Đọc đoạn văn sau và điền A, B, C hoặc D (tương ứng với đáp án đúng) vào mỗi chỗ trống sau:
The number of animal species that have died out since 1600 (1) sharply. Experts have looked for historical evidence of (2) . As (3) as they can tell, between the beginning of modern historical records and the beginning of the 17th century, fewer (4) twenty species of animals died out. (5) , in just one century, from 1600 to 1699 seventeen more animal species are known to have (6) . The next century saw the extinction (7) thirty - six species. And the rate (8) increasing. In the 1800, eighty - one more species died out. In (9) first three quarters of the twentieth century, eighty - three species disappeared, (10) the education of people about endangered species. The rate of extinction has not been slowed by public information.
1.A. increase B. increased C. has increased D. will increase
2.A. beings B. extinction C. affect D. influence
3.A. far B. many C. long D. soon
4.A. as B. more C. less D. than
5.A. If B. Yet C. So D. However
6.A. recovered B. supplied C. changed D. disappeared
7.A. of B. in C. for D. from
8.A. kept B. had C. made D. let
9.A. a B. an C. the D. Ø
10.A. because of B. due to C. despite D. unless
