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【单选题】
微型企业一般是指从业人员在( )人以下的小企业。A.
10
B.
50
C.
5
D.
20
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皮皮学刷刷变学霸
举一反三
【单选题】It_______this way.
A.
is had to do
B.
is had to be done
C.
had to be done
D.
has to do
【单选题】—Tina had nothing for supper, _____ she? —_____. She had some bread and milk. [ ]
A.
had, Yes
B.
had, No
C.
did, Yes
D.
did, No
【单选题】They said at last that they ____ better start out at once. [ ]
A.
had had
B.
had
C.
had been
D.
was
【简答题】按测量误差的特点和性质分,可分为 、 和粗大误差三类。
【单选题】The little field _______ with seaweed some weeks before, and the weeds _______ and whitened on the grass. A. had manured, had rotten B. had manured, had rotted C. had been manured, had rotten D. had b...
A.
had manured, had rotten
B.
had manured, had rotted
C.
had been manured, had rotten
D.
had been manured, had rotted
【简答题】A．had talked to B．had seen C．had been with D．had visited
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