《2025年暑假作业延边教育出版社七年级B版数学华师大版英语仁爱版河南专版》

C
Our earth is a blue planet. About 71% of the planet is water,according to the United Nations. But people can only use a small amount of it. 36 It's in lakes,rivers and underground. Today,over 663 million people live without safe water. 37
The UN wants people to know the importance of water. It started World Water Day in 1993. 38 And this year's theme is “Glacier Preservation(冰川保护)”.
According to the UN,wastewater problems make water shortages(短缺) even more serious. Our homes,cities and factories make wastewater every day. Most of it just goes back to nature. It pollutes(污染) rivers and lakes.
39 The China Water Week is from March 22 to 28. During it,the Chinese government(政府) wants people to know better about the new idea of “river chiefs(河长)”. It means that every river in China will have a chief. Local government heads will be river chiefs. 40 They need to make sure that factories clean up the wastewater.
根据材料内容,从下面五个选项中选出能填入文中空缺处的最佳选项,使文章意思通顺、内容完整。
A. It falls on March 22 each year.
B. China tries to work out this problem.
C. That's almost 9% of the world's population(人口).
D. Only about 3% of the world's water is fresh water.
E. They will take care of all the rivers and lakes in their areas.
36. ____ 37. ____ 38. ____ 39. ____ 40. ____

答案： 36. D 37. C 38. A 39. B 40. E