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【单选题】
已知显微镜目镜г=15,物镜 β =2.5,共轭局L=180mm,那么显微镜总放大率为()。A.
-37.5
B.
37.5
C.
45
D.
-45
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举一反三
【单选题】Consider a 13-week US Treasury security that has a price of $9 970($10 000 face value). What would be the annualized yield on this investment?______.
A.
0.012%
B.
0.12%
C.
0.012
D.
0.048
E.
0.1203
【单选题】What is the price of a RMB1 000 face value, 10% coupon bond with three years to run befo reaching maturity? The three-year rate of interest is currently 8%.______.
A.
RMB1 051.54
B.
RMB1 000
C.
RMB951.98
D.
RMB1 037.62
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