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1、单元知识滚动练（Unit 2复习强化】I .单词拼写1. The young man is ambitious and he is more likely to succeed.2. Some insects take on the colour of their surroundings to protect themselves.3. There is convincing evidence of a link between exposure to sun and skin cancer.4. Praising the effort and not the outcome（结果）can
2、also mean recognizing your child.5. Both teams train for two hours a day and participat口（参力Fl） in competitions regularly.6. They are seeking the most reasonable（合理的）diet which will do good to their health.7. This will enable the audience to sit in comfort（舒适）while they are watching the shows.8. Our
3、expenses have been decreased to 300 from Y400 per month, decreased by 100. IL单句语法填空My father has been engaged in farming since he retired at the age of 60.9. The children do not know how to behave themselves（them） decently.10. You also need to judge the quality and depth of your motivation （motivate
4、）.11. We have a lot in common； that is where we can cooperate with each other.12. Here I will stress some smarter and more creative examples of climate adaptation（adapt）.13. No matter what you like to do, there is a way to get involved in various activities on Earth Day.14. To my delight, I was chos
5、en from hundreds of applicants（apply） to attend the opening ceremony.15. Studies show that people who volunteer are less likely to be depressed（depress） than people who don t.Unit 3巩固落实】in.单词拼写16. Chewing food with an open mouth is usually considered impolite.17. Vegetarians live purely on fruit and
6、 vegetables and never eat any meat.18. His fundamental（根本的）mistake was to rely too much on other people.19. I am not willing to cooperate with him because he is always playing tricks on me.20. The students are debating with the college over the price of food in the canteen.21. Some stars fame is not
7、 consistent致的）with their behavior, which often lets the fans down.22. It is widely acknowledged that students should be evaluated in terms of overall（综合的）quality.23. The price is somewhat(有点)higher than I expected.IV.单句语法填空Most energy in the world is consumed(consume) by some developed countries, Am
8、erica and Japan, for example.24. The scheme offers an ideal opportunity for youngsters to get training.25. She stood out at the party by dressing simply and elegantly(elegant).26. The number of calories(calorie) in different brands of drinks varies greatly.27. At a minimum, she spends 1,000 dollars
9、on paying for her tutor? s fees every month.28. A medical team consisting(consist) of 126 doctors and nurses flew to Wuhan before daybreak.29. Many old ladies have been tricked(trick) into buying these products which are useless.30. I am in a hurry, so please come to the point immediately.V.完成句子Yest
10、erday afternoon， I did go to the park.昨天下午，我确实去过公园。31. Tired and hot, we had to stop to have a break.又累又热，我们只好停下来休息。32. The fact that there is too much haze io Beijing makes some experts worried.北京有太多雾霾这个事实让一些专家感到担忧。33. Whilv/Althouuh/Though she is a lovely girl, sometimes she can be extremely diffi
11、cult to work with.虽然她是个可爱的姑娘，但有时很难与她共事。34. It s better to write down everything you know regardless of what has been asked.最好把你所知道的统统写在纸上，不管被问到什么样的问题。VI .单元语法用所给单词的正确形式填空Before he was born, his grandfather had passed(pass) away.35. If I had asked(ask) for directions， I wouldn? t have got lost.36. Al
12、l the preparations for the task had been madr(make) before the manager arrived.37. A rescue worker risked his life saving two tourists who had been trapped(trap) in the mountains for two days.38. They became homeless due to their wrong investment.Their savings had been used(use) up before they could
13、 find a lawyer.【能力提升】vn .阅读理解While growing up, children undergo a growth spurt.They gain approximately 20% of their adult height, and about 50% of their adult weight during the adolescence period.The growth process is very rapid during this period, and the need for good quality and health food incre
14、ases sharply.The main nutrients needed during adolescence are calcium and iron.However， parents should concentrate more upon giving complete and planned food to their children when they are growing up.It is important to know what nutrients play an important part in determining proper growth of body
15、structure and healthy minds.CaloriesDuring adolescence boys need between 2,500 to 2,800 calories each day, while girls need approximately 2,200 calories.The calorie content can be best obtained from sources such as low-fat dairy products, whole grains, fruits, and vegetables.ProteinFor proper body g
16、rowth and good muscle tone,45 to 60 g protein per day should be provided in the daily diet.lt is possible to get protein from meat, fish, and dairy products.Vegetarians should obtain protein from non-animal food sources such as soy, nuts, and beans.CalciumLack of calcium can lead to weakness in bone
17、s, and even osteoporosis（骨质疏松症）in later life.Calcium is very important, and if abundant quantity cannot be availed from daily food, the lack of calcium should be compensated（补偿）through supplements.About 1,200 mg of calcium is needed each day, and should be ideally obtained from dairy products, calci
18、um-fortified fruit juices, cereals, and other sources of calcium-rich foods like sesame seeds as well as leafy vegetables like spinach.IronLack of iron may lead to conditions like tiredness, anemia（贫血症），and physical weakness.Boys require approximately 12 mg every day, while teenage girls need 15 mg
19、since they tend to lose iron during the menstrual（月经的）cycle.语篇解读本文是一篇说明文，文章主要介绍了青少年时期的营养需求。39. Which of the following food can provide calories, protein and calcium at the same time?A. Whole grains.B. Vegetables.C. Dairy products.D. Fruit juices.K答案1cK解析U 细节理解题。由 Calories 局部中的 “The calorie content c
20、an be best obtained from sources such as low-fat dairy products? , Protein 每F分中的 “get protein from meat, fish, and dairy products v 和 Calcium 局部中的 “About 1,200 mg of calcium is needed each day, and should be ideally obtained from dairy products ”可知，奶制品能够同时提供热量、蛋白质和钙，所以选C。40. All of the following are
21、 main sources of calcium EXCEPT .A. meatB. cerealsC. spinachD. sesame seedsK答案工AK解 析I 细节理解题。由 Calcium 局部中的“obtained from dairy products, calcium-fortified fruit juices, cereals, and other sources of calcium-rich foods like sesame seeds as well as leafy vegetables like spinachv可知,谷物、菠菜和芝麻都是钙的主要来源，没有提
22、到肉类,所以选 AoTeenage girls need more iron intake than teenage boys because they .A. eat less and are weak in bonesB are physically weaker than teenage boysC. need less calories than teenage boysare likely to lose iron during the menstrual cycleK答案DK解 析U 细节理解题。由文章最后一段中的 u.while teenage girls need 15 mg
23、since they tend to lose iron during the menstrual（月经的）cycle”可知,青春期的女孩子比男孩子需要摄入更多 的铁，因为她们会因月经而流失铁，所以选D。41. This passage mainly tells us .A. healthy issues for adolescentsnutritional needs for adolescentsC nutritional problems for adolescentsD. different food resources for adolescentsK答案BK解析 主旨大意题。文章主
24、要介绍了青少年时期的营养需求，所以选B。VDL七选五A Long and Healthy LifeEveryone wants to be healthy and live a long time. 47 Some years ago, a 90-year-old American writer gave some advice for a long and healthy life：Believe in yourself. Keep your mind active. Be positive（乐观的）. Love people and enjoy helping others.The wom
25、en of Okinawa, in Japan, are another great example. 48 Their secret? They exercise every day, they don t have much stress in their lives, and, in general, they are positiveand active.But of course, diet is important, too. 49 They eat some meat, but they don, t eat any fat from the meat.And they eat
26、seaweed（海藻）.This is good for the heart.The Mediterranean diet is very healthy, too.It includes vegetables, tomatoes, fish, beans, cheese and rice. 50 It comes from olive oil and from fish.So, what do these two diets tell us?Don t eat any bad fats-like fats in sweets, fried food and meat.Eat healthy
27、vegetables, fruit and rice. 51 If you use oil, use a good one like olive oil.And avoid deep-fried food!If you re a little hungry, eat an apple or a carrot-not a bag of potato chips!Eat well, live an active and stress-free life, and you 11 live a long time.A. But how can we do it?B. The fat in this d
28、iet is good fat” .C. Be active and do exercise every day.D. Don t use too much oil when cooking.E. Why do the Japanese women live the longest?F. The Okinawa women eat fish, green vegetables, carrots, fruit and sweet potatoes.G. They live a long time, they are very healthy and they don t have many di
29、seases or heart problems.语篇解读 本文是说明文。怎样才能够健康长寿？本文就此给出了几点建议。47. K答案I AK解 析U 根据文中的 uEveryone wants to be healthy and live a long time.” 与 “Some years ago.advice for a long and healthy life”可知，横线处应该是对如何能够健康长寿提出的疑问， 应选Ao答案GK 解 析 U 根据上文中的 “The women of Okinawa, in Japan, are another great example. 可 知，空处
30、应是对冲绳的女人们的健康长寿情况的介绍。故G项符合此处语境。48. K答案HFK解 析X联系语境及上文中的But of course, diet is important, too.v可知，饮食健康是冲绳女人长寿的一个重要原因，F项介绍了冲绳女人的饮食，故应选F。49. K答案UBk解 析X 根据下文中的aIt comes from olive oil and from fish.可知，地中海饮食中的脂 肪是从橄榄油和鱼中获取的，所以是健康的。50. 答案 UDK解 析U 下文中的“If you use oil, use a good one like olive oil.And avoid deep-fried food! 与D项“做饭不要用太多油”相呼应。