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【判断题】
生产机械要实现上下,左右,前后等两个方向运动时,一般要求电动机能实现正反转控制A.
正确
B.
错误
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】《 贾生》 诗中从正面着笔,丝毫不露贬意的诗句是: , 。
【单选题】There was a time ________ this kind of skirt was very popular.
A.
that
B.
when
C.
with which
D.
about which
【单选题】听力原文：M: What kind of skirt are you looking for? W: Since it's getting warmer this time of the year. I want something light weight. What are these people talking about?
A.
Best materials for making clothes.
B.
Things to wear.
C.
The warm weather.
D.
Something which has light color.
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