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【单选题】
某由市政管网供水的住宅楼,市政管网服务压力为0.2MPa时,可供水至( )A.
3层楼
B.
4层楼
C.
5层楼
D.
2层楼
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【单选题】It was two years ago______she went to teach in the mountains, and we have never seen her since then.
A.
when
B.
before
C.
that
D.
after
【单选题】听力原文：W: Hello, Mr. Cooper. I'm Lina Redner, sales representative for Scarecrow Company. M: I don't think we have an appointment. W: No, we don't. You'll have to excuse me for this. M: Since you are al...
A.
To make an appointment.
B.
To ask for an interview.
C.
To have a negotiation.
D.
To promote advertisement.
【简答题】零件图形的表达,都是以 ( ) 、 ( ) 或 ( ) 的联结为基础的图形。
【单选题】Man's majesty and nobility are taken for granted, although his faults and weaknesses are constantly paraded before our eyes.
A.
People respect greatness and nobility in human nature much more than they do to faults and weakness, when they are on parade.
B.
Human being s are undoubetdly seen as great and noble, although they often behave badly.
C.
People pay no attention to the great and noble side of human nature, since they are more interested in teh parade of those with faults and weaknesses in nature.
D.
Human beings have so many faults and weaknesses that we all ignore their goodness.
【单选题】听力原文：W: Hello, Mr. Cooper. I'm Lina Redner, sales representative for Scarecrow Company. M: I don't think we have an appointment. W: No, we don't. You'll have to excuse me for this. M: Since you are al...
A.
To make an appointment.
B.
To ask for an interview.
C.
To have a negotiation.
D.
To promote advertisement.
【简答题】阅读理解 Did you feel it was warmer than before ? There have been warm winter in China since 1986, said scientists. China needs to take quick action to cut carbon dioxide (二氧化碳) emission(排放)bec...
【简答题】配位多面体指在晶体结构中,与某一个阳离子直接相邻,形成配位关系的各个()的中心连线所构成的多面体。
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