有5种有机物: ⑤CH2=CH—CH=CH2 , 其中可用于合成 高分子材料的正确

5种有机物

⑤CH2=CH—CH=CH2 其中可用于合成

高分子材料的正确组合为 

A①②④        B①②⑤         C②④⑤          D③④⑤

答案

D

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