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【简答题】
在一定温度、压力条件下,当三元混合液的两个液相(E相与R相)达平,溶质A在互不相溶的两个液相层中的()之比为一常数,该常数为(),符号为()。
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举一反三
【单选题】I n Paras. 6 — 13, three methods of animal protection are mentioned,which of the following is not correct?
A.
Captive breeding
B.
Actions of the animal rights group of PETA
C.
Vegetarianism
D.
Wildlife conservation law
【单选题】Which of the following about the controlling idea is not true?
A.
A paragraph is a sentence or group of sentences that support one main idea. That ’ s what we call the “controlling idea” because it controls what happens in the rest of the paragraph.
B.
The information in each paragraph must be related to that idea.
C.
I t is about the most important idea that you are trying to convey to your reader in a paragraph.
D.
I t is always the first sentence.
【单选题】Remember not to ____ when you enter the room.
A.
look up
B.
look round
C.
look into
D.
look through
【简答题】“When your mother scolds you, you can look elsewhere and think about other things. Just ignore her words. But remember: such a tough attitude cannot be used often.” These words are from a series of ca...
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