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【单选题】
以下不属于温室气体的是:A.
二氧化碳
B.
臭氧
C.
二氧化硫
D.
一氧化氮
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举一反三
【单选题】I didn't know his telephone number, otherwise I ______ him.
A.
had telephone
B.
would telephone
C.
would have telephoned
D.
telephone
【单选题】下列哪项不属于医院内感染的主要因素
A.
医院内病原体来源广泛，环境污染严重
B.
易感人群增多
C.
有效控制大量新型抗生素的开发和使用
D.
各种侵入性诊疗手段增多
E.
医务人员对医院内感染的严重性认识不足
【单选题】I didn’t know his telephone number. ______ it, then I ______.
A.
Had I known; would ring him up
B.
Should I know; would have rung him up
C.
If I knew; would ring him up
D.
Had I known; would have rung him up
【单选题】We didn’t know his telephone number, otherwise we ________ him.
A.
would have telephoned
B.
must have telephoned
C.
would telephone
D.
had telephoned
【单选题】I didn't know his telephone number. ____ it , I ____ then
A.
Had I known ， would ring him up
B.
Should I know ， would have rung him up
C.
If I knew ； would ring him up
D.
Had I known ； would have rung him up
【单选题】---Who called just now? ---I don’t know because I didn’t______ his voice.
A.
listen
B.
recognize
C.
get to know
D.
realize
【单选题】I didn’t know __________.
A.
how they called these birds
B.
what they called these birds
C.
what his decision is
D.
how to do with the bad milk
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