IELTSవినికిడిఅభ్యాసం27

The correct answer is women. The lecturer says the early wristwatch was viewed as jewellery suitable for women rather than as a serious instrument for men.

Associated Text:
The early wristwatch, by contrast, was regarded as something of a curiosity, a piece of jewellery suitable for women, perhaps, but not yet a serious instrument for men

The correct answer is naval. The first practical wristwatches were made for naval officers because pocket watches were difficult to use at sea when both hands were needed.

Associated Text:
So a number of small workshops, particularly in Switzerland and Germany, started producing what we would now call wristwatches specifically for naval use.

The correct answer is synthetic. The lecturer explains that tiny synthetic ruby crystals used as bearings in the gear train are called jewels in the watch trade.

Associated Text:
One of the key engineering advances was the use of synthetic stones, usually small ruby crystals, embedded as bearings inside the gear train. These tiny inserts are called jewels in the trade, and any wristwatch with seventeen or twenty one jewels was considered a quality piece

The correct answer is chronometer. A timepiece accurate enough for navigation and meeting the maritime standard is called a chronometer.

Associated Text:
A timepiece that meets that maritime standard is called a chronometer.

The correct answer is military. The First World War supply contracts turned wristwatches into standard military equipment for soldiers in the trenches.

Associated Text:
the supply contracts that ran from 1914 to 1918 turned the wristwatch into standard military equipment.

The correct answer is battery. The lecturer says the Astron used a vibrating quartz crystal driven by a small battery.

Associated Text:
The mechanism used a tiny vibrating quartz crystal driven by a small battery, and it was orders of magnitude more accurate than even the best mechanical movement.

The correct answer is Japan. The lecturer says mass-market watch production moved away from Switzerland and became centred in Japan.

Associated Text:
By the late 1970s the centre of mass market watch production had moved away from Switzerland and was now squarely in Japan, with Seiko, Citizen and Casio between them dominating world sales.

The correct answer is solar. In the 1980s, solar-powered movements became widespread and used light to avoid battery changes.

Associated Text:
As for the 1980s, solar powered movements spread.

The correct answer is third-party. The lecturer says the defining feature of modern smartwatches is their ability to run third-party apps.

Associated Text:
As for the smartwatch age, the defining feature of a modern smartwatch is not really the timekeeping at all, it is that the device runs third party apps, very much like a phone strapped to the wrist.

The correct answer is health. The sensor information from modern smartwatches is described under the umbrella term health data, and marketing now focuses on health monitoring.

Associated Text:
All of that comes under the umbrella term of health data, and the marketing of modern smartwatches has shifted heavily towards health monitoring rather than timekeeping itself.