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【多选题】
碳酸化是在一定的气体压力和液体温度下,在一定的时间内进行的。为了提高CO2的溶解度要采取?A.
增加气液两相接触面积
B.
减少气液两相接触面积
C.
提高温度
D.
降低温度
E.
增加CO2压力
F.
减少CO2压力
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【单选题】The waitress showed me to the table we have booked this afternoon.
A.
invited
B.
told
C.
led
D.
pointed
【简答题】From the text we can infer that [ A] the commitment to improve the capacities of the poor will hardly be made. [ B] the investment in educational ,medical and job programs is non-profitable. [ C] the ...
【简答题】We have one caveat on this PO.
【单选题】询问客人是否需要添加食品时应说( ) 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
、还要饭吗
B.
、要哪种饮料 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
、要汤吗
D.
、给您再添点饭吗 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【单选题】We learn from the text that Edward Bannerman is probably
A.
an enthusiast in agricultural policy.
B.
a tough leader in social affairs.
C.
an doubter of spending on research.
D.
a pioneer in space exploration.
【单选题】听力原文：Originally, we were supposed to have a science test this afternoon, but it was postponed because the teacher had to attend a conference. (30)
A.
The teacher postponed the conference.
B.
The students will be attending the conference.
C.
There won't be a test this afternoon.
D.
The students took a science test that afternoon.
【单选题】We can conclude from the first two paragraphs that whether a male practices monogamy of polygamy depends on ______.
A.
the amount of nurturing the young
B.
the sex of offspring
C.
the attractiveness of his female partner
D.
the time of conception
【简答题】From the text we learn that the laser can_________ [A] cut a structure from a right position [ B ] design parts of a complex structure [ C] measure the distance between planets [ D] predict the moveme...
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