    (A) The correct answer is They help reduce indoor heat gain during the day. In the passage, "Features such as thick walls, shaded courtyards, and carefully placed openings can slow heat gain during the day." directly supports "They help reduce indoor heat gain during the day."

    (B) They eliminate the need for ventilation openings. is incorrect because it changes or distorts a detail from the passage; Features such as thick walls, shaded courtyards, and carefully placed openings can slow heat gain during the day.

    (C) They increase the amount of sunlight indoors at noon. is incorrect because the passage does not support that detail

    (D) They are useful only in cold climates. is incorrect because the passage does not support that detail

Detail

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Τύπος ερώτησης TOEFL Reading 2: Gist Purpose

Μια ερώτηση Gist Purpose ρωτά γιατί ο συγγραφέας έγραψε όλο το κείμενο. Εμφανίζεται κυρίως στα κείμενα Read in Daily Life, όπου ένα email ή μια ανακοίνωση λέει τον σκοπό της στις πρώτες προτάσεις. Είναι ο πιο εύκολος τύπος για τους μαθητές μας, με 82,0% σωστές απαντήσεις. Η παγίδα είναι μια επιλογή που επαναλαμβάνει μια αληθινή λεπτομέρεια του κειμένου, αλλά δεν είναι ο λόγος για τον οποίο γράφτηκε το κείμενο.

Ερώτηση Gist Purpose
[1] Fast radio bursts (FRBs) are extremely brief yet powerful flashes of radio energy that arrive without warning from distant reaches of the cosmos. Each signal lasts only a few milliseconds, so astronomers describe them as "ephemeral" events that fade almost as soon as they are noticed. Despite their fleeting nature, the bursts release more energy than the Sun does in days. Their dispersion patterns reveal that many originate billions of light-years away, implying that whatever produces them must be extraordinarily energetic and capable of sending signals across intergalactic space.

[2] Because FRBs travel through space for such vast stretches, they carry information about the material they traverse. By measuring slight delays at different frequencies, researchers can estimate the amount of ionized gas between galaxies. Leading theories about their origin include eruptions from magnetars, collisions between neutron stars, and the evaporation of primordial black holes. Magnetars attract particular attention because occasional X-ray flares from known examples coincide with weak FRB-like pulses, hinting at a physical connection.

[3] To unravel the mystery, astronomers are assembling networks of wide-field radio telescopes. The Canadian Hydrogen Intensity Mapping Experiment (CHIME) already catalogs hundreds of bursts per year, while South Africa’s MeerKAT array pinpoints them to host galaxies. The forthcoming Square Kilometre Array (SKA) will boost sensitivity tenfold, enabling detection of weaker events and mapping the cosmic web with unprecedented detail. Paired with automated supercomputers, these facilities could transform FRBs from curiosities into routine tools for cosmology.
What is the purpose of the second paragraph?
  1. To describe the instruments used to detect FRBs
  2. To present major theories explaining FRB origins
  3. To compare FRBs with other cosmic explosions
  4. To summarize the history of radio astronomy

Ερώτηση Gist Purpose
Οι ερωτήσεις Gist Purpose ρωτούν γιατί γράφτηκε το κείμενο (ή ένα ολόκληρο μέρος του). Η σωστή απάντηση εκφράζει τον συνολικό στόχο του συγγραφέα, όχι μια μικρή λεπτομέρεια.
  • spellcheck Answer
    Answer: B

    (B) The correct answer is to present major theories explaining FRB origins. Paragraph 2 lists “eruptions from magnetars, collisions between neutron stars, and the evaporation of primordial black holes,” clearly outlining leading hypotheses for where FRBs come from.

    (A) Discussion of detection instruments appears in paragraph 3, not paragraph 2, so this choice is inaccurate.

    (C) The paragraph does not compare FRBs with supernovae or gamma-ray bursts; it focuses solely on possible sources.

    (D) No historical overview of radio astronomy is provided; therefore this option is irrelevant.

