在职研究生英语（一）
阅读短文，选出填入空格最合适的一项： A coastal town can pr…
第 6 题单选题模拟题较易
阅读短文，选出填入空格最合适的一项：
A coastal town can protect itself from storm waves by building a concrete sea wall or by restoring the salt marshes that once absorbed the waves. The former is quicker to build; ___ costs less to maintain and also gives birds and fish a place to live.
上下文复现完形填空逻辑关系