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 參考譯文：颶風是具有殺傷力的風，其破壞性的力量在于其能夠造成的物質(zhì)損壞。 A) cumulative 積累的 B) destructive 毀滅性的 C) turbulent 兇猛的 D) prevalent 普遍的 17. C 參考譯文：在某些國家，要求學生在教室里安靜、聽話。 A) skeptical 懷疑 B) faithful 忠誠的 C) obedient 服從的 D) subsidiary 附屬的 18. A 參考譯文：盡管經(jīng)濟發(fā)展前景不容樂觀，但制造業(yè)的產(chǎn)量卻稍有增加。 A) gloomy 低迷的 B) miserable 痛苦的 C) shadowy 陰影的 D) obscure 模糊的 19. B 參考譯文：在史前社會，主要是男人紋身或紋面以追求健康或防止疾病。 A) set aside 拔出 B) ward off 防止 C) shrug off 對...滿不在乎 D) give away 泄露 20. C 參考譯文：最近幾年里，國際形勢日益嚴峻。 A) invariably 不變的 B) presumably 大概 C) increasingly 越來越 D) dominantly 支配地