Gist Purpose

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Τύπος ερώτησης TOEFL Reading 3: Rhetorical Purpose

Μια ερώτηση Rhetorical Purpose ρωτά γιατί ο συγγραφέας έβαλε μια λεπτομέρεια, όχι αν η λεπτομέρεια είναι αληθινή. Την αναγνωρίζετε από διατυπώσεις όπως "Why does the author mention...". Ο ρόλος της λεπτομέρειας βρίσκεται συνήθως στην πρόταση πριν από αυτήν. Οι μαθητές μας απαντούν σωστά στο 55,5% αυτών των ερωτήσεων.

Ερώτηση Rhetorical Purpose
[1] Mangrove forests grow along tropical and subtropical coastlines where saltwater and tides shape the landscape. Their roots trap sediment, stabilize shorelines, and create habitat for fish and invertebrates. These forests are especially valuable where coastal communities face regular storms and erosion.

[2] Mangroves can protect shorelines in several ways, including slowing incoming water, trapping debris, and buffering wave energy. For example, dense root systems can reduce the force of water moving toward land. In the same way a woven barrier spreads out pressure, tangled roots help weaken storm surges before they reach inland areas.

[3] Scientists study mangrove forests because they provide insight into how coastal ecosystems reduce environmental risk. Research on mangroves has improved shoreline models and helped scientists estimate how clearing these forests changes flooding patterns. These studies also help researchers distinguish the protective effects of vegetation from the effects of seawalls and other infrastructure.
Why does the author mention a woven barrier in the passage?
  1. To illustrate how mangrove roots can spread out and weaken wave force
  2. To suggest that coastal engineers copy mangrove roots exactly
  3. To compare storm surges with fishing equipment
  4. To show that woven barriers are better than forests in every case

Ερώτηση Rhetorical Purpose
Οι ερωτήσεις Rhetorical Purpose ρωτούν γιατί ο συγγραφέας έβαλε μια συγκεκριμένη λεπτομέρεια, ένα παράδειγμα ή μια φράση. Η απάντηση δεν λέγεται άμεσα. Πρέπει να συνδέσετε τη λεπτομέρεια με την κύρια ιδέα της παραγράφου. Συχνά θα δείτε διατυπώσεις όπως: Why does the author mention ___?
  • spellcheck Answer
    Answer: A

    (A) The correct answer is To illustrate how mangrove roots can spread out and weaken wave force. In the passage, "In the same way a woven barrier spreads out pressure, tangled roots help weaken storm surges before they reach inland areas." shows why the author or speaker mentions that detail, so "To illustrate how mangrove roots can spread out and weaken wave force" is the best explanation of its function.

    (B) To suggest that coastal engineers copy mangrove roots exactly is incorrect because the author or speaker mentions the detail to support a different purpose, not this one

    (C) To compare storm surges with fishing equipment is incorrect because the author or speaker mentions the detail to support a different purpose, not this one

    (D) To show that woven barriers are better than forests in every case is incorrect because the author or speaker mentions the detail to support a different purpose, not this one

Rhetorical Purpose

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Τύπος ερώτησης TOEFL Reading 4: Vocabulary

Μια ερώτηση Vocabulary ζητά τη σημασία μιας τονισμένης λέξης όπως τη χρησιμοποιεί το κείμενο. Δεν χρειάζεται να ξέρετε ήδη τη λέξη, γιατί οι λέξεις γύρω της δίνουν σχεδόν πάντα ένα στοιχείο, για παράδειγμα μια επανάληψη με άλλα λόγια μετά το "or", μια αντίθεση μετά το "but" ή ένα παράδειγμα στην επόμενη πρόταση. Οι μαθητές μας απαντούν σωστά στο 62,4% των ερωτήσεων Vocabulary.

Ερώτηση Vocabulary
[1] Some reef fish form partnerships in which small cleaner fish remove parasites and dead tissue from larger client fish. These interactions can improve the health of the clients and provide food for the cleaners. It was once assumed that such exchanges were merely routine, but researchers now recognize that they involve signals, repeated interactions, and choice.

