chemical-or-organic-farming

1、1.Find the word or phrase from the text for each of these meaning. _ brown (skin) from spending too much time in the sun. _ to make something or somebody free of _ to become larger in size, number or amount _ to make information and ideas known to many people _ would prefer to _ to try extremely har

2、d to achieve somethingsunburntrid of expandcirculateWould ratherstruggle _ to send things to foreign countries for sale _ pleased by having what one wants or needs _ to provide with things necessary for a certain purpose _ plants grown in large amounts by farmers _ because of exportSatisfied withequ

3、ipcropThanks toAnswer key for Ex 2: sold and sent abroad: exported Open conditions : freedom jobs: occupations4. A small Southeast Asian country: Vietnamsickness: disease3. Not having enough food: hunger2. Strong: super races: nationalities information: statistics world: globeKeys to Ex 3.Decade, st

4、ruggle, expanding, Equipped, output, grain, crops, battles, disturbing他的话把我搞糊涂了。他的话把我搞糊涂了。What he said confused me.confused confusingJudging from his _ expression，he didnt understand the _ problem referring to teenagers mental health.confusedconfusingDont confuse the word “weather” with “whether”.把把

5、和和弄混弄混困惑的困惑的令人困惑的令人困惑的confuseconfusion n. confuse A with B后悔后悔你做过的事情没有用。你做过的事情没有用。很遗憾很遗憾，我不能接受你的友好邀请。，我不能接受你的友好邀请。I regret that I am unable to accept your kind invitation.I have always regretted not having studied harder at school.We regret to inform you that your application has not been successful

6、.我们我们很遗憾的通知很遗憾的通知您，您的申请未通过。您，您的申请未通过。让我们让我们深感遗憾的是深感遗憾的是，我们认为明年不能去拜访你了。，我们认为明年不能去拜访你了。We think，much to our regret，that we will not be able to visit you next year.我一直我一直后悔后悔在校期间没能努力学习。在校期间没能努力学习。Its no use regretting what you have done.令人遗憾的是令人遗憾的是regret that从句从句遗憾地说遗憾地说/告诉告诉/宣布宣布/通知通知to ones regretre

7、gret doing/having done sth.后悔做了某事后悔做了某事regret to say/tell/announce/inform遗憾遗憾/后悔后悔Robert is indeed a wise man.Oh, yes. How often I have regretted_his advice!Ato takeBtakingCnot to takeDnot takingD解析：解析：regret (not) doing/having done sth.表表示示“后悔后悔 (没没)做做 (了了)某事某事”。Mr Black，what about my application?O

8、h，I regret_you that it hasnt been successful.AtellingBto tellChaving toldDsaidB解析：解析：句意为：句意为：布莱克先生，我的申请如布莱克先生，我的申请如何？何？噢，我很遗憾地告诉你，它未通过。由噢，我很遗憾地告诉你，它未通过。由句意可知为句意可知为“遗憾地要去干某事遗憾地要去干某事”，故选择，故选择regret to do的形式。的形式。 Recently, however, scientists have been finding that longterm use of these fertilizers can

9、 cause damage to the land and, even more dangerous, to peoples health.have been finding是是现在完成进行时现在完成进行时。表示一个动作开始于过去，持续到现在，并强调现在表示一个动作开始于过去，持续到现在，并强调现在还在进行。还在进行。然而，最近科学家然而，最近科学家发现发现长期使用这些肥料会造成土地长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。受损，甚至更危险的是，会对人们的健康造成危害。 I have got a headache. 我头疼。我头疼。 No wonder. You

10、have been working in front of that computer too long. 难怪你头疼，你在电脑前工作的时间太长了。难怪你头疼，你在电脑前工作的时间太长了。have been finding是现在完成进行时。是现在完成进行时。表示一个动作开始于过去，持续到现在，并强调现在表示一个动作开始于过去，持续到现在，并强调现在还在进行。还在进行。No wonder you are so tired. You have been working all day.难怪你这么累，你难怪你这么累，你工作工作一天了。一天了。Because of illness，he has bee

