【文章內(nèi)容簡介】 is pocket money— 50 cents. The two men finally left at 3 . They said, “ Will you open the back door while we take these things to the car, because we don’ t want to wake Mummy and Daddy, do we?” So Russell held the door open for them. He then went back to bed. His parents didn’t know about it until they got up the next day. His father said, “ We couldn’t be angry with Russell because he thought he was doing the right thing.” Luckily, the police caught the two men a week later. 71. In the story, Russell was years old. A. 2 B. 3 C. 4 D. 5 72. Russell’ s mother kept the wallet . A. in a box B. on the table C. in a bag D. under the bed 73. The two men went away from Russell’ s house . A. at two o’ clock in the morning B. at three o’ clock in the morning C. at two o’ clock in the afternoon D. at three o’ clock in the afternoon 74. Russell’ s parents when they knew about it the next day. A. ran after the two men B. punished Russell C. got angry with Russell D. called the police 75. The two men were . A. criminals B. Russell’ s uncles C. policemen D. friends of the family B “ An apple a day keeps the doctor away.” Similarly, if we drink a little more water every day, we may find that we need to go to the doctor a lot less often. A healthy diet( 飲 食 ) is made up of water and a great many different kinds of foods. We know that healthy foods like fruits, vegetables and fish, are important as they provide 10 us with energy and fiber( 纖維 素 ), without giving us too much fat and sugar. But why is water important? The human body needs water to stay alive. Water is important as it carries poisons and waste out of our bodies. However, doctors advise us to drink plenty of water, much more than the small amount(數(shù) 量 ) we need to stay alive. Some doctors believe that water is important for our health in all kinds of ways. They believe that a great many illnesses and health problems starts as a result of dehydration— a lack( 缺 少 ) of water in the body. Most people are dehydrated at least some of time, although they probably don’t know it. It is surprising to learn that if we feel thirsty, we are already in the first period of dehydration. In fact, we are advised to drink water before we feel thirsty. These doctors think that health problems such as headaches, high blood pressure and asthma could be avoided if people drink more water. They also believe that drinking more water can help people who are overweight. Water has no calories(熱量 ) so it will not make us put on weight. If we drink water, we will probably drink less sugary soft drinks such as CocaCola. Doctors also believe 11 that drinking more water may stop people from overeating. They say that many people think that they are hungry when they are, in fact, thirsty. Doctors suggest, therefore, that we eat less food and drink more water. There are still many health problems that cannot be solved by drinking water, so we should not stop going to see the doctor pletely. However, if we make a decision to drink water every day, we may find that we need to go to the doctor a lot less often. 76. From Paragraph 1, we can learn that . A. some doctors don’t like apples B. we get energy and fiber from healthy foods C. it’s very important to save water D. healthy foods give us a lot of fat and sugar 77. The doctors advise us . A. to drink water even if we don’t feel thirsty B. to drink water only when we feel thirsty C. to stay in the first period of dehydration D. to drink a small amount of water every day 78. The word “a sthma” in Paragraph 4 is most probably a kind of . A. food B. illness C. drink D. medicine 79. From Paragraph 4, we can learn that drinking more water can help people . A. sleep well B. have a better memory C. lose weight D. understand things better 80. According to the passage, which of the following is true? A. Water is important because it provides us with fat and sugar. B. We’ll never need to go to the doctor if we drink plenty of water. C. A lot of illnesses and health problems can lead to dehydration. D. Drinking water is important but it can’ t solve all health problems. C In 1826, a Frenchman named Niepce needed pictures for his business. But he was not a good artist. So he invented a very simple camera. He put it in a window of his house and 12 took a picture of his yard. That was the first photo. The next important date in the history of photography(攝影 ) was in 1837. That year, Daguerre, another Frenchman, took a picture of his workroom. He used a new kind of camera and a different process. In his pi