[2] One well-known example involves cleaner wrasses and many different client species. When clients approach a cleaning station, they may slow down, hold still, or open their mouths and gill covers. These behaviors make it easier for cleaners to work efficiently while reducing the risk of injury.

[3] Researchers have also found that repeated encounters matter. Some clients return to cleaners that have treated them well in the past, while cleaners may adjust their behavior depending on who is waiting nearby. This pattern suggests that cooperation can be shaped by reputation and ongoing interaction. These findings continue to influence how scientists understand mutualism on coral reefs.
The word “routine” in the passage is closest in meaning to
  1. automatic
  2. distant
  3. rare
  4. costly

Ερώτηση Vocabulary
Σε μια ερώτηση Vocabulary, επιλέγετε την απάντηση που έχει την πιο κοντινή σημασία με μια τονισμένη λέξη ή φράση, όπως χρησιμοποιείται στο κείμενο. Εστιάστε στο νόημα της πρότασης και στο κοντινό περιβάλλον, όχι μόνο στον ορισμό του λεξικού.
  • spellcheck Answers
    Answer: A

    (A) The correct answer is automatic. In the passage, "Some reef fish form partnerships in which small cleaner fish remove parasites and dead tissue from larger client fish." shows that the word is closest in meaning to "automatic".

    (B) distant is incorrect because that meaning does not fit the way the word is used in the sentence

    (C) rare is incorrect because that meaning does not fit the way the word is used in the sentence

    (D) costly is incorrect because that meaning does not fit the way the word is used in the sentence

Vocabulary

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Τύπος ερώτησης TOEFL Reading 5: Negative Factual Information

Μια ερώτηση Negative Factual Information ρωτά ποια επιλογή ΔΕΝ στηρίζει το κείμενο. Την αναγνωρίζετε από το NOT ή το EXCEPT με κεφαλαία. Τρεις επιλογές υπάρχουν στο κείμενο, συχνά με άλλα λόγια, και μία δεν υπάρχει. Οι μαθητές μας απαντούν σωστά στο 57,7% αυτών των ερωτήσεων, οπότε είναι ο τέταρτος πιο δύσκολος τύπος.

Ερώτηση Negative Factual Information
[1] Some reef fish form partnerships in which small cleaner fish remove parasites and dead tissue from larger client fish. These interactions can improve the health of the clients and provide food for the cleaners. It was once assumed that such exchanges were merely routine, but researchers now recognize that they involve signals, repeated interactions, and choice.

[2] One well-known example involves cleaner wrasses and many different client species. When clients approach a cleaning station, they may slow down, hold still, or open their mouths and gill covers. These behaviors make it easier for cleaners to work efficiently while reducing the risk of injury.

[3] Researchers have also found that repeated encounters matter. Some clients return to cleaners that have treated them well in the past, while cleaners may adjust their behavior depending on who is waiting nearby. This pattern suggests that cooperation can be shaped by reputation and ongoing interaction. These findings continue to influence how scientists understand mutualism on coral reefs.
All of the following are mentioned about cleaner fish partnerships EXCEPT:
  1. Client fish may hold still during cleaning.
  2. Cleaner fish can feed on parasites and dead tissue.
  3. Partnerships can involve repeated encounters.
  4. Client fish always remain with one cleaner for life.

Ερώτηση Negative Factual Information
Αναγνωρίζετε μια ερώτηση Negative Factual Information από τη λέξη NOT ή EXCEPT. Η σωστή απάντηση είναι η επιλογή που δεν στηρίζεται από την παράγραφο.
  • spellcheck Answer
    Answer: D

    (D) The correct answer is Client fish always remain with one cleaner for life. This question asks for the choice that is NOT mentioned or supported. The passage gives support for Client fish may hold still during cleaning.; Cleaner fish can feed on parasites and dead tissue.; Partnerships can involve repeated encounters., but it does not support "Client fish always remain with one cleaner for life."

    (A) Client fish may hold still during cleaning. is incorrect because the passage does mention this point; Some reef fish form partnerships in which small cleaner fish remove parasites and dead tissue from larger client fish.

