［答案與譯文］D.失敗乃成功之母。所以她的失敗沒使她灰心喪氣，反而使她加倍努力。
［辨析及搭配］A.discharge v.允許……離開；排（放）出。B.discount vt.打斷；漠視；認為……不值得考慮。C.discard vt.＆vi.拋棄；放棄。D.discouragev.使泄氣；沮喪；阻攔。
8.The chemistry teacher dipped his finger into the mixture and took it out of it.
A.indirectly B.directly C.dimly D.diplomatically
［答案與譯文］B.化學老師把一個指頭伸進混合液里，立刻又拿了出來。
［辨析及搭配］A.indirectly 間接地；拐彎抹角地。 B.directly 立即；很快；直接地。C.dimly 微暗地；朦朧地。D.diplomatically 外交上；外交地。
9.Any in a watch is very delicate.
A.device B.devise C.deviancy D.deviation
［答案與譯文］A.鐘表中的任何裝置都非常精巧。
［辨析及搭配］首先排除動詞B.devise v.設(shè)計；發(fā)明。A.device n.裝置；設(shè)備；方法；計劃。C.de- viancy n.反常；背離。D.deviation n.背離；越軌；偏差。
10.His disasters were to what he had done wrong.
A.despite B.in spite of C.down D.due
［答案與譯文］D.他遭災(zāi)難的原因是曾經(jīng)干過壞事。
［辨析及搭配］根據(jù)句中的to，可否定A和B。 A.despite不管；盡管；不論。直接帶短語，例句：Despite the pouring rain，he went to his post as usual.盡管大雨傾盆，他照常去上班。B.in spite of與A同義。In spite of the pouring rain，he went to his post as usual.C. down往下；沿著。D.due to因為；由于……而起。例句： Due to his illness he was lying in bed.因為生病，他躺在床上。
11.No one can any citizen’s legal right.
A.be done with B.draw on C.derive from D.deprive of
［答案與譯文］D.誰也不能剝奪公民的合法權(quán)利。
［辨析及搭配］A.be done with了結(jié)了；完成了。 B.draw on戴（穿）上；吸收；引誘。例句：The jailer drew the prisoner on to tell his story.看守誘導囚犯把事情說出來。C.derive from得來（自）；由……獲得。例句： Anyone can derive a lot of pleasure from making friends.任何人都能從結(jié)交朋友中獲得許多樂趣。D.deprive of剝奪；奪去。
12.The gifted engineer a model of the atomic generator.
A.dragged B.drafted C.drifted D.dratted
［答案與譯文］B.那位天才工程師畫了一幅原子發(fā)電機草圖。
［辨析及搭配］A.drag拖；拉。B.draft起草；草擬。draft a plan of study草擬一份研究計劃C.drift漂流；飄蕩。D.drat（＝damn）例句：Drat it！I forgot my key！見鬼（該死）！我忘了鑰匙！
13.Mr.Black was in the ，standing there dumbfounded，not knowing what to do.
A.dark B.dusk C.dawn D.dam
［答案與譯文］A.布萊克先生不知就里，站在那里目瞪口呆，不知怎么辦好。
［辨析及搭配］A.dark黑暗，in the dark在黑暗中；不知情；蒙在鼓里。例句：Parents often keep their children in the dark about their presents on New Year’s Eve.新年前夕，父母親常常不讓孩子們知道他們的禮物。B.dusk薄暮；黃昏：It is hard to see clearly at dusk.黃昏時難看清楚東西。C.dawn黎明；破曉。例句：They take their boat out every day at dawn.他們每天黎明時起航出海。D.dam大壩。
14.An unexpected guest on us last night.
A.decreased B.declined C.descended D.dropped
［答案與譯文］C.昨天晚上，一位不速之客突然來到我們家。
［辨析及搭配］A.decrease減少；降低。例句：The number of illiberal people is decreasing gradually.缺乏文化素養(yǎng)的人數(shù)在漸漸減少。B.decline下傾；下降；下垂。C.descend下來；下降；突然來訪（與upon，on連用）。例句：Amy descended upon us at Christmas.艾米在圣誕節(jié)時突然來訪。D.drop落下；下降；滴，drop by/in /over /round順便來訪。
