We have to make a decision that could mean life or death.是同谓语从句还是定语从句?

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We have to make a decision that could mean life or death.是同谓语从句还是定语从句?
We have to make a decision that could mean life or death.是同谓语从句还是定语从句?

We have to make a decision that could mean life or death.是同谓语从句还是定语从句?
that could mean life or death 是定语从句.虽然 decision 可以后跟同位语从句,但这里后边的从句缺主语 (that 只是关系代词),所以是定语从句,decision 为先行词,在从句中作主语.同位语从句的话,句子成分必须完整.


同位语从句

We have to make a decision that could mean life or death.
答案:定语从句
解析:本句话中a decision为先行词,that为关系代词,后面引导了一个定语从句。
如果是同位语从句的话,that后面是一个完整的句子。