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【判断题】
分段划分图中表示分段接缝所用图线是斜栅线。A.
正确
B.
错误
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举一反三
【简答题】用括号内所给单词的适当形式填空。 1. It's interesting _____ (help) m y mother do the housework. 2. He made a kite _____ (make) his daughter happy. 3. My dream is _____ (b e) a scientist one day. 4. We went to the the ...
【简答题】电流做功的过程是将电能转化为__________能的过程。电流通过电动机做功，电能转化为_________能；电流通过电热器做功，电能转化为__________能。
【简答题】电功能表示电流做功的快慢。( )
【简答题】Fill in the blank with a proper word. Change the form where necessary. distinct distinctive deficit bulk supreme transplant slogans volume scale imitate optional eternal all...
【单选题】(2013·安徽，31)If parents have children help with housework, the children will feel needed.________，they will learn to take care of themselves.
A.
On the contrary
B.
In a word
C.
That is to say
D.
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