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【单选题】
原子吸收分离属于( )
A.
紫外吸收
B.
分子吸收
C.
原子吸收
D.
红外吸收
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参考答案:
举一反三
【单选题】生活给水系统,当卫生器具给水配件处的静水压超过规定值时,宜采取( )措施。
A.
减压
B.
排气阀
C.
水泵多功能控制阀
D.
水锤吸纳器
【简答题】It was not so much his appearance I liked as his personality.
【单选题】建筑物内的生活给水系统,当卫生器具给水配件处的静水压超过规定值时,宜采取( )措施。
A.
减压限流
B.
排气阀
C.
水泵多功能控制阀
D.
水锤吸纳器
【单选题】某建筑物内的生活给水系统,当卫生器具给水配件处的静水压超过规定值时,宜采取( )。
A.
减压限流
B.
排气阀
C.
水泵多功能控制阀
D.
水锤吸纳器
【单选题】M: Hello, Susan! How was your exam yesterday? W: Not so good. It was as easy as the last one, but it was longer than before. ( )13. Why didn't the woman do well on the exam?
A.
It was too hard.
B.
She was too nervous.
C.
She didn't have enough time.
D.
She didn't work hard at all.
【单选题】建筑物内的生活给水系统,当卫生器具给水配件处静水压力超过规定值时,宜彩( )措施
A.
排水阀
B.
水泵多功能控制阀
C.
水锤吸纳器
D.
减压限流
【单选题】It was after he got what he had wanted he realized it was not so important.
A.
that
B.
when
C.
since
D.
as
【单选题】对于建筑物内的生活给水系统,当卫生器具给水配件处的静水压超过规定值时,应采取的措施为( )。
A.
加压
B.
重新校核
C.
减压限流
D.
只需减压,不必限流
【简答题】It was raining as I got off the train in Nashville, Tennessee. I was tired so I went straight to my hotel. A big, heavy man was walking up and down in the hotel lobby. Something about the way he moved...
【单选题】______, they continued their work.
A.
As it was late
B.
It was so late
C.
So late as it was
D.
Late as it was
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