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entists l 9 at him at first. But his ideas changed the world, scientists looked at the universe in a n 10 way. Because of him, we have such things as puters, televisions, and space travel today. 2. more 3. slowly 4. until 5. worried 7. things 8. answers 9. laughed 10. new2.Dogs are good pets. They are very f 1 to people and also very beautiful. Most dogs get on very well with c 2 and their parents. Others are good watchdogs because they cry loudly when a p 3 arrives.When you buy a dog, an important thing to think about is its s 4 . Buy a small dog if your home is small and a bigger one if y 5 is larger. Many people don’t know how much to feed their dogs. Dogs eat almost everything! They like meat, rice and lots of other t 6. You can buy lots of food for dogs i 7 shops. Don’t let your dogs eat too much. Feed it only once a day. Always give c 8 water to your dog. It can get thirsty very quickly, especially in s 9 .Remember that dogs need exercise. You should take it for a walk e 10 day. Don’t keep your dog inside all day.1. friendly7. int take your breakfast? A short time a_1__, a test was given in the United States. People of different a_2_ from 12 to 83, were asked to have a test. During the test, these people were given all kinds of breakfasts and s_3_ they got no breakfast at all. Scientists wanted to see how well t_4_ bodies worked when they had different kinds of breakfasts.The results show that if a person e_5_a right breakfast, he or she will work better. If a student has fruit, eggs, bread and milk b_6_ going to school, he will learn more quickly a_7_ listen more carefully in class.The results a_8_ show that having no breakfast will not h_9__ you lose weight(體重). This is because people bee so h__10__ at noon that they eat too much for lunch. So they will gain weight instead of losing weight. 4. their 5. eats 6. before 7. and 8. also 9. help 10. hungry5. Peter works in a factory, and he usually es home at half past six every evening. But he came home early last Friday, and he was very angry. He c 1 the door very hard, went into the sitting room and sat down. His wife was trying on a new blouse when he came into the room. She went to her husband and looked at him for a m 2 . Then she said to him kindly, Why are you a 3 , Peter? Because bus tickets cost three pence last week, but now they cost two pence,he said. But that isn39。t! Tom said, If I can read , do you think I will e here to buy glasses? 7. There are many living things in the air. They can be bad f (1) our food. Some things,such as insects(昆蟲), can be s (2) by (3), like bacteria (細(xì)菌), can be seen only with microscope(顯微鏡). All living things n (4) water. We can k (5) some of our food by d (6) it. Living things can g (7) only at