人教版新教材单元课文语法填空对比训练—Book 2 unit1

Book2 Unit 1 原文探究(1) 练习重点：派生词和冠词 Economic 1. _________(develop) is necessary if we want to improve society. There comes a time when the old must give way to 3._________ new, and it is not possible to preserve everything from our past as we move towards the future. Finding and keeping the right balance between progress and the 4._________(protect) of cultural sites can be a big challenge. Big challenges, however, can sometimes lead to great5._________ (solve). In the 1950s, the Egyptian government wanted to build a new dam across the Nile in order to control floods, produce electricity, and supply water to more farmers in the area. But 6._________ proposal led to protests. Water from the dam would likely damage 7._________ number of temples and destroy cultural relics that were an important part of Egypt’s8._________ (culture) heritage. After listening to the scientists who had studied the problem, and citizens who lived near the dam, the government turned to the United Nations for he