"I bought some roses" ______ "I bought some flowers".

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问题 "I bought some roses" ______ "I bought some flowers".

选项 A、entails
B、presupposes
C、is inconsistent with
D、is synonymous with

答案A

解析 X蕴含Y(X entails Y)是一种内包关系,若X为真,那么Y必定为真;若X为假,那么Y可能为真也可能为假。
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