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【单选题】
某企业平价发行一批债券，其票面利率为12%，筹资费用率为2%，所得税率为33%，则此债券成本为（ ）A.
8.7%
B.
12%
C.
8.2%
D.
10%
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【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
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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.
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【单选题】I have asked Peter ____ so much noise , but he kept on shouting.
A.
no making
B.
not to make
C.
to make
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A.
with; to
B.
to; with
C.
for; on
D.
over; at
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