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【多选题】
聚合物共混改性的目的有?A.
均衡各共分子组分的性能
B.
改善高分子的加工性能
C.
降低材料成本
D.
可以制备新性能的高分子材料
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反馈参考答案：
举一反三
【判断题】All the problems the man has encountered are caused, in fact, by his lack of basic knowledge of modern technology.
A.
正确
B.
错误
【单选题】According to the man, the computer had problems EXCEPT that
A.
it couldn't connect to the Internet.
B.
it crashed repeatedly in some cases.
C.
its modem was broken.
D.
its screen didn't function well.
【单选题】According to the woman, what may cause the man the most problems in the Albuquerque?
A.
The low humidity.
B.
The changing climate.
C.
The high altitude.
D.
The extreme temperatures.
【判断题】The problems the man has with TV remote control are caused by the small buttons on the control.
A.
正确
B.
错误
【单选题】According to the woman, what may cause the man the most problems in Albuquerque?
A.
The low humidity.
B.
The changing climate.
C.
The high altitude.
D.
The extreme temperatures.
【单选题】Man has the intelligence to solve problems and the motivations to seek the solutions so that he is able to adapt to different environments.
A.
Y
B.
N
C.
NG
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