Uma pergunta por dia: quem acertar ganha 5 moedas de riqueza; quem participar, ganha 2 moedas de riqueza； Questão 303

2016-05-25View Original

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Escolha: A borracha de silicone orgânico pertence a ( ). A. Polímeros de cadeia mista B. Polímeros orgânicos elementares C. Polímeros de cadeia de carbono D. Não se enquadra como polímero B. Polímeros orgânicos elementares

Reply #22016-05-25

B、、、、、、、、、、、、、、

Reply #32016-05-25

A borracha de silicone orgânico pertence a (A, polímeros de cadeia mista).

Reply #42016-05-25

A borracha de silicone orgânico pertence a (b).

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Uma pergunta por dia: quem acertar ganha 5 moedas de riqueza; quem participar, ganha 2 moedas de riqueza； Questão 303

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