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【简答题】
力矩是指 ,力矩的单位名称为 , 符号为 。
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举一反三
【简答题】基本卫生保健的特点不包括A、群众性B、艰巨性C、社会性D、长期性E、针对性A.B.C.D.E. E
【单选题】两个平行板带等量异种电荷,要使两极板间的电压加倍,则采取的方法有 ( )
A.
两极的电荷量加倍，而距离变为原来的 4 倍
B.
两极的电荷量加倍，而距离变为原来的 2 倍
C.
两极的电荷量减半，而距离变为原来的 4 倍
D.
两极的电荷量减半，而距离变为原来的 2 倍
【简答题】完形填空 I like drawing very much.Last night I wrote 21______on the wall with chalk, and then went to play with the others.Then when my father saw 22______ , he became angry and I heard my father shout...
【简答题】The angry father (order) ___________ the boy to keep his toys in order.
【简答题】完形填空 I like drawing very much.Last night I wrote 21______on the wall with chalk, and then went to play with the others.Then when my father saw 22______ , he became angry and I heard my father shout...
【简答题】完形填空 I like drawing very much.Last night I wrote 21______on the wall with chalk, and then went to play with the others.Then when my father saw 22______ , he became angry and I heard my father shout...
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