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| A new term has begun. Teachers are 1 about the fact that new students are not easy to handle. They like to bring cellphones and MP3 players to school. What is 2 , some students even use cellphones to do with out-of-class matters in class, or sometimes just for fun. Some other students listen to MP3 players when they are having a lesson that they are not interested in. Are these new students really that 3 ? "Yes," says Delaney Kirk, a professor at Drake University. 4 she adds it's not their fault. Instead, the things that they bring into school-cellphones, MP3 players and so on-and the teachers are to blame. Kirk first began thinking about students' manners six years ago. "I had my first class in which students were sleeping or talking to each other. It seemed that learning well 5 nothing to do with them," she says. "At first, I got worried about this, but then I said to myself, 'You're teaching 6 , and you need to manage this … These students need to know more about manners. It's time to help them develop some good 7 . They shouldn't waste time doing nothing when they are young. Sooner or later, they might regret the time they have wasted.'" Kirk also 8 a list of suggestions to help teachers better manage their classes. The following are among her suggestions: ● Tell students how they will benefit by taking the class. On the first day of class, emphasize its importance 9 giving some homework that students must turn in next time. ● Do not allow them to bring cellphones and MP3 players to the class at all. ● Decide 10 formal and informal the class will be. | ||||
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| Scientist Without Laboratories When you hear the word "scitentist", what do you think of? Many people think scientist are people in clean white coats who work in labs. And some scientists do work in labs. But there are 1 scientist who work in woods and jungles. These scientists are called "animal behavior (行为) scientists", and they study animals as they live in nature. Why don't these scientists catch animals and study them in zoos? The 2 is in the word"behavior". Animals behavior scientists want to learn 3 animal behave in their wild homes. When animals live in cages (笼子) or in zoos, they do not act the same as they do when they are 4 . They may fight 5 each other, or they may not eat, or they may not raise (抚养) their babies as they usually would. To see real animal behavior, scitentists must go where the animals 6 . So animal behavior scientists go into the jungles, the woods or the desert. There, their most important 7 are their eyes and ears. They watch and listen to the animals very 8 . They write down everything that happened in notebook. 9 they live near the animals, the scientists are careful not to frighten them. If the scientists are luncky, the animals will 10 no attention to them. Then the scientists can see how the animals really live. The behavior scientists hope what they've learned about animal behavoir can provide clues (提供线索) to help people learn to live together more happily. | ||||
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Many people are 2 when they find that the Internet was set up in the 1960s. At that time, computers were large and expensive. Computers network didn't work 3 . If one computer broke down, then the whole network 4 . So a new network system had to be set up. This was why computer network system would keep on 5 all the time. At 6 the Internet was not only used by the government, but in the early 1970s, 7 , hospitals and banks were allowed to use it, too. However, computers were still very 8 and the Internet was difficult to use. By the start of the 1990s, computers became cheaper and easier to use. Scientists has also 9 software (微软) that made "surfing" the Internet more convenient. The Internet has now become one of the most important parts of people's life. Today it is easy to get on-line (上网) and it is said that 10 of people use the Internet every day. Sending e-mail (电子邮件) is more and more popular among students. |