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【判断题】
为了扩大变速器输出转速变化范围,普通齿轮式变速器通常都采用多对大小不同的齿轮啮合传动,这样就构成了多个不同的档位
A.
正确
B.
错误
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举一反三
【单选题】Trust is a phenomenon that_.
A.
results from our experiences with others
B.
comes from our perceptions
C.
originates from the pit of the stomach
D.
does not have the power and intent to hurt others
【单选题】在骨骼肌细胞兴奋 - 收缩耦联过程中,胞质内的 Ca 2+ 来自( )
A.
横管膜上电压门控 Ca 2+ 通道开放引起的胞外 Ca 2+ 内流
B.
细胞膜上 NMDA 受体通道开放引起的胞外 Ca 2+ 内流
C.
肌质网上的 Ca 2+ 释放通道开放引起的胞内 Ca 2+ 释放
D.
肌质网上的 Ca 2+ 泵的反向转运
E.
线粒体内 Ca 2+ 的释放
【单选题】Which of the following is a phenomenon that refers to situations in which people feel themselves at risk of being judged by others holding negative images about them?
A.
perceptual set
B.
the stereotype threat
C.
the glass cliff
D.
role approach
【单选题】On the celebration of the university’s 100 th birthday, he said, “I have never experienced __________ time here as a graduate of Tsinghua University.”
A.
a better
B.
the best
C.
the better
D.
a best
【单选题】He was speaking to a stranger (whom), (I think), (was asking) him (something).
A.
whom
B.
I think
C.
was asking
D.
something
【单选题】在骨骼肌细胞兴奋-收缩耦联过程中,胞质内的Ca2+来自
A.
横管膜上电压门控Ca2+通道开放引起的胞外Ca2+内流
B.
细胞膜上NMDA受体通道开放引起的胞外Ca2+内流
C.
肌质网上Ca2+释放通道开放引起的胞内Ca2+释放
D.
肌质网上Ca2+泵的反向转运
E.
线粒体内Ca2+的释放
【单选题】在骨骼肌细胞兴奋-收缩耦联过程中,胞质内的Ca2+来自()
A.
横管膜上电压门控Ca2+通道开放引起的胞外Ca2+内流
B.
细胞膜上NMDA受体通道开放引起的胞外Ca2+内流
C.
肌质网上的Ca2+释放通道开放引起的胞内Ca2+释放
D.
肌质网上的Ca2+泵的反向转运
【简答题】is a phenomenon that air temperature may increase with altitude.
【单选题】在骨骼肌细胞兴奋-收缩耦联过程中,胞质内的钙离子来自
A.
横管膜上电压门控钙离子通道开放引起的胞外钙离子内流
B.
细胞膜上NMDA受体通道开放引起的胞外钙离子内流
C.
肌质网上钙离子释放通道开放引起的胞内钙离子释放
D.
肌质网上钙离子泵的反向转运
E.
线粒体内钙离子的释放
【单选题】–I don’t suppose he could have done well in the exam last week, _____? --______, he almost failed the exam.
A.
had he; Yes
B.
did he; No
C.
do I ; Yes
D.
could he; No
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