    (B) Cleaner fish can feed on parasites and dead tissue. is incorrect because the passage does mention this point; Some reef fish form partnerships in which small cleaner fish remove parasites and dead tissue from larger client fish.

    (C) Partnerships can involve repeated encounters. is incorrect because the passage does mention this point; Some reef fish form partnerships in which small cleaner fish remove parasites and dead tissue from larger client fish.

Negative Factual Information

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Τύπος ερώτησης TOEFL Reading 6: Inference

Μια ερώτηση Inference ρωτά τι υπονοεί το κείμενο χωρίς να το λέει ακριβώς. Η σωστή απάντηση μένει ένα μικρό βήμα μακριά από τα στοιχεία του κειμένου. Μια επιλογή με "all", "only" ή "never" συνήθως πηγαίνει ένα βήμα πιο μακριά απ' όσο πρέπει. Οι μαθητές μας απαντούν σωστά στο 60,2% των ερωτήσεων Inference.

Ερώτηση Inference
[1] Some reef fish form partnerships in which small cleaner fish remove parasites and dead tissue from larger client fish. These interactions can improve the health of the clients and provide food for the cleaners. It was once assumed that such exchanges were merely routine, but researchers now recognize that they involve signals, repeated interactions, and choice.

[2] One well-known example involves cleaner wrasses and many different client species. When clients approach a cleaning station, they may slow down, hold still, or open their mouths and gill covers. These behaviors make it easier for cleaners to work efficiently while reducing the risk of injury.

[3] Researchers have also found that repeated encounters matter. Some clients return to cleaners that have treated them well in the past, while cleaners may adjust their behavior depending on who is waiting nearby. This pattern suggests that cooperation can be shaped by reputation and ongoing interaction. These findings continue to influence how scientists understand mutualism on coral reefs.
Which of the following is suggested about repeated interactions between cleaner fish and clients?
  1. They can influence how cooperative the interaction becomes.
  2. They prevent cleaner fish from feeding efficiently.
  3. They matter only when many reefs are damaged.
  4. They eliminate the role of signals at cleaning stations.

Ερώτηση Inference
Σε μια ερώτηση Inference, η σωστή απάντηση δεν λέγεται άμεσα. Πρέπει να βγάλετε ένα λογικό συμπέρασμα από τις πληροφορίες της παραγράφου.
  • spellcheck Answer
    Answer: A

    (A) The correct answer is They can influence how cooperative the interaction becomes. In the passage, "It was once assumed that such exchanges were merely routine , but researchers now recognize that they involve signals, repeated interactions, and choice." supports the inference that "They can influence how cooperative the interaction becomes."

    (B) They prevent cleaner fish from feeding efficiently. is incorrect because it goes beyond what the passage suggests; the support points instead to It was once assumed that such exchanges were merely routine , but researchers now recognize that they involve signals, repeated interactions, and choice.

    (C) They matter only when many reefs are damaged. is incorrect because it goes beyond what the passage suggests; the support points instead to It was once assumed that such exchanges were merely routine , but researchers now recognize that they involve signals, repeated interactions, and choice.

    (D) They eliminate the role of signals at cleaning stations. is incorrect because it goes beyond what the passage suggests; the support points instead to It was once assumed that such exchanges were merely routine , but researchers now recognize that they involve signals, repeated interactions, and choice.

Inference

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Τύπος ερώτησης TOEFL Reading 7: Organization

Μια ερώτηση Organization ρωτά πώς συνδέονται δύο μέρη του κειμένου, για παράδειγμα πώς σχετίζεται η παράγραφος 3 με την παράγραφο 2. Χρειάζεστε την κύρια ιδέα κάθε μέρους και τη σύνδεση ανάμεσά τους, όπως ένα πρόβλημα και τη λύση του ή μια άποψη και τις αντιρρήσεις σε αυτήν. Οι μαθητές μας απαντούν σωστά στο 63,3% των ερωτήσεων Organization.

