Section 1 answer keys
1. C
2. B
3. C
4. A,C
5. D
6. B
7. A,C,D
8. A
9. B
10. C
11. C
12. B
13. D
14. A
15. B
16. A
17. C
Section 2
1. C
2. B,D
3. A
4. A
5. C
6. D
7. A,D
8. C
9. B
10. B
11. C
12. A
13. A
14. B
15. Yes, No, Yes, Yes, No
16. D
17. B
第7题, 文章第二段,The name Ambulocetus natans comes from Latin
of course, and means "walking whale that swims". It clearly had four
limbs that couldn't have been used for walking.
呵呵,说话要负责任啊!