16. Hurricanes are killer winds, and their ________ power lies in the physical damage they can do.

A) cumulative

B) destructive

C) turbulent

D) prevalent

17. In some countries, students are expected to be quiet and ________ in the classroom.

A) skeptical

B) faithful

C) obedient

D) subsidiary

18. In spite of the ______economic forecasts, manufacturing output has risen slightly.

A) gloomy

B) miserable

C) shadowy

D) obscure

19. Body paint or face paint is used mostly by men in preliterate societies in order to attract good health or to _______ disease.

A) set aside

B) ward off

C) shrug off

D) give away

20. The international situation has been growing _____difficult for the last few years.

A) invariably

B) presumably

C) increasingly

D) dominantly

16. B 参考译文：飓风是具有杀伤力的风，其破坏性的力量在于其能够造成的物质损坏。

A) cumulative 积累的

B) destructive 毁灭性的

C) turbulent 凶猛的

D) prevalent 普遍的

17. C 参考译文：在某些国家，要求学生在教室里安静、听话。

A) skeptical 怀疑

B) faithful 忠诚的

C) obedient 服从的

D) subsidiary 附属的

18. A 参考译文：尽管经济发展前景不容乐观，但制造业的产量却稍有增加。

A) gloomy 低迷的

B) miserable 痛苦的

C) shadowy 阴影的

D) obscure 模糊的

19. B 参考译文：在史前社会，主要是男人纹身或纹面以追求健康或防止疾病。

A) set aside 拔出

B) ward off 防止

C) shrug off 对...满不在乎

D) give away 泄露

20. C 参考译文：最近几年里，国际形势日益严峻。

A) invariably 不变的

B) presumably 大概

C) increasingly 越来越

D) dominantly 支配地