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【单选题】
过渡时期的总路线的实质是()A.
解决生产资料所有制问题
B.
实现对资本主义工商业的改造
C.
实现对资本主义手工业的改造
D.
实现对农业的改造
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举一反三
【单选题】—Did you know ________ at the school gate? —Maybe his friends. [ ]
A.
who is he waiting for
B.
who he was waiting for
C.
who he is waiting for
【单选题】How long has he been waiting for the food?
A.
More than 20 hours
B.
More than 20 days
C.
More than 20 minutes
D.
More than 20 seconds
【简答题】我停车时,他站在街边等。 A. He stood to wait at the side of the street . B. He stood for waiting at the side of the street while I parked my car. C. He stood waiting at the side of the street while I parked my ca...
【简答题】通信系统的主要性能指标通常用（）和（）来衡量，FSK系统指标具体用（）和（）来衡量，而FM系统指标具体用（）和（）来衡量。
【单选题】His heart______with excitement as he was waiting for the reception by the leaders.
A.
flapped
B.
flourished
C.
flushed
D.
fluttered
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