Polymers with high molecular weights have（）.
A.High viscosity
B.Strong intermolecular interactions
C.High impact strength
D.High moisture absorption
正确答案：High viscosity；Strong intermolecular interactions；High impact strength
Polymers with high molecular weights have（）.
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Usually，polymerization includes（）, based on the mechanism involved in forming polymers.
Monomers used for producing polymers should be（）.
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