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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 304

2016-06-01View Original

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Selection: Which of the following polymers has a three-dimensional network structure? A、Polyethylene B、Polyvinyl chloride C、Cellulose D、Vulcanized rubber D、Vulcanized rubber
Reply #22016-06-01
Which of the following polymers has a three-dimensional network structure? (B) A、Polyethylene B、Polyvinyl chloride C、Cellulose D、Vulcanized rubber
Reply #32016-06-01
The polymer among the following that has a three-dimensional network structure is (d).
Reply #42016-06-01
D. Vulcanized rubber. . . . . . . . .

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Translated at 2026-07-21 00:08:17

Original: https://bbs.hcbbs.com/thread-1590251-1-1.html

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