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【单选题】
接触器的额定电流应按电动机的额定电流和工作状态来选择。接触器的额定电流电动机的额定电流的()倍。A.
0.5～ 1.0
B.
1.0～ 1.5
C.
1.3～2
D.
1.5～3
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举一反三
【简答题】 Nuli told us what he wanted to be a scientist when he 1. was in his childhood.He worked hard at all his lesson 2. and trie...
【简答题】最适初长度
【单选题】What he told us was more of a(n) ________ than a reality.
A.
illusion
B.
demonstration
C.
illustration
D.
reputation
【单选题】I don’t believe what he told us about meeting Yi Zhongtian . I think he was ______ the story.
A.
making up
B.
taking up
C.
keeping up
D.
bringing up
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