英语单选题14选项:a、b、c、d、

150.2Tom is a teacher , but Jim isn't . That is to say_______________. A neither of them is a teacher B both of them are not teachers C either of them is a teacher D all of them are not teachers 原因？谢谢。

Tom is a teacher , but Jim isn't 。 That is to say___B___。 A neither of them is a teacher B both of them are not teachers C either of them is a teacher D all of them are not teachers 关于both,all都是部分否定,不管both not还是not both,这里选B更好，因为根据题目的意思，Tom是一个老师，Jim并不是，是强调两个人不都是老师呢还是两个人都有不是老师的可能性呢？ B表示，他们两个并不都是老师。...全部

  Tom is a teacher , but Jim isn't 。 That is to say___B___。 A neither of them is a teacher B both of them are not teachers C either of them is a teacher D all of them are not teachers 关于both,all都是部分否定,不管both not还是not both,这里选B更好，因为根据题目的意思，Tom是一个老师，Jim并不是，是强调两个人不都是老师呢还是两个人都有不是老师的可能性呢？ B表示，他们两个并不都是老师。
   C表示，他们都有可能不是老师（而Tom已经没有不是老师的可能了） 所以B更好。收起