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【判断题】
变性的DNA溶液经适当处理后重新形成天然DNA的过程叫复性。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Despite his great efforts,he ______unsuccessfully after all.
A.
ended in
B.
ended with
C.
ended up
D.
turned out
【单选题】The chapter ended with the hero in the precarious position of hanging from a cliff.
A.
unimportant
B.
cautious
C.
ordinary
D.
erous
【单选题】The chapter ended with the hero in the precarious position of hanging from a cliff.
A.
unimportant
B.
ordinary
C.
cautious
D.
erous
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