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【单选题】
08F钢中的平均含碳量为( )A.
0.08%
B.
0.8%
C.
8%
D.
0.008%
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举一反三
【单选题】She ______ the words, not knowing what to say, how to put into plain speech her decision to finish their love.
A.
passed onto
B.
stumbled over
C.
burst out
D.
dropped down
【单选题】Why does the woman say sorry to David?
A.
She lost one of the magazines.
B.
She doesn't want to return the magazines.
C.
She lost all of them..
【简答题】ZX5系列弧焊电源的外特性是________,通过调节____________________来调节外特性。
【简答题】简述革兰氏染色法的机制并说明此法的重要性。
【单选题】Why does the woman say this:
A.
She is worried that she cannot afford the service.
B.
She is trying to negotiate the cost of the sessions.
C.
She is showing particular interest in the man.
D.
She is expressing surprise about the arrangement.
【单选题】—Where is Lucy? —I can’t say where she is, but she have gone to meet her classmates, for they want to go to Sichuan to work as volunteers.
A.
can
B.
should
C.
must
D.
may
【简答题】(manger) ______ tous nos légumes !
【单选题】When Sara was sick, her voice was almost inaudible . We couldn ’ t clearly hear what she was trying to say.
A.
Very loud
B.
very soft
C.
very shy
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