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【判断题】
由道而顿气体分压定律可知, CO 2 中的杂质严重影响碳酸化效果,而液体中溶解的空气、及未溶解的气泡则影响不大。()A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】n. [C, U] the amount of goods or work produced by a person, machine, factory, etc. 产量;产品
【单选题】In the U.S., the amount of indoor water use surpasses the amount of outdoor water use.
A.
Y
B.
N
C.
NG
【简答题】Match each word or phrase to the correct definition. Not all answers will be used. b a l a n c e d u r i ng r e a l i z e su r p r i se d e p e ndon m e a su r e s c h e d u l e sp e nd ti m e ______ ...
【单选题】The U.S. government limits the amount of milk that can be imported into the United States . This limitation is an example of a(n) ( ).
A.
natural resource barrier
B.
quota
C.
tariff
D.
exchange control
E.
boycott
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