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【单选题】
烧伤病区属于二类环境,要求空气中的菌落总数不超过
A.
10cfu/m三次方
B.
50cfu/m三次方
C.
100cfu/m三次方
D.
200cfu/m三次方
E.
500cfu/m三次方
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参考答案:
举一反三
【单选题】管螺纹的牙型角是
A.
30°
B.
60°
C.
33°
D.
55°
【单选题】In negotiations with foreign businessmen, Chinese are usually more concerned with ( ).
A.
opening a new overseas market
B.
acquiring advanced technology
C.
earning more foreign exchange
D.
obtaining long-term foreign loans
【单选题】管螺纹的牙型角是( )
A.
55°
B.
60°
C.
30°
D.
55°或60°
【简答题】With the rapid d______( 发展 )of foreign trade, more people are learning foreign languages.
【单选题】More foreign universities will jointly establish campuses in Shanghai.
A.
TRUE
B.
FALSE
C.
NOT GIVEN
【单选题】管螺纹的牙型角是:
A.
30°
B.
45°
C.
55°
D.
60°
【单选题】管螺纹的牙型角是( )
A.
30°
B.
60°
C.
45°
D.
55°
【单选题】More and more Chinese are learning foreign languages, ______English.
A.
previously
B.
predominantly
C.
practically
D.
permanently
【单选题】管螺纹的牙型角是( )
A.
55°
B.
60°
C.
30°
D.
55°60°
【单选题】More and more foreign friends enjoy ________to Peking Opera.
A.
listen
B.
to listen
C.
listening
D.
listened
参考解析:
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