单项选择题

第1题第4步
为

A．kT/2.
B．3kT/2.
C．kT.
D．kT/3.

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Correlation means a relation existing between phenomena or things or between mathematical or statistical variables which tend to vary, be associated, or occur together in a way not expected on the basis of chance alone.
正确
错误

答案：正确

单项选择题

骨的构造包括
A、骨干和骺
B、骨板和骨小梁
C、骨质.骨膜和骨髓
D、密质骨和松质骨
E、内.外板和板障