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【单选题】

在水基压裂液中,常加入()防止粘土膨胀、分散和转移。

A.
防膨剂
B.
破乳剂
C.
破胶剂
D.
稠化剂
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参考答案:
参考解析:
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【单选题】How should one invest a sum of money in these days of inflation (通货膨胀) Left in a bank it will hardly keep its value, however high the interest rate is. Only a brave man, or a very rich one, dares to b...

A.
suggest human beings are controlled by a clock
B.
describe why clocks can rule the planet Earth
C.
tell readers what clocks look like
D.
compare clicks to human beings

【多选题】结构失衡型通货膨胀的类型有( )。

A.
需求转移型
B.
“瓶颈”制约型
C.
部门差异型
D.
斯堪的纳维亚小国型