Ερώτηση Organization
[1] Mangrove forests grow along tropical and subtropical coastlines where saltwater and tides shape the landscape. Their roots trap sediment, stabilize shorelines, and create habitat for fish and invertebrates. These forests are especially valuable where coastal communities face regular storms and erosion.

[2] Mangroves can protect shorelines in several ways, including slowing incoming water, trapping debris, and buffering wave energy. For example, dense root systems can reduce the force of water moving toward land. In the same way a woven barrier spreads out pressure, tangled roots help weaken storm surges before they reach inland areas.

[3] Scientists study mangrove forests because they provide insight into how coastal ecosystems reduce environmental risk. Research on mangroves has improved shoreline models and helped scientists estimate how clearing these forests changes flooding patterns. These studies also help researchers distinguish the protective effects of vegetation from the effects of seawalls and other infrastructure.
What is the relationship between paragraphs 2 and 3?
  1. Paragraph 3 explains how scientists study the coastal effects described in paragraph 2.
  2. Paragraph 3 contradicts the storm-protection roles introduced in paragraph 2.
  3. Paragraph 3 narrows the discussion to one individual mangrove species mentioned in paragraph 2.
  4. Paragraph 3 argues that the functions in paragraph 2 are too minor to measure.

Ερώτηση Organization
Οι ερωτήσεις Organization σας ζητούν να καταλάβετε πώς είναι οργανωμένες ή συνδεδεμένες οι ιδέες μέσα σε ένα κείμενο. Μπορεί να εστιάζουν στη σειρά των πληροφοριών ή στο πώς σχετίζεται μια παράγραφος με μια άλλη.
  • spellcheck Answer
    Answer: A

    (A) The correct answer is Paragraph 3 explains how scientists study the coastal effects described in paragraph 2. The passage first says, "Mangroves can protect shorelines in several ways, including slowing incoming water, trapping debris, and buffering wave energy. For example, dense root systems can reduce the force of..." and then moves to "Scientists study mangrove forests because they provide insight into how coastal ecosystems reduce environmental risk. Research on mangroves has improved shoreline models and helped...." That matches the relationship described in the correct choice.

    (B) Paragraph 3 contradicts the storm-protection roles introduced in paragraph 2. is incorrect because the paragraphs do not relate to each other in that way

    (C) Paragraph 3 narrows the discussion to one individual mangrove species mentioned in paragraph 2. is incorrect because the paragraphs do not relate to each other in that way

    (D) Paragraph 3 argues that the functions in paragraph 2 are too minor to measure. is incorrect because the paragraphs do not relate to each other in that way

Organization

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Τύπος ερώτησης TOEFL Reading 8: Select in Passage

Μια ερώτηση Select in Passage δεν έχει γράμματα. Κάνετε κλικ σε μία πρόταση μιας σημειωμένης παραγράφου, και αυτή η πρόταση πρέπει να απαντά σε όλη την ερώτηση. Αρκετές προτάσεις αναφέρουν το θέμα, αλλά μόνο μία δίνει ακριβώς την πληροφορία που ζητείται. Οι μαθητές μας απαντούν σωστά στο 46,2% αυτών των ερωτήσεων, το χαμηλότερο ποσοστό από όλους τους δέκα τύπους.

Ερώτηση Select in Passage
[1] The theory of plate tectonics explains most of the Earth’s large-scale geological features, but it cannot fully account for the presence of isolated volcanic regions known as “hotspots.” These hotspots, such as those that created the Hawaiian Islands, appear in the middle of tectonic plates rather than along their boundaries. In 1963, geophysicist J. Tuzo Wilson proposed that plumes of unusually hot mantle material rise from deep within the Earth, partially melt near the surface, and generate chains of volcanoes as the overlying plate slowly drifts above them.

