Earth Hour(地球一小时) is a global event organized by World Wildlife Fund (WWF) and it is held

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 to   26  their lights and other electrical appliances(电器) like puters for one hour. In this way, people can pay   27 attention to the climate(气候) change and know that it’s important to save the earth.
Earth Hour first  28  in Sydney in 2007. More cities around the world followed Sydney’s lead in 2008.   29   March 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 many   30  cities in China took the action, too.   31   shops closed and people used candles at home. The UN said that it  32   save the energy(能量).
The world seems to be a dark world   33  the lights are turned off. However, people are trying to do something to save the   34  in such beautiful “dark moment”. This year, WWF encourages people to make a small change for the environment every day. Now,  35   you join us?
【小题1】A．turn onB．turn downC．turn upD．turn off【小题2】A．moreB．littleC．fewD．less【小题3】A．startedB．stoppedC．es outD．begins【小题4】A．InB．AtC．OnD．To【小题5】A．othersB．otherC．the otherD．another【小题6】A．Thousand ofB．Two thousandsC．Thousands ofD．Two thousand of【小题7】A．would helpB．will helpC．has helpedD．helps【小题8】A．so thatB．whenC．untilD．before【小题9】A．shopsB．worldC．citiesD．earth【小题10】A．doB．couldC．mayD．areD