［答案与译文］D.失败乃成功之母。所以她的失败没使她灰心丧气，反而使她加倍努力。
［辨析及搭配］A.discharge v.允许……离开；排（放）出。B.discount vt.打断；漠视；认为……不值得考虑。C.discard vt.＆vi.抛弃；放弃。D.discouragev.使泄气；沮丧；阻拦。
8.The chemistry teacher dipped his finger into the mixture and took it out of it.
A.indirectly B.directly C.dimly D.diplomatically
［答案与译文］B.化学老师把一个指头伸进混合液里，立刻又拿了出来。
［辨析及搭配］A.indirectly 间接地；拐弯抹角地。 B.directly 立即；很快；直接地。C.dimly 微暗地；朦胧地。D.diplomatically 外交上；外交地。
9.Any in a watch is very delicate.
A.device B.devise C.deviancy D.deviation
［答案与译文］A.钟表中的任何装置都非常精巧。
［辨析及搭配］首先排除动词B.devise v.设计；发明。A.device n.装置；设备；方法；计划。C.de- viancy n.反常；背离。D.deviation n.背离；越轨；偏差。
10.His disasters were to what he had done wrong.
A.despite B.in spite of C.down D.due
［答案与译文］D.他遭灾难的原因是曾经干过坏事。
［辨析及搭配］根据句中的to，可否定A和B。 A.despite不管；尽管；不论。直接带短语，例句：Despite the pouring rain，he went to his post as usual.尽管大雨倾盆，他照常去上班。B.in spite of与A同义。In spite of the pouring rain，he went to his post as usual.C. down往下；沿着。D.due to因为；由于……而起。例句： Due to his illness he was lying in bed.因为生病，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
［答案与译文］D.谁也不能剥夺公民的合法权利。
［辨析及搭配］A.be done with了结了；完成了。 B.draw on戴（穿）上；吸收；引诱。例句：The jailer drew the prisoner on to tell his story.看守诱导囚犯把事情说出来。C.derive from得来（自）；由……获得。例句： Anyone can derive a lot of pleasure from making friends.任何人都能从结交朋友中获得许多乐趣。D.deprive of剥夺；夺去。
12.The gifted engineer a model of the atomic generator.
A.dragged B.drafted C.drifted D.dratted
［答案与译文］B.那位天才工程师画了一幅原子发电机草图。
［辨析及搭配］A.drag拖；拉。B.draft起草；草拟。draft a plan of study草拟一份研究计划C.drift漂流；飘荡。D.drat（＝damn）例句：Drat it！I forgot my key！见鬼（该死）！我忘了钥匙！
13.Mr.Black was in the ，standing there dumbfounded，not knowing what to do.
A.dark B.dusk C.dawn D.dam
［答案与译文］A.布莱克先生不知就里，站在那里目瞪口呆，不知怎么办好。
［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，父母亲常常不让孩子们知道他们的礼物。B.dusk薄暮；黄昏：It is hard to see clearly at dusk.黄昏时难看清楚东西。C.dawn黎明；破晓。例句：They take their boat out every day at dawn.他们每天黎明时起航出海。D.dam大坝。
14.An unexpected guest on us last night.
A.decreased B.declined C.descended D.dropped
［答案与译文］C.昨天晚上，一位不速之客突然来到我们家。
［辨析及搭配］A.decrease减少；降低。例句：The number of illiberal people is decreasing gradually.缺乏文化素养的人数在渐渐减少。B.decline下倾；下降；下垂。C.descend下来；下降；突然来访（与upon，on连用）。例句：Amy descended upon us at Christmas.艾米在圣诞节时突然来访。D.drop落下；下降；滴，drop by/in /over /round顺便来访。
