英语专业 高级英语学生用书

D. impacted

10. He _______ several important changes.

A. emerged

B. submerged

C. restrained

D. effected

11. Scientists _______ that there is no animal life on the Mars.

A. present

B. assume

C. assess

D. require

12. This is a fact even our enemies have to _______.

A. hold

B. leapfrog

C. complicate

D. acknowledge

13. He tried to _______ his anger.

A. disarm

B. restrain

C. pose

D. include

14. I have got _______ in the quarrel between Tom and Jack.

A. involved

B. inspired

C. concluded

D. accomplished

15. An airliner _______ west of the city last night.

A. arose

B. landed

C. crashed

D. dropped

16. I saw a clearly __ shape outside the window in a flash of light.

A. developed

B. accelerated