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【多选题】
下列有关烷烃卤代反应说法中正确的是 _______ 。A.
、甲烷卤代反应过程中 形成甲基自由基，其中碳采用 sp 3 杂化 ；
B.
、在光照或高温下，使卤素才能参与反应
C.
、环丙烷与溴水反应褪色的反应机理属于自由基机理
D.
、丙烷发生氯代反应，由于 (稳定性)，所以产物以 为主
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A.
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B.
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C.
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D.
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A.
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B.
在服用毒品或者饮用含酒精饮料后进行维修或者放行工作的
C.
因个人人为差错造成设备损坏并出现人员受伤的情况
D.
犯有严重维修差错
【简答题】Conversation Three (Questions 9-12) • Look at the notes below. • You will hear a man phoning about arrangements for a meeting. While you were out Message fro: Lauren O'Neil From: Chris Darcy Message...
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