2020--2021学年人教版必修一Unit,4,Earthquakes,Grammar课时作业

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　Unit 4 Earthquakes Grammar 课时作业 第一节完形填空 从 阅读下面短文，掌握其大意，然后从 1—15 各题所给的 A 、B 、C 和 和 D 项中，选出最正确选项。

　Healthy eating is important. Over the past ten years, people have increasingly realized they need to change their eating habits, because much of the food they eat does no___1___ to their health. As a result, there has been a growing interest in ___2___ foods: foods which do not contain chemical additives(添加剂); foods which have not been affected by chemical fertilizers widely used in___3___ today. Natural foods are vegetables, fruit and grain grown in their natural way. The

　___4___ soil is full of organic matter because people use organic fertilizers . It is the organic fertilizers that___5___ the soil with vitamins and minerals. Differently, there is only the ___6___ of chemical fertilizers in the commercial farming. It is merely to increase the amount of foods—not the___7___ . Natural foods also include animals. These animals have been allowed to feed and move ___8___on healthy farms. This is different from what happens in the mass production such as ___9___ farms. There thousands of chickens live ___10___ together in one building and are fed on rubbish food. Chickens there are not only tasteless as food; they also produce eggs which___11___ important vitamins.

　There’re other sides of healthy eating. They’re now getting more attention of experts on ___12___ ---- people who suggest balanced meals. Take the problem of ___13___ for example. This is actually unnecessary food. Although sugar itself is not harmful, it does seem to be addictive(上瘾的), so the quantity we use has ___14___ steadily over the last two centuries! Yet it only provides us with ___15___, in the form of calories. There are no vitamins in it, no minerals, and no fibre. 1 .A. benefit

　B. good

　C. harm

　D. support

　2. A. healthy

　B. nice

　C. nutritious

　 D. natural

　 3. A. farming

　B. industry

　 C. fishing

　D. forestry

　4. A. plenty

　 B. rich

　 C. enough

　D. adequate

　5. A. makes

　 B. offers

　 C. provides

　 D gives 6. A. use

　B. presence

　 C. appearance

　 D. improvement

　7. A. quantity

　B. taste

　C. health

　D. quality

　8. A. carefully

　 B. peacefully

　C. aimlessly

　 D. freely

　9. A. wildlife

　B. chicken

　 C. farmers

　D. vegetables

　10 A. crowded

　B. excited

　C. terrified

　D. frightened

　11 A. lack

　 B. contain

　C. have

　 D. get

　12. A. diet

　B. growth

　C. medical

　D. products

　13. A healthy eating

　B. natural foods

　 C. sugar

　D. chicken 14. A. developed

　 B. grown

　 C. spread

　 D. behaved

　15. A. food

　 B. energy

　 C. strength

　D. power

　第二节语法填空 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

　Li Daiyu and Liu Qin were on a trip to Canada to visit 16____ cousins on the Atlantic coast. Rather than take the aeroplane all the way， they 17_______ (take) the train west to east across Canada. The thought 18 ____ they could cross the whole continent all the way was exciting. Canada is the second 19______ (large) country in the world. People say Vancouver is Canada’s most beautiful city 20__________ (surround) by mountains and the Pacific Ocean. On the northern coast of Vancouver, 21___ is so wet there that the trees are 22_________ (extreme) tall. That afternoon aboard the train， the cousins settled 23_____ in their seats. They knew cowboys from all over the world compete in the Stampede. Many cowboys have a gift 24___ riding wild horses. They also learned that most Canadians live within 320 kilometers of the USA border 25____ the population is only slightly over thirty million. 第三节. 填空 A ．根据句意及所给单词的汉语意思写出单词或词组，并以该词的正确形式完成以下句子。

　26. In the USA, Columbus Day in memory of the ________________(到达) of Christopher Columbus in the New Word.

　27. The most energetic and important festivals are the ones that ________________(盼望) the end of winter and to the coming of spring. 28. ____________(好奇) drove Wang Peng inside. It was full of people. 29. Perhaps with a discount and a new sign he could ________ his customers _______(赢回). 30. Please _______________(允许) me to lead the way. 31. They are putting too much carbon dioxide into the atmosphere, which __________ heat ____________ escaping from the earth.(阻止) 32. Water had also appeared on the other planets like Mars but, _________(不像) the earth, it had disappeared later. 33. We watched, amazed as fire _______________(爆发) on the outside of the spaceship as the earth’s gravity increased. 34. _____________ 〔而不〕take the aeroplane all the way, they decided to fly to Vancouver and then take the train from west to east across Canada. 35. Most of us speak both English and French, but the city has French culture and

