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The first computer was made in 1946. It was very big but it worked slowly. Today computers are getting smaller and smaller. But they work faster and faster. What can computers do? A writer has said, “People can’t live without computers today.” The Internet came a little later than computers. It is about twenty-five years later than computers. But now it can be found almost everywhere. We can use it to read books, write letters, do shopping, play games or make friends. Many students like the Internet very much. They often go into the Internet as soon as they are free. They make friends on the Internet and maybe they have never seen these friends. They don’t know their real names, ages, and even sex (性别). They are so interested in making the “unreal friends” that they can’t put their heart into study. Many of them can’t catch up with others on many subjects because of that. We can use computers and the Internet to learn more about the world. But at the same time, we should remember that not all the things can be done by computers and the Internet. 61. The Internet cannot be used for __________. A. studying B. shopping C. thinking D. playing 62. When the computer was invented, it was__________. A. large and worked quickly B. small and worked slowly C. large but worked slowly D. small but worked quickly 63. The Internet was born in about __________. A. 1960 B. 1970 C. 1980 D. 1985 64. Which of the following is true? A. Few students like going into the Internet. B. Students use the Internet to make “unreal friends”. C. These “unreal friends” often meet each other. D. Students know the friends on the Internet very well. 65. What does the writer think of the Internet? A. It is wonderful. B. It can make students study harder. C. It is not good for students. D. It is helpful, but we can’t do everything on it. C We know that many animals do not stay in one place. Birds, fish and other animals move from one place to another at a certain time. They move for different reasons most of them move to find food more easily, but others move to get away from places that are too crowded. When cold weather comes, many birds move to warmer places to find food. Some fishes give birth in warm water and move to cold water to feed. The most famous migration(迁移)is probably the migration of the fish, which is called “salmon”. This fish is born in fresh water but it travels many miles to salt water. There it spends its life. When it is old, it returns to its birthplace in fresh water. Then it gives birth and dies there. In northern Europe, there is a kind of mice. They leave their mountain homes when they become too crowded. They move down to the low land. Sometimes they move all the way to the seaside, and many of them are killed when they fall into the sea. Recently, scientists have studied the migration of a kind of lobsters(龙虾). Every year, when the season of bad weather arrives, the lobsters get into a long line and start to walk across the floor of the ocean. Nobody knows why they do this, and nobody knows where they go. So, sometimes we know why humans and animals move from one place to another, but at other times we don’t. Maybe living things just like to travel. 66. Most animals move from one place to another at a certain time to __________ . A. give birth B. enjoy warmer weather C. find food more easily D. find beautiful places 67. The fish called “salmon” spends a long life in __________ . A. salt water B. rivers C. fresh water D. its birthplace 68. The mice in northern Europe move when __________ . A. they give birth B. the weather is bad C. the place gets too crowded D. they haven’t enough food 69. The lobsters move __________ . A. to the fresh water B. to the sea floor C. at a certain time D. to find more food 70. What is the main idea of the passage? A. Animals move in order to find food more easily. B. The migration of the fish called “salmon” is the most famous migration. C. Living things move from one place to another because they like to travel. D. Sometimes we know why and how living things move from one place to another, but sometimes we don’t. D My house is made out of wood, glass and stone. It is also made out of software. If you come to visit, you’ll probably be surprised when you come in. Someone will give you an electronic PIN (个人身份号码)to wear. This PIN tells the house who and where you are. The house uses this information to give you what you need. When it’s dark outside, the PIN turns on the lights nearest you, and then turns them off as you walk away from them. Music moves with you too. If the house knows your favorite music, it plays it. The music seems to be everywhere, but in fact other people in the house hear different music or no music. If you get a telephone call, only the nearest telephone rings. Of course, you are also able to tell the house if you want something. There is a home control console (控制台), a small machine that turns things on and off around you. The PIN and the console are new ideas, but they are in fact like many things we have today. If you want to go to a movie, you need a ticket. If I give you my car keys, you can use my car. The car works for you because you have the keys. My house works for you because you wear the PIN or hold the console. I believe that ten years from now, most new homes will have the systems that I’ve put in my house. The systems will probably be even bigger and better than the ones I’ve put in today. (责任编辑：admin) |