精选优质文档-倾情为你奉上 】9初中英语知识点阅读理解记述文精选专题练习【 ) 含答案考点及解析( _ 分数：_ 姓名：:_ 班级 Every year on April 22, People all over the world celebrate Earth Day. It is a time to work to keep 1.our earth clean. People plan projects to clean up the land, air and water.U.S. Senator Gaylord Nelson first thought of the idea for Earth Day in 1962 when he saw polluted rivers and cities with smoke. He needed to get support from Americans to clean up the earth. Finally, o
