A. level
B
Rate: tỉ lệ
Higher rate of death: tỉ lệ chết cao hơn
The (26) ________ group will appreciate the recent study, as a hunter is more likely to require such speed.
It could run 100 metres in a little over six seconds, which would beat modern Olympic (28) ________ more than a third of the track behind.
The author argues that there is more diversity of life in the sea than in the rain forests because
________ (20) most folks feel that the advantages of owing a car outweigh the disadvantages.