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问题 多项选择题

有关ICU获得性感染的说法下面正确的是

A.ICU获得性感染主要是由少数潜在致病微生物引起，且多为内源性感染 

B.患者在ICU的住院时间是所有医院感染的主要危险因素 

C.ICU患者应激性溃疡的预防性治疗可减少ICU获得性感染 

D.后期(即住院后4天)发生的ICU获得性感染的致病菌常与社区获得性感染的致病菌类似。

答案

参考答案：A, B

完形填空

完成句子根据各小题A句的意思完成B句, 使两句的意思基本相同。每空限填一个单词。(共12分, 每空1分)

小题1:A: The box is so heavy that we can’t carry it.

B: The box is _________ heavy for us _________ carry.

小题2:A: English is my favorite subject.

B: I _________ English ________ of all my subjects.

小题3:A: Greeting each other with a smile is necessary in our daily life.

B: ________ is necessary ________ greet each other with a smile in our daily life.

小题4:A: Lin Hui asked me, “Do you help your parents with the housework?”

B: Lin Hui asked me _________ I_________ my parents with the housework.

小题5:A: We must do something to save the wild animals.

B: Something must _________ _________ to save the wild animals.

小题6:A: If you don’t read the exam questions carefully, you’ll make some mistakes. 

B: __________ the exam questions carefully, _________ you’ll make some mistakes.
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单项选择题

在Windows98中，桌面是指( )。

A．Windows98所占据的屏幕空间

B．主窗口

C．活动窗口

D．应用程序窗口
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