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【单选题】
Scientists are confident that they can make lasers which can ____ missiles.
A.
knock down
B.
knock out
C.
knock into
D.
knock off
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【单选题】升国旗时应肃立站好,如旁边人与你交谈,你应该( )
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【单选题】______ a declining birth rate, there will be an over-supply of 27, 000 primary school places by 2010, ______ leaving 35 schools idle.
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【判断题】Plac和CMV都是基因诱导表达中常用的原核启动子。()
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【单选题】The major services provided by Doppelganger include all the following EXCEPT
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【单选题】升国旗时应肃立站好,如旁边人与你交谈,你应该( )
A.
与他交谈
B.
及时制止
C.
不予理睬
D.
以上均不正确
查看完整题目与答案
【单选题】In which part of the world did this research take plac? ( )
A.
Along the west coast of America.
B.
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Along the east coast of Africa.
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【单选题】升国旗时应肃立站好,如旁边人与你交谈,你应该( )
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【单选题】0三位四通电液换向间采用外供控制油、外部泄油,阀上应接有_根油管。
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【单选题】______ a declining birth rate, there will be an over-supply of 27, 000 primary school places by 2010, ______ leaving 35 schools idle.
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B.
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【判断题】Plac和CMV都是基因诱导表达中常用的原核启动子。()
A.
正确
B.
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查看完整题目与答案
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A.
product-placement.
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social networking.
C.
instant messaging.
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music.
查看完整题目与答案