选修6 Module 3 高考试卷分块专练
Ⅰ.语法填空
(2018·成都模拟)Over 2,200 years ago, Chengdu was threatened by frequent floods. Li Bing, together with his son, decided to construct an irrigation system on the Minjiang River __1__ (prevent) flooding. __2__ having a long study and a lot of hard work by the local people, the great Dujiangyan Irrigation System was completed. Since then, the Chengdu Plain __3__ (be) free of flooding and the people have been living peacefully and wealthily.
It is the __4__ (old) and only surviving nodam irrigatior system in the world. It is also __5__ wonder
