根据短文内容选择可以填入空白处的最佳答案。(Choose the best answers to complete the passage．)

　　Life is not easy, so I'd like to say“When anything happens, believe in yourself!”

　　When I was a young boy, I was 　　1　　 shy to talk to anyone．My classmates often 　　2　　 me, I was sad but could do nothing．Later, 　　3　　 happened, and it changed my life．It was an English speech contest．My mother asked me to 　　4　　 it．What a terrible idea! It meant I had to speak 　　5　　 all the teachers and students of my school．

　　“Come on, boy．Believe in yourself．You are sure to 　　6　　．”Then mother and I talked about many different topics．At last I 　　7　　 the topic“Believe in yourself”．I tried my best to remember all the speech and practiced it over 100 　　8　　 With my mother's great love, I did 　　9　　 in the contest．I could hardly believe my 　　10　　 when the news came that I had won the first place．I heard the cheers 　　11　　 the teachers and students．Those classmates 　　12　　 once looked down on(瞧不起)me, now all said“Congratulations!”　　13　　 me．My mother hugged me and cried excitedly．

　　　　14　　 then everything has changed for me．When I do anything, I try to tell 　　15　　 to be sure and I will find myself．This is true not only for a person but also for a country．

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阅读下面短文，从四个选项中选择一个正确答案。

　　Life in the 22nd century will be different from life in the 20th century, because many changes will take place in the new century, but what will the changes be?

　　The population is 　　1　　 fast．There will be more and more people in the world and most of them will live 　　2　　 than before．　　3　　 will be much smaller and more useful, and there will be at least one in every home．And computer studies will be one of the important subjects at 　　4　　．

　　People will work fewer hours than they did in tile 20th century, and they will have more free time for sports, 　　5　　 TV and travelling．Travelling will be 　　6　　．And many more people will go to other countries for holidays．

　　There will be changes in our fixed, too．More land will be used for building new towns and houses．Then there will be less room for cows and sheep, so 　　7　　 will be more expensive．Maybe no one will eat it every day, 　　8　　 they eat more vegetables and fruit．Maybe people will be healthier．

　　Work in the future will be 　　9　　, too．Dangerous and hard work will be done by robots(机器人)．　　10　　 this, many people will not have enough work to do．This will be a problem．

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阅读短文，根据其内容，从A、B、C、D四个选项中选择最佳答案。

　　Man has invented four kinds of satellites．The first kind of satellite studies the 　　1　　 of the earth．They are used to make maps．They also help countries to see where they may 　　2　　 oil or gold．

　　The second kind of satellite is used to guide ships and planes．A ship or a plane can 　　3　　 a message to the satellite, and the satellite can find out 　　4　　 the ship or the plane is．

　　The third kind studies the weather．These satellites 　　5　　 clouds and strong winds moving across the earth．They warn countries to make preparations when very 　　6　　 weather is coming．　　7　　 kind is used for communication．Telephone calls 　　8　　 countries can be sent by these satellites．Some can carry hundreds of calls at the same time．The call is sent to the satellite, then the 　　9　　 sends it to a station in the country and this country is being phoned．These satellites also carry pictures; they can receive and send about eight 　　10　　 at a time．

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