[2] For decades, the plume hypothesis was accepted with little reservation. However, improvements in seismic tomography have recently revealed that some supposed plume roots are shallower than originally assumed, lying only 200–300 kilometers beneath the crust instead of originating near the core-mantle boundary. In addition, geochemical analyses of hotspot lavas sometimes resemble mid-ocean-ridge basalts rather than the chemically distinct melts expected from deep mantle sources. These findings suggest that certain hotspots may instead form when lithospheric plates stretch and thin, allowing ordinary upper-mantle rock to melt more easily. Proponents of this “plate-driven” model point to the Iceland hotspot, where divergence along the Mid-Atlantic Ridge reduces pressure on the underlying mantle and promotes extensive volcanism without invoking a deep plume.

[3] Despite the debate, many geologists suspect that both mechanisms operate, with deep plumes explaining long, linear island chains and plate-driven melting accounting for broader volcanic provinces. Resolving the controversy matters because hotspot tracks are used to reconstruct past plate motions and to infer the thermal structure of the planet’s interior. New experiments that simulate mantle convection under realistic temperature and pressure conditions, combined with satellite measurements of surface deformation, may soon clarify whether the mantle behaves as a sluggish conveyor belt carrying discrete plumes or as a dynamic layer whose melting patterns primarily reflect stresses in the overlying plates.
Click on the sentence in paragraph 2 that describes the mechanism proposed by proponents of the 'plate-driven' model for hotspot formation.

Ερώτηση Select in Passage
Σε μια ερώτηση Select in Passage, κάνετε κλικ στην πρόταση του κειμένου που απαντά στην ερώτηση. Η σωστή πρόταση πρέπει να στηρίζει άμεσα την ιδέα που ζητείται, όχι απλώς να σχετίζεται με το θέμα.
  • spellcheck Answer
    Answer: “These findings suggest that certain hotspots may instead form when lithospheric plates stretch and thin, allowing ordinary upper-mantle rock to melt more easily.”

    (D) The correct answer is 'These findings suggest that certain hotspots may instead form when lithospheric plates stretch and thin, allowing ordinary upper-mantle rock to melt more easily.' This fourth sentence in paragraph 2 explicitly outlines the process suggested by proponents of the 'plate-driven' model, describing how plate stretching and thinning can allow for melting in the upper mantle, leading to hotspot formation.

    (A) The first sentence simply states that the plume hypothesis was accepted, not describing any alternative mechanisms.

    (B) The second sentence discusses new seismic tomography data about plume roots, not the plate-driven model's process.

    (C) The third sentence introduces geochemical findings, but it does not explain the mechanism by which plates could allow hotspot formation.

    (E) The sentence about the Iceland hotspot is incorrect because it gives an example supporting the model, not the general mechanism itself.

Select in Passage

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Τύπος ερώτησης TOEFL Reading 9: Insert a Sentence

Μια ερώτηση Insert a Sentence σας δίνει μία νέα πρόταση και τέσσερα τετράγωνα σε μια παράγραφο. Κάνετε κλικ στο τετράγωνο όπου ταιριάζει η πρόταση. Η πρόταση πρέπει να συνεχίζει την πρόταση πριν από αυτήν και να οδηγεί στην πρόταση μετά από αυτήν. Αυτός είναι ο δεύτερος πιο δύσκολος τύπος για τους μαθητές μας, με 47,6% σωστές απαντήσεις.

Ερώτηση Insert a Sentence
[1] Spider silk is one of the most remarkable biological materials known to scientists. Different kinds of silk can be strong, flexible, lightweight, or sticky, depending on how a spider uses them. These fibers help spiders build webs, wrap prey, protect eggs, and move safely through their surroundings.

[2] One familiar type is dragline silk, which many spiders use as a structural thread in webs and as a safety line while climbing. Other silk strands are designed to capture prey by stretching easily and holding insects in place. Because spiders can produce several kinds of silk, they are able to use different fibers for different tasks.

[3] Researchers are studying spider silk proteins to develop new materials for medicine and engineering. [A] Some scientists hope to create fibers that mimic spider silk's combination of strength and flexibility for use in sutures, protective fabrics, and lightweight equipment. [B] Because natural spider silk is difficult to collect in large quantities, researchers are also testing ways to produce similar proteins in laboratories. [C] The study of spider silk not only improves our understanding of animal materials but also encourages practical innovation in many fields. [D]

There are four locations [▪] in the passage that indicate where the following sentence could be added.