11、n lying in bed all day.由于生病，他整天都躺在床上。由于生病，他整天都躺在床上。build up ones confidence / strength build up business / a company建立生意建立生意 / 公司公司 增强信心增强信心 / 体质体质Dont allow misunderstanding to between you and your partner. bring up B. take up C. build up D. pull up不要让你和你的合伙人之间的误解越积越深。不要让你和你的合伙人之间的误解越积越深。C. 增强；建立增强

12、；建立CToo much work and too little rest often leads to illness.导致导致= result in All roads lead to Rome.（谚）条条大道通罗马。（谚）条条大道通罗马。通往通往As we all know，it is human activity that_the global warming.Ahas come fromBhave come fromChas led toDhave led to句意为：众所周知，是人类的活动句意为：众所周知，是人类的活动“导致导致(lead to)”了全球了全球变暖。主句是强调句型，

13、是对主语变暖。主句是强调句型，是对主语human activity的强调，的强调，谓语动词用单数，故选谓语动词用单数，故选C项。项。 In addition, fruit, vegetables and other food (grown with chemical fertilizers) usually grow too fast to be full of much nutrition. 另外，另外，施过化肥的施过化肥的水果、蔬菜和其他食物通常因生长得水果、蔬菜和其他食物通常因生长得过快而营养不足。过快而营养不足。in addition意思是意思是“另外，还有另外，还有”，相当于，相当于

14、besidesgrown with chemical fertilizers，为过去分词短语作为过去分词短语作后置定语后置定语，表示被动，表示被动相当一个定语从句相当一个定语从句“which were grown with chemical fertilizers”。 focus v. 集中集中(注意力注意力)；聚焦；聚焦 n. C,U 焦点；中心点焦点；中心点 Focus your camera.把照相机的焦距调准。把照相机的焦距调准。Her beauty makes her the focus of attention.她长得漂亮她长得漂亮, 很惹人注目。很惹人注目。focus on 集中

15、于集中于focus (one s attention/mind/efforts) on集中集中(注意力注意力/心思心思/精力精力)于于 concentrate on/ center on ondoing他的眼光集中在电视屏幕上。他的眼光集中在电视屏幕上。focused his eyes onHe _ the TV screen.The focus of recent research has been _ (介词介词) environmental issues.They focused their mind on _ (do) the experiment. Recently, however

16、, scientists _that _use of these fertilizers can_ the land and, even more dangerous, to peoples health.have been finding longterm cause damage to _, fruit, vegetables and other food _usually grow _much nutrition. In addition(grown with chemical fertilizers) too fast to be full of reduce vt. 减轻，减少，减缩

17、减轻，减少，减缩, 降低降低Taking a deep breath can reduce stress. Its said that prices of oil will be reduced to 7 yuan. It is proper that housing prices are reduced by 10%. 房价房价降低降低10%是适当的。是适当的。据说石油的价格会据说石油的价格会降到降到七元。七元。深呼吸可以深呼吸可以减轻减轻压力。压力。减少到减少到减少了减少了（1）We must reduce our expenses _ 300 yuan a month. （2）Their

18、 output has been reduced _ 10 percent.（3）He reduced his weight _ 5 kilos.to by by【熟词生义熟词生义】根据语境选择最佳汉语意思根据语境选择最佳汉语意思The rich man was reduced to a beggar. A. 减轻减轻B. 减少减少C. 沦落沦落答案：答案：C keep.free from/of 使使免受；使免受；使不含不含Keep children free from harm. 别让孩子们受到伤害。别让孩子们受到伤害。 keepfree fromkeepfree from(1) We ve

19、 managed to _ the garden _ _weeds this year.(2) Relaxation exercises can _ your body _ _ tension.Kids should be kept free from cigarettes and alcohol.孩子们应该远离烟酒孩子们应该远离烟酒我们必须确保食物不含人工色素。我们必须确保食物不含人工色素。We must keep the food free from artificial colours. Crops such as peas or soybeans_, _crops such as wh

