1 . A c________is a long straight passage dug in the ground and filled with water for boats and ships to travel along; a smaller passage used for carrying water to fields, crops, etc.(根据首字母单词拼写)
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2022-01-10更新|15次组卷|2卷引用:外研版2019 选择性必修四 Unit 5 第一课时 基础练