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【单选题】
能引起动作电位,但幅度最小,这种情况见于
A.
绝对不应期
B.
相对不应期
C.
超常期
D.
E.
静息期
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【简答题】根据课文原文,填入所缺内容。 1. The most energetic and important festivals are the ones that _________________the end of winter and to the coming of spring. 2. Something terrible ________ __________if Li Chang was ...
【判断题】在羰基配合物中,配体CO的配位原子一定是碳。
A.
正确
B.
错误
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A.
天丝
B.
磨毛
C.
纯棉
D.
涤纶
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A.
It was widely accepted as soon as it was made.
B.
It was sold to a toy company and it was sold well.
C.
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D.
Its patent was sold at the price of $7,000 dollars.
【单选题】在施工图中,M代表()
A.
B.
C.
D.
E.
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A.
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B.
磨毛
C.
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D.
涤纶
【简答题】春夏季印花产品适合()面料。
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