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【单选题】
交流发电机在正常工作（ ）。A.
他励式发电机
B.
自励串发电机
C.
自励并发电机
D.
其他
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【简答题】The heavy snow didn't stop us from ______(go) .
【简答题】The heavy snow didn't ________ the international airlines .( )A. pay attention to B. add to C. make a difference to D. keep to
【单选题】Why didn't you tell me there was no meeting today? I _____ all the way here through the heavy snow. [ ]
A.
needn't have driven
B.
can't have driven
C.
mustn't have driven
D.
shouldn't have driven
【简答题】区域关联位(ATT)的用途是什么?
【单选题】They didn’t arrive on time the heavy snow.
A.
because
B.
because of
C.
rather than
D.
instead of
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