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我们党要巩固执政地位，要团结带领人民坚持和发展中国特色社会主义，保证()是头等大事。 A经济安全 B政治安全 C文化安全 D国家安全
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举一反三
【单选题】After playing basketball for more than half an hour, the students took _____ rest. [ ]
A.
a few minute's
B.
a few minutes'
C.
a little minute's
【单选题】Last Sunday Sara took with her a few of her friends, _______, to the World Park where they enjoyed themselves very much. [ ]
A.
included me
B.
me included
C.
me containing
D.
contained me
【单选题】If you bombard someone with messages, do you send ( )?
A.
lots of messages
B.
only a few messages
【单选题】The plane ______ a few minutes after it took off and most of the passengers died.
A.
collided
B.
crushed
C.
crashed
D.
smashed
【简答题】It took us only a few hours to ________ the paper off all four walls. A) shear B) sc C) stroke D) chip
【单选题】Mom won’t let Dick go out ________ he promises to be back by 10:00 tonight.
A.
if
B.
when
C.
since
D.
unless
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