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卤代烃在碱性醇溶液中能发生消去反应。例如 +NaOH CH 3 -CH=CH 2 ↑+NaCl+ H 2 O，该反应式也可表示为 CH 3 -CH=CH 2 下图是八个有机化合物的转换关系 请回答下列问题： (1)根据系统命名法，化合物A的名称是__________。 (2)上述框图中，①是_______反应，③是__________反应。（填反应类型） (3)化合物E是重要的工业原料，写出由D生成E的化学方程式 _____________。 (4)C2的结构是___________ 。F1的结构是_________ 。 F1和F2互为__________ 。
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【单选题】He said he could swim across the river,__________.
A.
so could I
B.
either did I
C.
he said such
D.
such did he
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