完形填空EarthHour(地球一小时)isaglobalevent

完形填空Earth Hour(地球一小时) is a global event organized by World Wildlife Fund (WWF) and it is held on the last Saturday of March every year. It asks people to1their lights and other electrical appliances(电器) like puters for one hour. In this way, people can pay2attention to the climate(气候) change and know that it’s important to save the earth.Earth Hour first3in Sydney in 2007. More cities around the world followed Sydney’s lead in 2008. 4March 28, 2009, 88 countries and more than 4,000 cities joined Earth Hour. From 8:30 p.m. to 9:30 p.m., Beijing, Dalian, Hangzhou, Hong Kong and many5cities in China took the action, too. 6shops closed and people used candles at home. The UN said that it7save the energy(能量). The world seems to be a dark world8the lights are turned off. However, people are trying to do something to save the9in such beautiful “dark moment”. This year, WWF encourages people to make a small change for the environment every day. Now,10you join us?1.A.turn onB.turn downC.turn upD.turn off2.A.moreB.littleC.fewD.less3.A.startedB.stoppedC.es outD.begins4.A.InB.AtC.OnD.To5.A.othersB.otherC.the otherD.another6.A.Thousand ofB.Two thousandsC.Thousands ofD.Two thousand of7.A.would helpB.will helpC.has helpedD.helps8.A.so thatB.whenC.untilD.before9.A.shopsB.worldC.citiesD.earth10.A.doB.couldC.mayD.are