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【单选题】
在常温条件下,对没有明显屈服现象的钢材标准试样进行拉伸试验,由于应力一延伸 率曲线没有明显的屈服现象,通常取塑性延伸率为( )所对应的应力作为规定塑性延伸 强度。A.
0.2%
B.
0.3%
C.
0.4%
D.
0.5%
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举一反三
【单选题】Country risk refers to political risk existing in a country.
A.
Right
B.
Wrong
C.
Doesn't say
【简答题】He hasn't come yet ． What do you consider _______ to him ？ A ． happens B ． has happened C ． happening D ． to happen
【单选题】They consider ________ their duty to be loyal to their country.
A.
this
B.
as
C.
it
D.
that
【单选题】— I don't know where to go for vacation? — Why visiting Paris? [ ]
A.
don't consider
B.
not consider
C.
don't think
D.
not think
【简答题】Most people consider this library to be the oldest in the country.
【单选题】He hasn't come yet. What do you consider _______ to him ？
A.
happens
B.
hashappened
C.
happening
D.
to happen
【单选题】Many people consider her______the best singer that this country has ever produced.
A.
being
B.
to be
C.
having been
D.
is
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