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【单选题】
急性低钾血症对神经肌肉组织膜电位的影响是 静息电位(负值) 阈电位(负值) 静息电位与阈电位间差距A.
不变 ↑ ↑
B.
不变 ↓ ↓
C.
↑ ↑ ↑
D.
↑ 不变 ↑
E.
↓ 不变 ↓
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举一反三
【简答题】2-6多媒体信息处理的对象主要包括了文字、图形、图像、声音、_________和视频。
【简答题】It seems that he has nothing to do the moment.
【单选题】—Mike doesn't look happy. What's wrong with him? —It seems that he has some trouble ______ that problem. [ ]
A.
solve
B.
solves
C.
solving
D.
to solve
【单选题】Ray is a new graduate, and it seems that he has difficulty in dealing with ________ problems arise.
A.
whichever
B.
whenever
C.
whatever
D.
wherever
【单选题】It seems that he has spent a large sum of money _______ that house.
A.
in
B.
for
C.
on
D.
at
【单选题】It seems that he has no pen ______.
A.
to write
B.
to write with
C.
writing
D.
writing with
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