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【多选题】
下列属于显微镜的基本参数的是( )A.
数值孔径
B.
镜筒长度
C.
放大率
D.
分辨率
E.
景深
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反馈参考答案：
举一反三
【单选题】Garcetti took a subway instead of traveling in a car because______.
A.
traveling by car is out of date
B.
subway is environmentally-friendly
C.
taking subway is more convenient for him
D.
subway is much faster than car during the rush-hour
【单选题】If every person in every house______.
A.
rides a bike instead of a car, everything will be OK
B.
stops using hot water washing dishes ,we'll waste less energy
C.
makes efforts to save energy, the future be bright
D.
has company while watching TV, nothing will go wrong
【单选题】If you want children to work hard you must ______ their interests instead of their sense of duty.
A.
appeal to
B.
look into
C.
give rise to
D.
go in for
【单选题】He is not selfish;_________，he is very noble and generous.
A.
on the other hand
B.
instead of
C.
for instance
D.
on the contrary
【单选题】________spending our vacation in a noisy crowded city,why not try hiking in the country?
A.
Instead of
B.
Because of
C.
As for
D.
Thanks to
【单选题】If you want children to work hard you must ______ their interests instead of their sense of duty.
A.
call back
B.
appeal to
C.
give rise to
D.
go in for
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