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【单选题】
(3)提馏段下降液相量 =( )kmol×h-1;A.
200
B.
250
C.
300
D.
350
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【简答题】传热的基本方式为 ________.________._______ 。其中, 可以在真空中传热的方式是 ________。
【单选题】For any 3 given numbers, which of the following is always equivalent to adding the 3 numbers together and then dividing the sum by 3? Ⅰ. Ordering the 3 numbers numerically, from highest to lowest, and...
A.
Ⅰ only
B.
Ⅱ only
C.
Ⅰ and Ⅱ only
D.
Ⅱ and Ⅲ only
E.
None of the above
【简答题】将完成页面截图,上传。 源文件压缩上传。
【单选题】From Paragraph 3 we know that ______.
A.
technology is always good for people
B.
technology is not always good for people
C.
financial profit is more important than technological advancement
D.
American people care about both environment pollution and technological development
【简答题】Always 3)___
【单选题】In the first paragraph, “we are always mindful of...” means “________.”
A.
we are always worried about…
B.
we always look forward to…
C.
we are always aware of…
D.
we always put up with…
【单选题】They believe that the spirit remains with the body for 3 days；_____ someone always stays with the dead person.
A.
so during this time
B.
during which
C.
during which time
D.
so when
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