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毎日1問、正解者には5つの財富が報酬として与えられ、参加すると2つの財富がもらえます;第280題

2016-04-03View Original

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選択:綿織物の防虫・防腐性能を向上させるために、エン系モノマーを綿繊維にグラフトする方法が用いられる。以下のモノマーのうち、最も効果的なものは( ) A、CH2=CH−COOH B、CH2=CH−COOCH3 C、CH2=CH−CN D、CH2=CH−OCOCH3 C、CH2=CH−CN
Reply #22016-04-03
C、CH2=CH−CN
Reply #32016-04-03
C、CH2=CH−CN
Reply #42016-04-03
A、CH2=CH−COOHを選ぶ

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