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【单选题】
脾为气血生化之源的生理基础是
A.
脾主升清
B.
脾主生血统血
C.
脾主运化水谷精微
D.
脾为后天之本
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【判断题】二极管的伏安特性曲线既描述了二极管正向特性和反向特性,又描述了二极管的反向击穿特性。
A.
正确
B.
错误
【判断题】理论空气用量和实际空气用量的比值叫过剩空气系数。
A.
正确
B.
错误
【判断题】铁路桥梁建成以后,应保持其良好状态,以保障桥梁的正常使用和延长其使用寿命,并为工务和列车乘务人员工作或通过创造良好的条件。因此,应对铁路桥梁进行经常的养护维修工作。
A.
正确
B.
错误
【单选题】According to the passage, insurance business is profitable because ______.
A.
nearly everyone suffers losses
B.
only insured people suffer losses
C.
everyone at some time suffers losses
D.
only a few of those insured suffer losses
【单选题】201906 T26 Nearly every career book advises job-seekers to send thank- you letters after _______.
A.
interviewed
B.
being interviewed
C.
be interviewed
D.
to be interviewed
【简答题】Program.cs文件中通过 方法运行指定的窗体。
【单选题】A proton has kinetic energy of 500 GeV (1 GeV = eV). The momentum of this proton is most nearly
A.
250 Gev/c
B.
30 Gev/c
C.
707 Gev/c
D.
500 Gev/c
【简答题】Program.cs文件中通过 方法运行指定的窗体。A. Run()
【单选题】(201906)Nearly every career book advises job-seekers to send thank- you letters after .
A.
interviewed
B.
being interviewed
C.
be interviewed
D.
to be interviewed
【单选题】Program.cs文件中通过________方法运行指定的窗体。
A.
sarte()
B.
run()
C.
stop()
D.
tostring()
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