閱讀理解（四）On Sunday , April 22, people all over the world take time out to appreciate ( 珍惜 ) the earth that we all share. Its Earth Day, a special day to learn about our planet ( 星球) and how to take care of it.On Earth Day, some people listen to speeches about the environment. Others help clean up their offices or save water and electricity at home. Your parents may even decide to take a day off from driving their cars.The idea for Earth Day came from a U.S. Senator (參議員) ，who was worried about pollution and the health of plants and animals. And the idea quickly caught on ( 流行起來). In 1970, the first Earth Day was celebrated. More than 20 million people in cities all over the U.S. took part . Since then, Earth Day has been used to educate people about their role in taking care of our planet.Now , Earth Day has become a global celebration. In 1990, 200 million people from 140 countries took part in clean-ups, tree planting and other environmental events on Earth Day【小題1】When is Earth Day?【小題2】Who came up with the idea for Earth Day?【小題3】How many people celebrated the first Earth Day in 1970 ?【小題4】Is Earth Day popular around the world now ?【小題5】What is Earth Day?解析：【小題1】April 22.【小題2】A U.S.Senator.【小題3】More than 20 million.【小題4】Yes , it is【小題5】Its a special day to learn about our planet and how to take care of it.試題分析：4月22日星期日是地球日，在這一天，世界人民拿出一天時間去珍惜我們共同擁有的地球。地球日是一個讓我們了解地球和如何愛惜地球的特殊日子。地球日的想法出自一名美國議員，他非常擔(dān)憂人口和動植物的健康。人們在這一天會聽關(guān)于環(huán)境的演講，會打掃辦公室或在家節(jié)約水電。第一屆地球日是在1970年，來自美國各城市的2000多萬的人們參加了此次慶?；顒樱缃?，地球日也成為全球人民的慶祝日。小題1:考查連詞。句意：地球日是哪一天？根據(jù)On Sunday , April 22, people all over the world take time out to appreciate ( 珍惜 ) the earth that we all share.4月22日星期日，世界人民拿出一天時間去珍惜我們共同擁有的地球，可知地球日是4月22日星期日，故填A(yù)pril 22。小題2:考查虛擬語氣。句意：誰想出地球日這個主意的？根據(jù)The idea for Earth Day came from a U.S. Senator地球日的想法出自一名美國議員 ，故填A(yù) U.S.Senator。小題3:考查形容詞。句意：1970年有多少人慶祝第一屆地球日？根據(jù)More than 20 million people in cities all over the U.S. took part 來自美國各城市的2000多萬的人們參加了此次慶祝，可知參加第一次慶祝的人有2000多萬，故填More than 20 million。小題4:考查代詞。句意：如今地球日世界流行嗎？。根據(jù)Now , Earth Day has become a global celebration.如今地球日已經(jīng)成為全球慶祝日了，可知答案是肯定的，故填Yes , it is。小題5:考查代詞。句意：什么是地球日？根據(jù)Earth Day, a special day to learn about our planet ( 星球) and how to take care of it.地球日，是一個了解地球和如何愛惜地球的特殊日子，可知答案填I(lǐng)ts a special day to learn about our planet and how to take care of it.3