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【单选题】
原核生物多肽合成的延长阶段需要将氨基酰-tRNA带入核糖体A位,与mRNA密码识别,参与这一作用的延长因子成分应为()
A.
EFTu-GTP
B.
EFTs
C.
EFTu-GDP
D.
EFTs-GTP
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参考答案:
举一反三
【单选题】U4news report 3-1
A.
B.
C.
D.
D
【单选题】B1U4News Report 2
A.
B.
C.
D.
D
【单选题】B1U4News report 1:Q2
A.
B.
C.
D.
D
【单选题】He _____ the bag, but saw nothing in it. [     ]
A.
looked through
B.
looked into
C.
looked out of
D.
looked up
【单选题】He stopped ______ a look, but saw nothing.
A.
having
B.
to have
C.
have
D.
had
【单选题】以下不属于面试的优点是( )
A.
适应性强
B.
容易数量化
C.
可进行双向沟通
D.
有人情味
【单选题】下列不属于面试的优点的是:
A.
适应性强
B.
可以进行双向沟通
C.
有人情味
D.
易数量化
【单选题】he stopped _____ a look, but saw nothing.
A.
having
B.
to have
C.
have
D.
had
【单选题】B1U4News report 1:Q1
A.
B.
C.
D.
D
【单选题】U4news report 2-1
A.
B.
C.
D.
D
参考解析:
知识点:
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