Submitted by admin on Tue, 05/05/2015 - 19:32
definition:
Supply or make up
sentence:
Children account for a large proportion of casualties because they represent 39 per cent of the overall population in the eight hardest-hit countries.
As with most of the other polar animal species, beluga whales store most of their body fat as a thick layer of blubber just beneath their skin. This blubber accounts for up to 40 percent of the whale’s total body weight. It protects the animal from extreme cold, and doubles up as an energy reserve, which they will utilize in times of emergency.
difficulty:
easy
toefl frequency:
3
toefl classification: