1、BOOK3UNIT1补充练习APeople are overweight for many reasons, the most important one of which is that they eat the wrong foods, get the wrong types of calories per meal, and they also eat meals at the wrong time each day. Food is more powerful than any weight loss pill, because the food that you eat can ei
2、ther make you thin or fat. This is true because your body is like an engine, and it only needs certain foods at certain intervals(间隔) each day.Low-calorie Diets Do Not WorkThe reason people cannot lose weight by starving themselves is that their metabolism(新陈代谢) will detect any major drop in calorie
3、s and it will then adjust itself by burning fewer calories each day. That is the reason why you can eat 1,000 calories per day and not lose any weight, while your friends can eat 2,500 calories per day and not gain any weight.Low-fat Diets Do Not WorkMany people in todays society are buying mostly l
4、ow-fat or non-fat food at the grocery store. Everybody knows how much fat is inside the food they buy. However, people are getting fatter than ever before by doing this. They are not losing weight by changing to this low-fat lifestyle.Losing weight has nothing to do with these things. One of the mos
5、t important things you can do to control your weight is to eat the proper foods, such as fruit and vegetables, eat them at the right time, and exercise every day. If people make this a habit, they will lose weight.1. What is the main reason why people are overweight?A. They burn many calories every
6、day. B. They eat the wrong foods at the wrong time. C. They eat food with lots of calories. D. They dont take weight loss pills. 2. The article is written in order to_. A. tell readers not to buy low-fat or non-fat food. B.tell readers about an important scientific discovery. C .tell readers how to
7、lose weight. D. call on people to lose weight and stay healthy.3. To realize the aim of your weight loss plan, you should_.a. do exercise every day b. eat meals at the right time c. eat fruits and vegetables d. eat low-fat or sweet foode. eat the proper foods at each mealA. a, b, c, e B. a, b, d, e
8、C. a, c, d, e D.a, b, c, d BHealth experts have long known that vitamin D is important for healthy bones and teeth. It may also help to protect the body against diseases such as diabetes(糖尿病) and cancer. And now, researchers say vitamin D might help fight brain diseases called dementia (痴呆). Dementi
9、a is a brain disease that damages thinking and memory processes, which scientists call “cognitive (认知) abilities.” Dementia is difficult to treat. Taking care of someone who has dementia is extremely demanding. And the disease is very frightening to sufferers. Chris Roberts suffers from dementia. He
10、 says the worst part of living with this disease was getting lost while driving. “The worst thing that I found was getting lost in the car, not just forgetting where I was going I wouldnt know where I was.” More than 47 million people around the world suffer from dementia. The World Health Organizat
11、ion reports that 60 percent of them live in low- and middle-income countries. We get vitamin D from some foods like nuts, lentils (扁豆) and fatty fish. We also get vitamin D from the sun. But that is not dependable. In some parts of the world, there is not enough sunlight to provide enough vitamin D.
12、 Also, sunblock prevents the vitamin from entering the body. To add to the problem, the skins ability to process vitamin D weakens as a person ages. Researchers at Rutgers University in New Jersey are exploring the relationship between vitamin D and dementia. The team recently measured vitamin D lev
13、els and cognitive ability in older people. Nutritional sciences professor Joshua Miller led the team. He said cognitive abilities differed among the study subjects. He said tests showed that about 60 percent of the group was low in vitamin D.4. Which of the following is true about vitamin D? A. Vita
14、min D can decrease peoples risk of heart diseases. B. Vitamin D helps the body fight against cancer. C. Vitamin D is mainly obtained from the sun. D. The need for Vitamin D decreases as people age. 5. What does the underlined word “demanding” mean in Paragraph 2? A. Boring but rewarding. B. Disturbi
15、ng and frightening. C. Disgusting and stressful. D. Hard and tiresome.6. What does Paragraph 3 mainly talk about? A. How vitamin D affects peoples health. B. Where people get vitamin D. C. Whether sunlight can produce vitamin D. D. Why peoples age influences the production of vitamin D.7. Where can
16、we most probably read the passage? A. In a travel brochure. B. In a literature magazine. C. In a science journal. D. In a commercial advertisement.一单词拼写1. When asked about the secret about staying young, he said a balanced diet _ (结合)with proper exercise was the recipe for a healthy life.2. We shoul
17、d spend the money on something that will _(有益于)everyone.3. Ill help as much as I can, but there is a _(限制)to what I can do.4. When Mary walked in, she _ (怒视)at me without a word.5. We give a special _ (折扣)of 10 per cent for cash.6. The postman asked me to _(签字)for the letter.7. I remember her as a _
18、(苗条的) young girl.8. The so-called millionaire was heavily in _(债务).9. The book is of great value. Nothing can be enjoyed unless you _(理解,吸收) it.10. Mum put down the phone,_ (叹气) and shook her head sadly.11. The party lost because it failed to _(平衡)economic growth with social equity.12. Just to satis
19、fy my _(好奇心) - how much did you pay for your car?13. There is a _(缺点) in the design of the machine.14. I have hardly enough _(力气)left to move my feet.15. If you wish good advise,_(咨询) an old man.二短语互译1.应当；应该 _ 2.体重减轻；减肥 _ 3.说谎 _ 4.赢回；重新获得 _ 5.削减；删节 _ 6.谋生 _ 7.欠债 _ 8.不久以后 _ 9. spy on _ 10. put on wei
20、ght _ 11.balanced diet _ 12.get away with _ 13 out of curiosity _ 14. combinewith _ 15. glare at _ 三语法填空The giant panda 1_(love) by people throughout the world. Chinese scientists 2_ (recent) had a chance to study a wild female panda with a newborn baby. She was a very 3_(care) mother. For 25days, s
21、he never left her baby, not even to find something 4_(eat)! She would not let any other pandas come near. She licked the baby constantly to keep it clean. Any smell might attract natural 5_(enemy) that would try to eat the little comforting pats. The mother held the baby in her front paws much the w
22、ay a human does. 6._ it cried, she rocked it back and forth and gave it little comforting pats. The mother continued to care for the young panda 7_ more than two years. By that time, the panda no longer needed 8._ (it) mother for food. However, it stayed with her and leaned about the ways of the for
23、est. Then, after two and a half years, the mother9._ (drive) the young panda away. It was time for her to have a new baby, 10._ it was also time for the young panda to be independent.四短文改错Dear Tricia,Ive come back home safely. Looked back to my stay in Britain, I felt so happy and satisfying. The be
24、autiful scenery and friendly people impressed myself a lot. I also benefited a lot of from learning together with local students. More importantly, your help and kindness made easier for me to have a better understanding of British culture and adapt to the life here. So Im so grateful for you. By the way, attached to the letter is two photos taken with you, which I believe will remind you of the happy times we spent together. You are expected to come to China soon.Looking forward to hear from you.YoursLi Hua
