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【多选题】
关于通气/血流比值(V/Q)的描述应当是A.
临床常以V/Q为0.84作为肺换气效率的正常值
B.
V/Q增大意味生理无效腔增大
C.
V/Q减少发生功能性动-静脉短路
D.
V/Q是测定肺通气功能的重要指标
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举一反三
【简答题】请把听力题的答案对应题号填在空格里。 2016年6月大学英语四级考试真题(第二套)试卷.pdf
【单选题】听力原文：M: Could you show me that once more? W: Sure. Put the paper into the machine, set the margin, and put your fingers on the keys. Now you're ready. Q: What is the woman doing? (14)
A.
Playing a piano.
B.
Making a photocopy.
C.
Typing.
D.
Taking a picture.
【单选题】听力原文：M: Could you show me that once more? W: Sure. Put the paper into the machine, set the margin, put your fingers on the keys. Now you're ready. Q: What is the woman doing? (18)
A.
Playing the piano.
B.
Making a photocopy.
C.
Typing.
D.
Taking a picture.
【单选题】在MSR路由器上使用（）命令可以关闭信息中心功能。
A.
info-centerdisable
B.
undoinfo-centerenable
C.
disableinfo-center
D.
undoinfo-center
【简答题】写出下列图片中电器元件的名称和主要用途。
【单选题】—_____? —It's eight. [ ]
A.
What day is it
B.
What's five and three
C.
How old are you
D.
What's your telephone number
【简答题】写出下列图片中电器元件的名称和主要用途。
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