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【单选题】
已发现的最大青铜器是（ ）。A.
B.
C.
后母戊鼎
D.
妇好方鼎
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反馈参考答案：
举一反三
【单选题】有关核酸的变性与复性的正确叙述为
A.
热变性后DNA经缓慢冷却后可复性
B.
不同的单链DNA，在合适温度下都可复性
C.
热变性的DNA迅速降温过程也称作退火
D.
热变性DNA迅速冷却后即可相互结合
【单选题】The prisoner ____ to escape but failed.
A.
arrested
B.
attacked
C.
attended
D.
attempted
【单选题】What' s the end of the story?
A.
The prisoner stole the policeman' s notebook and gave it to Mr. Green in return.
B.
The prisoner was caught.
C.
The prisoner robbed Mr. Green.
D.
Mr. Green sent the prisoner to the police station.
【简答题】The prisoner of war wished to be _________ Ten years later, he _________ free and regained his _________.
【简答题】It is thought that the prisoner escaped by climbing over the wall. (think)
【简答题】The prisoner was（）of his civil liberty for three yThe prisoner was ________________ of hiscivil liberty for three years. A) discharged B) derived C) deprived ...
【单选题】For many years the poor woman was a virtual prisoner in her own home.
A.
a real prisoner
B.
a prisoner by law
C.
an unreal prisoner
D.
in effect a prisoner
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