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搜索引擎是指根据一定的策略、运用特定的计算机程序从互联网上搜集信息,在对信息进行组织和处理后,为用户提供检索服务,将用户检索相关的信息展示给用户的系统。A.
正确
B.
错误
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举一反三
【单选题】If you _______ that late movie last night, you wouldn't he sleepy.
A.
haven't watched
B.
didn't watched
C.
hadn't watched
D.
wouldn't have watched
【单选题】If you ______ that late movie last night, you wouldn't be so sleepy.
A.
hadn't watched
B.
haven't watched
C.
wouldn't have watched
D.
didn't watch
【单选题】If you ________that late movie last night, you_______ so sleepy now.
A.
hadn’t watched, wouldn’t have been
B.
didn’t watch , wouldn’t be
C.
didn’t watch, wouldn’t have been
D.
hadn’t watched, wouldn’t be
【单选题】If you ______ that late movie last night, you wouldn't be dozy now.
A.
haven't watched
B.
didn't watch
C.
hadn't watched
D.
wouldn't have watched
【单选题】Linda didn't go to the movie last night because she ______ for the final examination until 10 p.m.
A.
should have prepared
B.
had to prepare
C.
must have prepared
D.
would have to prepare
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