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2011北京卷英语21,23,25,27,28,30,31,35详解

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2011北京卷英语21,23,25,27,28,30,31,35详解
21.Experience of this kind (D) in both the U.S.and Europe well before the Second World War.
A.have conducted B.have been conducted
C.had conducted D.had been conducted
因为主语是Experience,所以谓语动词应该用被动,排除A和C,二战是已过去的事,但经验被指挥是在二战之前,所以应该用过去的过去,选D正确.
23.Tom (C) in the library every night over the last three months.
A.works B.worked C.have been working D.had been working
have/has been doing表示过去持续做某事.
25.It’s important for the figures (A) regularly.
A.to be updated B.to have been updated C.to update D.to have uodated
固定搭配,it's important for sb to do sth,这里的主语是figures,to do这里是不定式,所以用不定式的被动,选A.
27.—That must have been a long trip.
—Yeah,it (C) us a whole week to get there.
A.takes B.has taken C.took D.was taking
问句,对过去表示肯定的推测,答句应该是对过去事实的描述,应用过去时.
28.—Where are the children?The dinner’s going to be complerely ruined.
—I wish they (A) always late.
A.weren’t B.hadn’t been C.wouldn’t be D.wouldn’t have been
虚拟语气,问句是还没发生的事情,答句希望他们不要总是迟到,也是没发生的事,应该用过去式.
30.Maybe if I (A) sicence,and not literature then,I would be able to give you more help.
A.studied B.would study C.had studied D.was studying
虚拟语气,固定搭配 if I +过去式,I would……
31.The shocking news made me realize (A) terrible problems we would face.
A.what B.how C.that D.why
realize后面的宾语从句正确顺序应该是we would face what terrible problems,what 在这里做状语.
35.With new technology,pictures of underwater valleys can be taken (B) color.
A.by B.for C.with D.in
固定短语:take for color 把……着色