20、eat or corn that need rich and fertile soil. 分析分析 本句结构比较复杂。其主干结构为本句结构比较复杂。其主干结构为: 主句主句_+ 结果状语结果状语_状语中状语中make 的宾语是的宾语是_, 指代指代_, ready for crops such as wheat or corn 作作_成分，成分，that need rich and fertile soil 作作_成分。成分。Crops put important minerals back into the soil. making it ready for crops such as wh

21、eat or corn that need rich and fertile soil. itthe soil宾补宾补定语从句定语从句put important minerals back into the soilmaking it ready for Some organic farmers prefer planting grass between crops to prevent wind or water from carrying away the soil, and then leaving it in the ground to become a natural fertili

22、zer for the next years crop. 分析分析本句的主干结构是一个简单句本句的主干结构是一个简单句, 其结构是其结构是: 主语主语_ + 谓语谓语_ + 并列宾语并列宾语_ +_ 。其中其中between crops和和in the ground作作_。两个宾语后面又分别带有一个不定式作目的状语两个宾语后面又分别带有一个不定式作目的状语_ 和和_。 organic farmerspreferplanting grass between cropsleaving it in the ground地点状语地点状语to prevent wind or water from car

23、rying away the soilto become a natural fertilizer for the next years ment vi.&vt. 表达意见；作出评论表达意见；作出评论 n. 评论；议论评论；议论 make a comment/ comments on对对作出评论作出评论No comment！无可奉告！无可奉告！without commemt未作出任何解释未作出任何解释即学即练即学即练8(1)Have you any _ _ the proposals？你对这些建议有什么意见吗？你对这些建议有什么意见吗？(2)It created _ _ in the pres

24、s.这引起报界广泛的评论这引起报界广泛的评论。(3)He made some useful _ _ my work.他对我的作品作了一些实用的评论他对我的作品作了一些实用的评论。 (4)He _ that it was an excellent film.他评论这部电影很精彩他评论这部电影很精彩。commentsonwidecommentscommentsoncommented1.The government has banned(禁止禁止) the use of _ weapons（武器）（武器）. chemical2. They have worked out a series of _

25、plans to increase agricultural output this duction3.Radium(镭镭) is one of the greatest _ during the nineteenth century. discoveries4. He always _ his mind on his lessons. focuses5. The government should take measures to _ envrionment polution.reduceStep 1 Fill in the blanks using the words an

26、d expressions above.6. Read the passage and _ the topic of each paragraph. underline7. Youd better not _ untill you know the facts .comment8. We must do exercises every day to _our bodies.build up9.Misunderstandings between friends may _ quarrels.lead to10. The students should _ themselves _ bad hab

27、its.keepfree from1. 年轻人应该远离毒品。年轻人应该远离毒品。The young should be kept free from drugs.2. 努力学习努力学习,你就可以积累大量的知识。你就可以积累大量的知识。Study hard and you can build up a great deal of knowledge .3. 艰苦的工作条件艰苦的工作条件(condition)能磨练人的性格能磨练人的性格(character)。Hard working conditions build up a mans character. 完成下列句子：完成下列句子：4. 抽烟

28、可能导致肺癌。抽烟可能导致肺癌。 Smoking can lead to lung cancer. Watching TV too much leads to blindness.5. 看电视太多会看电视太多会 导致失明。导致失明。6. 要是把注意力集中在你的学习上，你一定要是把注意力集中在你的学习上，你一定会取得进步。会取得进步。If You focus your attention on your study , you are sure to make progress.Chemical Or Organic Farming?化学耕作化学耕作 还是还是有机耕作有机耕作？Skim to f

29、ind the topic sentence or main idea for each paragraph.Longterm use of chemical fertilizers can cause damage to the land and peoples health.Problems caused by chemical fertilizers Farmers and customers turn to organic farming. Other methods to keep the soil fertile.Para 1Para 2Para3para4Part1Part 2c

30、hemical farmingorganic farmingStructure:1 Why are chemical fertilizers so popular in farming today? 2 After the longterm use of chemical fertilizers, what have scientists found?Many farmers welcomed them as a great way to stop crop disease and increase production.Longterm use of chemical fertilizers

