皮皮学，免费搜题
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【单选题】
当运动神经末梢不再有动作电位传来时,肌细胞兴奋时释放到肌浆中Ca2+通过什么机制回收缩到肌质网?A.
脂质双分子层
B.
载体蛋白
C.
通道蛋白
D.
钠泵
E.
钙泵
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】阅读理解。 Almost everyone has read about the Taj Mahal in India. It is one of the most beautiful buildings in the world. It is said that the Taj Mahal, like the Great Wall in China, is one of the seven wo...
【简答题】It took the workmen only two hours to finish __________ my car. (repair)
【多选题】在Excel中,公式=SUM(Bl:B4)等价于 ________ 。
A.
=SUM(Al:B4 B1:C4)
B.
=SUM(B1+B4)
C.
=SUM(B1+B2,B3+B4)
D.
=SUM(B1,B4)
【简答题】Almost everyone has read about the Taj Mahal in India. It is one of the most beautiful buildings in the world. It is said that the Taj Mahal, like the Great Wall in China, is one of the seven wonders....
【单选题】It took the workmen only two hours to finish ________ my car.
A.
repairing
B.
repair
C.
to repair
D.
Repaired
【简答题】It took these workmen days to clear up the litter that was dropped by the crowds.
【单选题】在Excel中，下列选项中与公式“=SUM(A1：A4)”等值的是( )
A.
SUM(A1+A4)
B.
SUM(A1*A2*A3*A4)
C.
SUM(A1/A4)
D.
SUM(A1+A2+A3+A4)
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