Where would the sentence best fit? Select a location [▪] to add the sentence to the passage.

Those possible uses are especially attractive for devices that require both low weight and high durability.


Ερώτηση Insert a Sentence
Σε μια ερώτηση Insert a Sentence, παίρνετε μία νέα πρόταση και τέσσερα τετράγωνα σε μια παράγραφο. Κάνετε κλικ στο τετράγωνο όπου ταιριάζει η πρόταση. Η πρόταση πρέπει να συνεχίζει την πρόταση πριν από αυτήν και να οδηγεί στην πρόταση μετά από αυτήν.
  • spellcheck Answer
    Answer: B [B]

    (B) The correct answer is Position B. The inserted sentence is "Those possible uses are especially attractive for devices that require both low weight and high durability." and it fits best in paragraph 3 because it fits the transition from "Researchers are studying spider silk proteins to develop new materials for medicine and engineering." to "Some scientists hope to create fibers that mimic spider silk's combination of strength and flexibility for use in sutures, protective fabrics, and lightweight equipment."

    (A) Position A is incorrect because that position is too early, before the paragraph introduces the idea this sentence depends on

    (C) Position C is incorrect because that position is too late, after the paragraph has already moved on to a later point

    (D) Position D is incorrect because that position is too late, after the paragraph has already moved on to a later point

Insert a Sentence

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Τύπος ερώτησης TOEFL Reading 10: Complete the Words

Το Complete the Words είναι και τύπος εργασίας και τύπος ερώτησης: ένα σύντομο ακαδημαϊκό κείμενο με δέκα λέξεις που τους λείπει το δεύτερο μισό των γραμμάτων τους. Γράφετε τα γράμματα που λείπουν. Οι μαθητές μας απαντούν σωστά στο 65,1% των κενών και ξοδεύουν περίπου 12 δευτερόλεπτα σε καθένα. Ο οδηγός μας για το TOEFL complete the words εξηγεί τα οκτώ είδη λέξεων που λείπουν και πόσο χρόνο να ξοδεύετε.

Complete the Words
Planetary geology studies the surfaces, interiors, and histories of worlds beyond Earth. Resea compare craters, volc, and tectonic feat to in how pla and moons cha over imm spans of time. Diff worlds pres evidence of he, impacts, and lost atmospheres. Spacecraft images allow geologists to test ideas without direct fieldwork. Field studies and comparative records continue to refine what scholars know about this subject. Comparing cases from different regions helps researchers explain why similar processes can produce different outcomes. Planetary geology shows how familiar processes can appear differently on other worlds. Additional evidence from surveys, experiments, and archives can clarify how the process changes over time.

  • spellcheck Answer
    1. rchers (Researchers)
    2. anoes (volcanoes)
    3. ures (features)
    4. fer (infer)
    5. nets (planets)
    6. nged (changed)
    7. ense (immense)
    8. erent (Different)
    9. erve (preserve)
    10. at (heat)

Complete the Words

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Πώς να εξασκηθείτε στους τύπους ερωτήσεων TOEFL Reading

Εξασκηθείτε σε κάθε τύπο ερώτησης με πραγματικά κείμενα, και μετά ελέγξτε κάθε ερώτηση που απαντήσατε λάθος και διαβάστε την εξήγηση. Οι ερωτήσεις εξάσκησής μας δείχνουν τον τύπο ερώτησης σε κάθε ερώτημα, και η αναφορά βαθμολογίας κάθε δοκιμαστικού τεστ δείχνει το αποτέλεσμά σας ανά τύπο, ώστε να βλέπετε σε ποιον από τους δέκα τύπους να δουλέψετε μετά.

Δημιουργήστε δωρεάν λογαριασμό για να ανοίξετε ένα μάθημα για καθέναν από τους δέκα τύπους ερωτήσεων, με στρατηγική και ερωτήσεις εξάσκησης για τον καθένα.