　__________________(传统)。

　B ．根据句意选出短语并以其恰当形式填空〔注意有三项剩余〕。

　play a trick on

　brought up

　 by accident

　 benefits

　violent

　 admire

　fundamental

　puzzle

　 existed

　 strength

　 unbelievable

　wealthy

　telling lies

　36. Dinosaurs laid eggs too and ______________ on the earth for more than 140 million years. 37. Around noon they arrived in Toronto, the biggest and most ___________ city in Canada. 38. He could not have Young Hui getting away with _____________ people _________. 39. I don’t want to upset you, but I found your menu so limited that I stopped worrying and started advertising the _____________ of my food. 40. If the neighbors do not give any sweets, the children might __________________ them. 41. China and Japan have mid-autumn festivals , when people _________ the moon in China , enjoy mooncakes. 42. Mark Twain was _____________in Hannibal, Missouri, along the Mississippi River. 43. As a matter of fact, I landed in Britain _________________. 44. The earth became so _________ that it wasnor clear whether the shape would last or not. 45. It was not immediately obvious that water was to be _________ to the development of life. 第四节. 书面表达 假设你是学校自行车俱乐部的成员，刚参加了一项郊游活动。请根据以下内容，为你校报写一片简讯。

　时间 4 月 21 日， 周日 人物 自行车俱乐部全体 25 名成员 行程 1. 7：45 在校门口集合，8 点出发； 2. 9：00 到达华南植物园：参观各种珍惜植物， 增进对在自然的了解； 3. 继续骑自行车半小时至龙洞：野餐、垂钓。

　收获 接触大自然， 呼吸清新空气，强化了环保意识。

　评分标准:句子结构准确，信息内容完整，篇章结构连贯。

　参考 答案 第一节完形填空 本文是说明文，介绍了人们意识到改变饮食*惯，选择有机产品的必要，并从有机食品生产过程分析，指出有机食品的优点。最后以糖为例，说明健康饮食的其他方面。〔实际建议不要吃太多的糖〕

　1. B 句意，人们逐渐意识到他们必须改变*惯，因为加工的食品对健康无益 do no good to sb/sth。

　2. D

　照应下文从句；以下两段也都提到 natural foods。

　3. A

　 化肥用于农业生产〔farming〕。

　4. B rich soil 沃土…照应下文 the soil is full of organic matter…。

　5. C

　 短语 provide sb\sth with sth 给土壤提供矿物质。

　6. A

　 句意

　the use of sth；化肥的使用照应上文 use organic fertilizers。

　7. D

　 照应上文追求质量而不是数量。

　8 . D

　 该段讲有机农场和批量生产的不同有机农场的动物自由进食自由走动feed and move freely。

　9. B

　 根据下文提到的 chickens 。

　10. A

　 批量生产的地方，鸡群挤在一起，与上文 freely 形成比照。

　11. A

　 句意批量生产的鸡缺少营养。

　12. A

　 照应从句 who suggest balanced meals, 选 experts on diet。

　13. C

　 照应下文讲到的糖的问题。

　14. B

　 照应前句糖上瘾，糖的产量稳步上升。

　15. B

　 糖提供的是能量 energy, 照应 in the form of calories。

　语法填空 16. their

　17. took

　 18. that

　19. largest

　 20. surrounded

　21. it

　 22. extremely

　23. down 24. for

　 25. and 填空 A 26. arrival

　27. look forward to

　 28. Curiosity

　29.win back

　 30. permit 31. prevent from

　32. unlike

　33. broke out

　 34. Rather than

　35. tradition B 36. existed

　37. wealthy38. telling lies

　 39. benefits40. play a trick on 41. admire

　42. brought up

　 43. by accident

　 44. violent45. fundamental 书面表达

　 Last Sunday, April 21, all members of our school bicycle club including myself went on a wonderful trip. We gathered at the school gate at 7:45am, and set off at 8:00am. After arriving at

　the South China Botanic Garden at 9:00am, we explored the park’s amazing collection of rare and precious plants, which broadened our understanding of nature. Then we spent half an hour riding to the LongdongReservior, where we enjoyed picnic lunch and some fishing . Through these activities, not only did we get closer to nature and breathe fresh air, but also we strengthened our awareness of the need to protect the environment.

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