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【单选题】
听力原文：M: What are those shirts made of? W: They are made of cotton, but sometimes made of wool or nylon. M: Are those made of cotton more expensive? W: Yes, that's right. According to the dialogue, what kind of shirt is more expensive?A.
Those made of wool.
B.
Those made of nylon.
C.
Those made of cotton.
D.
Those made of silk.
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【单选题】I don’t have to do it and _________ do you. We’re both too busy.
A.
more than
B.
no more than
C.
once more
D.
no more
【简答题】We can not pay too high a price for our national security.
【单选题】we cannot pay too high a price for our national security.
A.
我们不能为了国家的安全而花太大的代价。
B.
为了国家的安全再打的代价也值得。
【单选题】We cannot pay too high a price for our national security.
A.
我们不能为了国家的安全而花太大的代价。
B.
为了国家的安全花再大的代价也值得。
【单选题】We should start (at once) and not waste (too) much time (to argue) (about the) procedure.
A.
at once
B.
too
C.
to argue
D.
about the
【简答题】以工件的外圆柱面作定位基准时,定位元件可以用圆柱孔、____、V形块和自动定心等方式定位。
【单选题】Susan ______ me a letter since last summer. It will be a surprise to receive her letter. [ ]
A.
hasn't sent
B.
hadn't sent
C.
has sent
D.
had sent
【简答题】According to Wang Zhile, if the national security should not be too frequently mentioned, because it is not ______.
【简答题】以工件的外圆柱表面作定位基准时，定位元件可以用圆柱孔、()、V型块和自动定心等方式定位。
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