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【单选题】
The best title for this passage might be ______.A.
Balance in Education
B.
Educational System in Public School
C.
Current Situation in Education
D.
Importance of Teaching Science and Technology
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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】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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