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【单选题】

Don't ______ the window. Listen to me carefully.

A.
look out
B.
look out of
C.
look out at
D.
look for
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参考答案:
参考解析:
.
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举一反三

【单选题】The girl ______ the bicycle is Jane.

A.
riding on
B.
driving in
C.
riding in
D.
driving on

【单选题】According to the passage, aggressive driving is characterized by______.

A.
driving at full speed
B.
yelling at another driver
C.
talking while driving
D.
sounding the horn when passing

【单选题】将E-R模型转换为关系模型时,对于1对多的联系,需要( )。

A.
将一方的主码添加到多方中
B.
将多方的主码添加到一方中
C.
联系本身转换为一个关系模式
D.
以上都不对