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【单选题】
不属于盈利能力分析主要指标的是（）。A.
总投资收益率
B.
投资回收期
C.
偿债备
D.
项目资本金财务内部收益率
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举一反三
【简答题】I'm usually a nice person, but when he took my CD without asking me, I saw _____ and started shouting.
【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
【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】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
【单选题】He told me that he was very familiar _______ the surroundings there and I told him that the people there were familiar _____ me.
A.
with; to
B.
to; with
C.
for; on
D.
over; at
【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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