34．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！
35．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。
36．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。
责任编辑：虫虫
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