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【简答题】
限制性内切酶特异性识别和切割DNA分子中的回文结构形成的末端有( )和( )。
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皮皮学刷刷变学霸
举一反三
【单选题】Jade is the highest award in Chinese culture and medals are the most important prize in Olympics，so medals with jade is the perfect ______ to present the Olympics in Beijing.
A.
combination
B.
cooperation
C.
connection
D.
composition
【简答题】幾ら(いくら) 的中文意思是? 请读出单词并录音上传。
【单选题】______ is to be awarded the highest award at this evening’s meeting.
A.
Both the director and the writer
B.
Both of the director and the writer
C.
The director and the writer
D.
The director and writer
【简答题】根据驱动钻头旋转的动力来源来分,钻机可分为转盘驱动钻机、 和 。
【单选题】Jade is the highest award in Chinese culture and medals are the most important prize in Olympics, so medals with jade is the perfect _________ to present the Olympics in Beijing. [ ]
A.
connection
B.
cooperation
C.
combination
D.
composition
【单选题】1935年出版的《运输经济学》,标志着运输经济学从福利经济学等学科中分离出来,正式成为一门独立的应用经济学。该书的作者是
A.
李斯特
B.
马克思
C.
洛克林
D.
库普斯曼
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