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【单选题】
建筑通风中常用的除尘设备是（ ）。A.
旋风除尘器
B.
湿式除尘器
C.
静电除尘器
D.
袋式除尘器
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【单选题】His father wouldn't give him any money, and ______ lend him any.
A.
or he would
B.
nor he would
C.
nor would he
D.
or would he
【单选题】An English schoolboy would only ask his friend: 'Wassa time, then?' To his teacher he would be much more likely to speak in a more standardized accent and ask: 'Excuse me, sir may I have the correct t...
A.
Nowadays, English schoolboys are impolite towards people except towards their teachers
B.
The way of asking time is different from that of earlier generations
C.
People's speaking styles vary according to the different situations
D.
People's ways of speaking are relatively stable on varying occasions
【单选题】He have completed his home work ; otherwise, he woul dn' t be enjoying himself on the play ground.
A.
should
B.
must
C.
wouldn' t
D.
can' t
【简答题】Mr. Young ran his own business and worked very hard. His wife was afraid that he would get sick if he continued like that, so she often tried to get him to take a vacation. At last she managed to pers...
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