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【单选题】
有一个化学反应,在低温下可自发进行,随温度的升高,自发倾向降低,这反应是:A.
∆S > 0，∆H > 0
B.
∆S > 0，∆H
C.
∆S 0
D.
∆S
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举一反三
【单选题】— I can't understand why my mother always keeps me hard at my work. — When you ____ children of your own, you will understand. [ ]
A.
will have
B.
are having
C.
have had
D.
have to have
【简答题】催化重整的目的是制取（）和（）并副产（）。
【单选题】听力原文：M: I can't understand why my friend isn't here yet. We agreed to meet at ten thirty. It's almost eleven. Do you think we should try to call her or go to look for her? W: She's probably just got t...
A.
Look for the traffic light.
B.
Give her a call.
C.
Wait a little longer.
D.
Change the tire for her friend.
【单选题】I can't understand why my boss is always _____fault with my work.
A.
finding
B.
seeking
C.
looking
D.
making
【单选题】Today I want them to show me why television is so to them. Now I understand why TV is a big to my students.
A.
tempt, temptation
B.
entice, enticing
C.
tempting, temptation
D.
attracting
【单选题】听力原文：W: I can't understand why my friend isn't here yet. We agreed to meet at 10:30. It's almost 11:00. Do you think we should try to call her or go look for her? M: She probably just got tied up in t...
A.
Check the time of high tide.
B.
Go stand under the clock.
C.
Wait a little longer.
D.
Look for the traffic light.
【简答题】I understand why my associate is being held,but what exactly am I being charged with?
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