2级

单选题There's no doubt that any proposal which Jack be dismissed must be resisted.

参考答案:A进入在线模考
[分析]结构应用
本句考察的是同位语从句的用法;因为Jack be dismissed must be resisted在句中作proposal的同位语,应用连接代词that引导,它在从句中不做任何语法成分;因此A为答案。