精选优质文档-倾情为你奉上单元评估检测(一)第卷第一部分:阅读理解(共两节,满分60分)第一节(共15小题;每小题3分,满分45分)阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。AEarth Day is celebrated every year on April 22nd.Take some time to find out about how one man,who was determined to change the way we treated our planet,didnt stop until he had made a difference.In 1963,senator(参议员) Gaylord Nelson wasnt happy with the earths condition.He wanted to clean up the planet,solve pollution and environmental problems.A senator is someone US cit