下列化合物中既能使溴的四氯化碳溶液褪色，又能在光照下与溴发生

【名词&注释】

四氯化碳(carbon tetrachloride)、突破口(breakthrough)、第一个(first)、不饱和键(unsaturated bond)、关键知识点

[单选题]下列化合物中既能使溴的四氯化碳溶液褪色，又能在光照下与溴发生取代反应的是

A. 甲苯
B. 乙醇
C. 丙烯
D. 乙烯

查看答案&解析查看所有试题

学习资料：

[单选题]What does the underlined phrase “die hard” in Paragraph 1 probably mean?

A. Change suddenly.
B. Change significantly.
C. Disappear mysteriously.
D. Disappear very slowly.

[单选题]

B． story C． holiday D． job

A. meetingB． story
B. holiday
C. job

[单选题]—Would she mind playing against her former teammates?— She is willing to play against any tough players.

A. I think so
B. I’m not surprised
C. Of course
D. Not likely!

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