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【单选题】
图示电路的开关闭合后的时间常数等于( )。A.
2s
B.
4s
C.
0.5s
D.
1 s
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举一反三
【单选题】Information on behavioral deficits in rats is also______to humans, but there is an enormous step between the psychology of the two species, so we must be careful about declaring such data______.
A.
applied… invalid
B.
extrapolated … dissimilar
C.
obscure … sound
D.
relevant … analogous
E.
inapplicable … similar
【单选题】She could not answer, it was an immense load off her heart.
A.
natural
B.
fatal
C.
tiny
D.
enormous
【单选题】These programmes are of immense value to old people．
A.
natural
B.
fatal
C.
tiny
D.
enormous
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