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【单选题】
Mr. Rober likes Amerian films ___his wife prefers going to the concert.A.
when
B.
while
C.
as
D.
however
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【单选题】色环电阻的色环依次为：红红黑金棕 则该电阻的阻值为（），误差为（）。
A.
220欧姆，+-1%
B.
22欧姆，+-1%
C.
2200欧姆，+-2%
D.
220欧姆，+-2%
【单选题】I don't know if she __________. If she ______, please let me know. [ ]
A.
will come; comes
B.
comes;will come
C.
comes;comes
D.
comes; comes
【简答题】She spoke about him as if she ______(know) him for years.
【单选题】I don’t know if she ________ married whether she ________ me know.
A.
is, lets
B.
gets, will let
C.
will get, lets
D.
will get, will let
【单选题】What does the woman want to know?
A.
Joan is not in.
B.
She wants to know who is calling.
C.
She doesn't know whom he is calling.
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