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【多选题】
高分子在良溶剂中，以下正确的是：( )A.
过量化学位 > 0
B.
排斥体积 > 0
C.
排斥自由能 < 0
D.
一维扩展因子 > 0
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皮皮学刷刷变学霸
举一反三
【单选题】______ I you, I would go with him to the party.
A.
Was
B.
Had been
C.
Will be
D.
Were
【单选题】The pattern of organization used in paragraphs 30-36 is ______
A.
list of items.
B.
time order.
C.
cause and effect.
D.
comparison.
【单选题】What is the pattern of structure mainly used in Para.8?
A.
Comparison and contrast
B.
Cause and effect
C.
Classification
D.
Definition
E.
Process analysis
F.
Exemplification
【简答题】物主代词 1. I _________ 2. they _________ 3. him ________ 4. she _________ 5. us ________ 6. you _________ 7. it __________ 8. yourself _____
【简答题】I meant to help him, ______(expect) I have brought him trouble.
【简答题】Amy: And you believe him, ______ ?Talia: I want to believe him, but I'm not sure.
【单选题】The CN – ion is widely used in the synthesis of organic compounds. What is the pattern of electron pairs in this ion?
A.
。
B.
，，
C.
，，，
D.
；
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