阅读下面的短文，然后根据短文内容，在每小题所给的四个选项中选出最佳选项。

　　Space travel is nothing new．The first spacecraft with a human was sent up into space in 1961．

　　Since then, people have not only traveled to space, but many of them have also lived there in space stations for some time．

　　The Soviet Union(前苏联)sent the first space station into space in 1971．This space station was called Salyut I．Salyut I was designed as a place where people could live while they observed space and did experiments．The first group of astronauts lived there for 23 days．The Soviet Union went on to make seven more Salyut space stations．At about the same time, the United States built its own space station, called Skylab．

　　Astronauts visited and often lived in these space stations for a short time．However, it wasn't until the late 1980s when the Soviet Union sent the Mir space station that people began to live in space for a longer time．Mir stayed in space from 1989 until 2001, when it was decided that the space station was too old and no longer safe to live in．

　　Living in apace stations seems to be fun, but astronauts face many problems．One of them is food．All the meals on space stations are put together on Earth and sent there by space shuttle．Because the food has to last a long time(sometimes up to three months), a lot of it has to be stored in cans．The space station does not have a fridge, but it has a cool room to keep fruit and vegetables fresh．Astronauts also eat many other foods such as dried meat that do not need special care．

　　Without the help of gravity, sitting down to eat can be tough．Astronauts sometimes have to fix themselves to the wall while eating．They also have to be very careful to that food does not float away．

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完形填空，阅读下面的短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。

　　Many people like to search the Internet．Exploring the Internet is one of the most important activities of the day．The Internet 　　1　　 the outside world closer to people's homes．Some people say the world is 　　2　　 than before because of the Internet．

　　What's going on in 　　3　　 countries? How do people live in the places far away? Is there a good sports game 　　4　　 ? What's the life like in the 　　5　　 part of the sea? 　　6　　 you want to answer all these questions, 　　7　　 come to the Internet．Of course, people can also learn 　　8　　 reading or listening to the radios．But with the Internet they can learn better and

　　more easily．A lot of 　　9　　 can be collected at a great speed．

　　Can we go shopping without leaving 　　10　　 ? Can we see a doctor without going to the hospital? Can we 　　11　　 without going to school? Can we draw(取出)money without going to a 　　12　　 ? All these things seemed to be impossible, but now they have become quite 　　13　　 The Internet helps us open our eyes, it also helps us open our 　　14　　．The internet often gives us new ideas．In a word, it helps us in many 　　15　　．Great changes have taken place in our life since the use of the Internet．

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完形填空

　　Mental health is about the way you think and feel and your ability to deal with ups and downs．Even though you are mentally healthy, it doesn't 　　1　　 that you don't have a menta1 health problem．

　　Mental health is everyone's business．We all have times when we feel down or 　　2　　．Most of the time those feelings pass，　　3　　 sometimes they develop into a more serious problem．It seems that our mental health doesn't always stay the same．It can change as the environment changes and as you move 　　4　　 different stages(阶段)of your life．

　　Here are four practical 　　5　　 to look after your mental health．Making simple changes to how you live doesn't cost much or take up lots of time．Anyone can 　　6　　 them．

　　●Talk about your feelings．It can help you stay in good mental health．It isn't a sign of 　　7　　, but part of your ability to do what you can to stay healthy．

　　●Eat well．What you eat and how you feel are 　　8　　 connected．A proper diet can have a good effect on your mental health．

　　●Keep in touch．Friends and family members can offer 　　9　　suggestions which may help you keep active and solve practical problems．

　　●Take a break．It could be a weekend 　　10　　 new places to enjoy the nature, or even a ten-minute break from doing your homework．A few minutes can be enough to relax you．

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阅读理解

　　There have been many great inventions, things that changed the way we live．The first great invention was one that is still very important today-the wheel．This made it easier to carry heavy things and to travel long distances．

　　For hundreds of years after that there were few inventions that had as much effect(影响)as the wheel．Then in the early 1800’s the world started to change．There was little unknown land left in the world．People didn’t have to explore(探测)much any more．They began to work instead to make life better．

　　In the second half of the 19th century many great inventions were made．Among them were the camera, the light and the radio．These all became a big part of our life today．

　　The first part of the 20th century saw more great inventions．The helicopter in 1909．Movies with sound in 1926．The computer in 1928．And jet planes in 1930．This was also a time when a new material was first made．Nylon came in 1935．It changed the kind of clothes people wear．

　　By this time most people had a very good life, Man has a desire to explore again, The world was known to man but the stars were not．Man began looking for ways to go into space．Russia made the first step．Then the united States took a step．Since then other countries, including China and Japan, have made their steps into space．

　　In 1969 man took his biggest step from the earth．Americans first walked on the moon．This is certainly just a beginning thought．New inventions will some day allow us to do things we have never yet dreamed of．

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