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2单元第7题短语 A. prepared for B.is bound to C. stand up for D. in favor of E.speculate about F.in the company of G.in the form of H.are liable to I. invested... with J. in succession The young man is very happy and proud to be ____ the old professor because he always feels great when talking with him.
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皮皮学刷刷变学霸
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【单选题】关于反转录酶及反转录PCR的叙述，错误的是( )。
A.
作用物为四种dNTP
B.
催化以RNA为模板进行DNA合成
C.
反转录引物与RNA的3’末端互补
D.
合成方向3’→5’
E.
可形成RN}
【简答题】凸轮机构从动件的运动规律取决于 ___________ ,而凸轮机构主动件常作 ___________ 运动。
【简答题】凸轮从动件的运动规律取决于( ),而凸轮机构主动件常作( )运动。
【简答题】Her future books on Harry Potter are getting ______.
【简答题】阅读理解。 British author JK Rowling was at the release of her latest Harry Potter book called 'Harry Potter and the Deathly Hallows' at the Natural History Museum in London, Friday July 20, 2007. J.K. Row...
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