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【单选题】
耦合电容的容量应足够大（一般为几十微法，即对于交流信号近似为短路 ，其作用为A.
A. 隔直流通交流
B.
隔交流通直流
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举一反三
【单选题】Physics is__to the science which was called natural philosophy in history.
A.
like
B.
equivalent
C.
likely
D.
uniform
【单选题】Robert met Laura in the doorway just as she was ____ to go away.
A.
able
B.
likely
C.
about
D.
willing
【单选题】Physics is ___ to the science which was called nature philosophy in history.
A.
alike
B.
equivalent
C.
likely
D.
uniform
【单选题】Unfortunately, she is________ to penicillin, and I doubt whether any other drug will help her.
A.
sensible
B.
sensitive
C.
affect
D.
intellect
【简答题】完形填空。 Sometimes I really doubt whether there is love between my parents.They are very busy working to _1 the family.They don't act in the _2_ ways that I read in books or I see on TV. _3_ flowers to e...
【单选题】The town was far away from the house and Pa did not return until the next morning.
A.
Y
B.
N
C.
NG
【单选题】In the long run, products fail because of a poor match between which of the following?
A.
a. advertising and personal selling
B.
b. limited resources and unlimited consumer wants
C.
c. product characteristics and consumer needs
D.
d. prices and consumer demand
【简答题】按照有效数字的运算规则，下列计算式的结果各应包括几位有效数字?
【单选题】To be well fit for the job, _____. [ ]
A.
a good knowledge of physics is needed
B.
one needs to have a good knowledge of physics
C.
it is required that one should have a good knowledge of physics
D.
a good knowledge of physics is important
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