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【单选题】
三相异步电动机当转差率为1时,此电动机为( )状态。A.
制动状态
B.
同步运行状态
C.
停电状态
D.
状态
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举一反三
【单选题】He thought that he had interpreted it clearly. ______, no one caught what he had said.
A.
Critically
B.
Conversely
C.
Evidently
D.
Eventually
【单选题】He said that he ____________to the United States.
A.
had never been
B.
had never gone
C.
was never
D.
has never been
【单选题】He said that he had ______ to do with the crime, so he should not be imprisoned.
A.
nothing
B.
anything
C.
something
D.
everything
【简答题】25×1.25×32．0.25×1.25×32．
【简答题】______%=0.25=______÷16=______：32．
【简答题】53×______=254.4 44.8÷______=32．
【简答题】125=1()=______：32．0.125= 1 () =______：32．
【简答题】执行指令序列 MOV AL,81H ADD AL,AL ADC AL,AL后,正确的结果是A. AL=205H B. AL=204H C. AL=04H D. AL=05H
【单选题】He said he would arrive before seven, and _____. [ ]
A.
he did
B.
did he
C.
he had
D.
had he
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