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【多选题】
儿童心理发展包括哪些方面?A.
认知发展
B.
个性发展
C.
社会性发展
D.
身体发育
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反馈参考答案：
举一反三
【简答题】______ is not only statistical but also interesting.
【单选题】The rising phase of the action potential is due to
A.
Na+ flow into the cell only.
B.
Na+ flow out of the cell only.
C.
K+ flow out of the cell only.
D.
K+ flow into the cell only.
E.
Na+ flow out of the cell and K+ flow into the cell.
【单选题】The rise in the action potential of nerve fibers is due to( )
A.
K+ enters the cell
B.
K+ moves from cell to extracellular
C.
Na+ enters the cell
D.
Na+ moves from cell to extracellular
【单选题】Due to action of pistons some relative motion between parts in contact in the coolant supply and return system must occur.
A.
reciprocating
B.
rotating
C.
running
D.
removing
【单选题】What is the statistical reserve？（）
A.
Bandwidth that is reserved for SVCs to route over a trunk
B.
Bandwidth that is reserved on a trunk so that ABR connections can burst
C.
Bandwidth on a trunk that is reserved for control traffic and cannot be used by connections
D.
Bandwidth that cannot be allocated to connections but can be used to accommodate statistical variations in the traffic
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