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题目: 有关骨骼肌细胞微细结构的叙述,正确的是 编号: CCXAQHPA.
含大量肌原纤维和发达的肌管系统
B.
肌节是肌肉进行收缩和舒最基本功能单位
C.
横管的作用是将肌细胞膜兴奋时出现的电变化传入细胞内部
D.
三联营结构是兴奋-收缩耦联的关键部位
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】简述平抑肝阳药 、 息风止 痉药 的性能特点、适应证。
【单选题】Please go and find out __________.
A.
that the bus will arrive
B.
why will the bus arrive
C.
when the bus will arrive
D.
when will the bus arrive
【单选题】Hardly to the bus stop when the bus suddenly pulled away .
A.
did they g et
B.
they got
C.
they had got
D.
had they got
【单选题】__________to the bus stop when the bus suddenly pulled away．
A.
They scarcely got
B.
They had got scarcely
C.
Scarcely did they get
D.
Scarcely had they got’
【单选题】— Did Daisy catch the early bus? — Hardly ______ to the bus stop when the bus started. [ ]
A.
had she got
B.
she had got
C.
has she got
D.
she has got
【单选题】When the bus is driving along a busy street, you should be careful not to your head of the bus window. [ ]
A.
stick; to
B.
stick; out
C.
stick; on
D.
stick; up
【单选题】Hardly ______ when the bus suddenly pulled away.A．they had got to the bus stop B．they got to th
A.
Hardly ______ when the bus suddenly pulled away. A.they had got to the bus stop
B.
they got to the bus stop
C.
did they get to the bus stop
D.
had they got to the bus stop
【单选题】The conductor on the bus me to sit down when the bus started.
A.
demanded
B.
motioned
C.
directed
D.
warned
【单选题】How many blocks was the woman away from the corner where she waited when the bus driver finally let her off ?
A.
Almost one block.
B.
Almost two blocks.
C.
Probably three blocks.
D.
Probably five or six blocks.
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