分词 定语从句

来源:百度知道 编辑:UC知道 时间:2024/05/02 01:37:54
The natural pattern of the Tennessee River was characterized by large spring flows____ destructive floods and low summer flows that inhibited navigation.

A that produced B producing
哪个对,哪个错?为什么?

Two of thses laws, the Tennessee Valley Authority Act of 1933 and the Mational Recovery Act of 1993, had been particular significant for water resource development.
这句对吗?had been particular significant 对吗?
答案是 had particular significance. 哪个对???

两个都算对,不过选A最佳
选A的原因是因为它和后面那句的结构是一样,都是that从句做定语

用主动语态。理由同楼上

B
楼主不会在上美国历史课吧?
第二题答案那个是对的。这句话的意思是说1933年的TVAA协议和1993年的MRA,对水源问题的开发做了特定/明确的签署协议。所以是主动,不是被动语句。