46-50. Read the following passage and choose the most appropriate answer for the questions below. (1
【題組】50.To sabotage an initiative, as in the last paragraph, is to_it.(A)facilitate(B)endorse(C)under
1. After having replaced the _____ part, the machine functioned well again.(A) insufficient (B) devi
2. Chinese companies have invested heavily in Africa in recent years, and trade among Asian andAfric
3. The robber has been caught, so has his _____.(A) accomplice (B) nobility (C) posterity(D) infrast
4. Medical science has proved that smoking is _____ to health.(A) pernicious (B) exhilarating (C) es
5. After boiling the broccoli, _____ it in ice water to stop the cooking process.(A) paint (B) revis
6. _____ are rocky, airless worlds that orbit our sun, but are too small to be called planets.(A) Su
Part II: Choose the word or phrase that is closest in meaning to the underlined word orphrase in eac
9. On its last mission to the moon in 1972, the Apollo spacecraft wound up with a record of seventyf
10. She now seems to be trying to disavow her earlier statements.(A) acknowledge (B) confirm (C) dis
11. David’s entrenched incapacity for decision-making does not make him a good boss.(A) incompetence
12. Nuclear energy, which one promised to be the high-tech star of the postwar world, has, in a cert
13. For more than two centuries, economic opportunity and the prospect of upward mobility haveformed
14. I decided not to be miserly for once and bought first-class tickets to be sure of a seat.(A) gen
15. Try to bridle your criticism next time so that it is helpful and not hurtful.(A) stultify (B) re
II. Grammar and Structure: Choose the best answer to complete each sentence.16. _____, can we be sur
17. Having seen the movie, _____.(A) my headache came badly (B) my headache felt bad (C) I had a bad