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【单选题】
一价离子选择性电极的研究特别受到重视,这主要是因为:A.
制造容易
B.
灵敏度高
C.
选择性好
D.
测量误差小
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反馈参考答案：
举一反三
【简答题】运动单位(motor unit)
【简答题】Impact
【单选题】Motor unit is
A.
a alpha motor neuron and the innervated muscle fibers
B.
a motor neuron
C.
a group of motor neurons with same function
D.
a group of muscle fiber that involved in execution of a special movement.
E.
a bundle of muscle fibers
【简答题】impact
【单选题】“DC motor” means______.
A.
different current motor
B.
dangerous current motor
C.
diverted current motor
D.
direct current motor
【单选题】Motor unit is
A.
a motor neuron
B.
a group of motor neurons with same function
C.
a group of muscle fiber that involved in execution of a special movement.
D.
a bundle of muscle fibers
E.
a alpha motor neuron and the innervated muscle fibers
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