31、 can cause damage to the land and , even more dangerous, to peoples health.Recently, however, therefore; meanwhile; anyhow; thus ;otherwise; moreover; besides etc.Para 1Tips: the usage of several adverbs means clear and reasonable connection between parts. Chemical farmingproblemscause1. _ the landb

32、y_ the helpful_ and pests _harmful ones2._ crops, animals and humansby _ in the ground and underground water3._ cancer or other illnessesby_ in peoples bodies over time4. fruit, vegetables and other food_ less_by _ too fastdamageaffectlead tohavenutritionkillingbacteriaas well asstayingbuilding upgr

33、owing Read paragraph 2 and find out the problems caused by using chemical fertilizers. There are three problems.First, they can damage as well as . They also stay in the and . In addition, grow too fast to . Tips: connectives（过渡词）（过渡词） and transitional phrases（过渡词）（过渡词） for development first;second;

34、 finally;last but not least ,etc.Organic farmingMethods advantages1. use _from animals as fertilizersmake richer in minerals and so more fertile and keep free of chemicals.2. change the kind of crop in each field _put back into,making it ready for other crops3. plant different crops with different r

35、ootsuse different levels of soil4. plant grass between crops and then _ it in the groundpreventfromand become a natural fertilizernatural wasteevery few yearsleaveRetell Part 2The same goal:_to grow good food and to avoid damaging the environment or peoples health. para1: A new discovery of scientis

36、ts.para2: Several problems caused by using chemical fertilizers.para3: The advantages of using organic farming. para4: Some methods to keep the soil fertile.The structure of this passagePara1 TopicPara2 ProblemsPara3 AdvantagesPara4 Several methodsillustration（阐明）（阐明）comparison conclusionThe type of

37、 the article is_exposition（说明文）（说明文）请以请以“PLASTIC OR CLOTH BAGS?”为题为题模模仿仿这篇文章的篇章结构这篇文章的篇章结构和句子结构去写一篇说和句子结构去写一篇说明文。明文。Discussion and practicePlastic Or Cloth Bags?illustration（阐明）（阐明）comparison conclusionPara1:Para2:Para3:Para4: Have a brief illustration of the present situation. The problems caused b

38、y using plastic bags. The advanages of using cloth bags. Conclusion.Over the past half century, have become very common . welcomed them as a way to . Recently, however, we have been finding that they can cause damage to , even , to peoples health.What are some of the problems caused by ? First,With

39、these discoveries, are beginning to turn to .The following words may help you. Over the past half century, plastic bags have become very common in our daily life. We welcomed them as a convenient way to carry goods. Recently, however, we have been finding that they can cause damage to the environmen

40、t, even worse, to peoples health. What are some of the problems caused by plastic bags? First, people often leave plastic bags here and there, making white pollution. Second, it takes a long time, more than 100 years ,to be exact, to break up .Last but not least, when heated, plastic bags can produc

41、e something harmful, which can build up in our body and eventually lead to cancer or other illnesses. With these discoveries, we are beginning to turn to cloth bags. They can be used many times. People can save a lot of source in this way. It is also a good idea to make some by ourselves, which is i

42、nteresting. Lets use cloth bags in our daily life instead of plastic bags, not only for the environment protection, but also the sake of our health. Recently, however, scientists have been finding that longterm use of these fertilizers can cause damage to the land and, even more dangerous, to people

43、s health.have been finding是是现在完成进行时现在完成进行时。表示一个动作开始于过去，持续到现在，并强调现在表示一个动作开始于过去，持续到现在，并强调现在还在进行。还在进行。然而，最近科学家然而，最近科学家发现发现长期使用这些肥料会造成土地长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。受损，甚至更危险的是，会对人们的健康造成危害。 I have got a headache. 我头疼。 No wonder. You have been working in front of that computer too long. 难怪你头疼，你在电脑前工作的时间太长了。have been finding是现在完成进行时。是现在完成进行时。表示一个动作开始于过去，持续到现在，并强调现在表示一个动作开始于过去，持续到现在，并强调现在还在进行。还在进行。No wonder you are so tired. You have been working all day.难怪你这么累，你工作一天了。Becau