5. The word "Besides" in line 14 is closest in meaning to
(A) caused by
(B) whereas
(C) in addition to
(D) in favor of
6. The author mentions saber-toothed cats in line 17 as an example of a carnivore that
(A) became extinct before the Pleistocene epoch
(B) was unusually large for its time
(C) was not able to compete with humans
(D) caused the extinction of several species
7. The word "they" in line 22 refers to
(A) human hunters
(B) game animals
(C) other predators
(D) large mammals
8. According to the passage , what is one difference between the hunting done by some humans and the hunting done by gray wolves?
(A) Some humans hunt more frequently than gray wolves.
(B) Gray wolves hunt in larger groups than some humans.
(C) Some humans can hunt larger animals than gray wolves can hunt.
(D) Some humans prey on animals of all ages, but gray wolves concentrate their efforts on young animals.
9. The word "favored" in line 26 is closest in meaning to
(A) large
(B) escaping
(C) preferred
(D) local
10. According to the passage , the imbalances discussed in paragraph 3 may have resulted from
(A) the effect of climate changes on large game animals
(B) large animals moving into a new environment
(C) humans hunting some species more than others
(D) older animals not being able to compete with younger animals
参考答案:ADABC CCDCC