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One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 301

2016-05-23View Original

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Selection: Considering the mechanical strength and processability of the materials, the polymerization degree of most commonly used polymers is in ( ). A、0～20 B、100～200 C、200～2000 D、20000～200000 C、200～2000
Reply #22016-05-23
Considering the mechanical strength and processability of the materials, the polymerization degree of most commonly used polymers is in (D).
Reply #32016-05-23
A...........
Reply #42016-05-23
Considering the mechanical strength and processability of the materials, the degree of polymerization of most commonly used polymers is in (C). A、0～20 B、100～200 C、200～2000 D、20000～200000

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Translated at 2026-07-21 00:12:07

Original: https://bbs.hcbbs.com/thread-1588048-1-1.html

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