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【判断题】
异步电动机恒压恒频正弦波供电时,其机械特性在s很小时,是一段直线。A.
正确
B.
错误
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【单选题】That may be the worst drought the country experienced within living ____
A.
mind
B.
knowledge
C.
memory
D.
scope
【简答题】The drought there is the worst in a ________(世纪,百年) .
【单选题】听力原文：W: This is the worst drought ever since the sixties. M: Yes. But it's just the opposite in the south. They have the severest flood for the past 30 years. Q: What do you know about the weather in ...
A.
There is a flood every two years.
B.
The flood is the worst ever since fifties.
C.
There is a serious drought.
D.
There is a severe flood.
【简答题】Noisy as it was, he went on reading __________________ (就像什么事情都没有发生一样).
【简答题】The United States is suffering its worst drought (干旱) in almost sixty years. The National Climatic Data Center also says high temperatures in June added to the warmest twelve-month period on record. R...
【单选题】我们讲发展是党的执政兴国的第一要务,这里的发展绝不只是指经济增长,而是要坚持以( )为中心,在经济发展的基础上实现社会全面发展。
A.
人民幸福
B.
经济建设
C.
国家统一
D.
平衡发展
【简答题】The drought is worst in the central African _______ (国家).
【简答题】Bedroom carpets the dirtiest A shocking research has revealed that the average bedroom floor is ten times dirtier than a toilet seat. The data, compiled by sofa and carpet specialist ScS, found carpet...
【简答题】colony forming units称为 (中文名称),是指 培养后,由 或 微生物繁殖而形成的 ,简称为 。通常用 表示。
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