1、高中英语人教版 必修4教师用书Unit 2 Section Learninga2020年精编人教版英语资料Section_Learning_about_Language_&_Using_Language1Scan the passage and then choose the best answers according to the passage.(1)From the passage, we can see organic farmers are those who _.Agrow crops with chemical fertilizersBgrow crops with natur
2、al fertilizersCproduce organic fertilizersDcare for the environment(2)From the fourth paragraph, we know that _.Aits not good to plant grass between cropsBpeanuts use the surface of soilCpeas and soybeans should be grown together with corn and wheatDvegetables that put down deep roots are harmful to
3、 the soil(3)_ so that the soil may not get exhausted.AFarmers grow the same crops year after yearBFarmers use natural fertilizersCFarmers change crops every few yearsDFarmers use chemical fertilizers(4)How many ways do the organic farmers have to keep their soil fertile and healthy?A3. B4.C5. D6.答案：
4、(1)(4)BBCB2Read the text and then answer the following questions.(1)What is organic farming?Farming_without_using_any_chemicals.(2)What is the goal of using organic farming methods?To_grow_good_food_and_avoid_damaging_the_environment_or_peoples_health.3Read the text and find out the main idea of eac
5、h paragraph.(1)Paragraph 1(C) AProblems caused by chemical fertilizers.(2)Paragraph 2(A) BFarmers and customers turn to organic farming.(3)Paragraph 3(B) CLongterm use of chemical fertilizers can cause damage to the land and peoples health.(4)Paragraph 4(D) DOther methods to keep the soil fertile.根据
6、所给词性和汉语意思写出下列单词1regret vt. 遗憾；惋惜 n遗憾；懊悔2focus n. 焦点；中心点 vt. 集中；聚焦3reduce vt. 减少；减缩；减弱4skim vt. 浏览；略读5comment n. 评论；议论 vi.&vt.表达意见；作出评论6confuse vt.使迷惑；使为难confusing adj.令人迷惑不解的confused adj.迷惑的；为难的confusion n混淆；困惑7discovery n发现；发觉discover vt.发现discoverer n发现者8summary n总结；摘要；概要summarize vt.总结；概括1confuse
7、 vt.使迷惑；使为难背诵佳句培养语感(教材原句)It is important to explain this again or we will confuse the students.把这个再解释一遍很重要，否则我们就会使学生感到迷惑。(鲜活例句)Will you please not confuse me with any matters?请你别拿一些事情来难为我好吗？归纳拓展全析考点(1)confuse A with/and B把A与B混淆(2)confused adj.(人)不知所措的；困惑的be confused about . 对感到困惑(3)confusing adj. (事
8、/物)令人困惑的；难懂的I confused her with her sister because they are so alike.我把她和她妹妹弄混了，因为她们长得太像了。They asked me so many confusing questions that I got confused.他们问了我如此多的令人迷惑的问题以至于我都迷惑了。2regret vt.遗憾；惋惜n. 遗憾；懊悔背诵佳句培养语感(鲜活例句)If you dont study hard now, you will regret it in the future.如果现在你不好好学习，将来你会后悔的。(鲜活例句
9、)Much to our regret, we couldnt attend your wedding.让我们深感遗憾的是，我们没能参加你们的婚礼。归纳拓展全析考点(1)regret后悔做了某事(2)regret to do .遗憾地做(后常用动词say, tell, inform等)(3)to ones regret 令某人感到遗憾的是with regret 遗憾地express regret at/about/for对表示遗憾Weve always regretted selling/having sold the farm.我们一直后悔卖了那个农场。I regret to tell yo
10、u that you have failed again in the examination.我很遗憾地告诉你，这次考试你又没考及格。He told me with_regret that he could not come to the party.他很抱歉地对我说他不能来参加这个聚会了。3focus n焦点；中心点vt. 集中；聚焦背诵佳句培养语感(教材原句)They focus on keeping their soil rich and free of disease.他们主要是想保持土壤肥沃且免受病害。(鲜活例句)It was the main focus of attention
11、 at the meeting.这是会议上关注的主要焦点。归纳拓展全析考点(1)focus on集中精力做focus/fix ones attention on sth. 把注意力集中到(2)the focus of attention 关注的焦点Please focus on your studies and not on your hobbies.请把你的精力放到学习上，而不是放到业余爱好上。They focused_all_their_attention_on finding a solution to the problem.他们集中全部注意力寻找解决问题的办法。4reduce vt.
12、减少；减缩；减弱背诵佳句培养语感(教材原句)A healthy soil reduces disease and helps crops grow strong and healthy.肥沃的土壤减少了病害并且有助于农作物的茁壮成长。(鲜活例句)Theyve reduced the prices in the shop, so its good time to buy.商店已经降低了(商品的)价格，所以现在是买东西的好时候。归纳拓展全析考点(1)reduce to .减少到；降低到reduce by . 减少了；降低了(2)rise/increasebring down 减少；缩减cut do
13、wn 减少；砍倒It was foggy so the driver had to reduce speed to forty kilometres an hour.由于大雾，司机不得不把速度减到每小时40千米。If you buy more than ten, they will reduce the price by 10 percent.你如果买10个以上，他们就会把价格降低10%。The population has increased by 15 percent.人口增长了15%。5comment n评论；议论 vi.&vt. 表达意见；作出评论背诵佳句培养语感(教材原句)Swap
14、summaries with your partner and give each other comments.和你的搭档交换总结并互作评论。(鲜活例句)Do you have any comment to make about the cause of the accident?No comment!您对这起事故发生的原因有何评论？无可奉告！归纳拓展全析考点(1)No comment！无可奉告！make a comment about/on . 对加以评论(2)comment on . 对发表评论comment that . 评论说The spokesman refused to comm
15、ent on the matter.发言人拒绝对这件事发表评论。She commented_that it was an excellent film.她评论说这是一部很精彩的电影。.单句语法填空1He was really confused by the unexpected result.2I regretted missing (miss) the good film. 3He did not comment on what I said.4Please focus your minds on the following problem.5He knows that he had mad
16、e a real discovery (discover)6It can be useful to write a short summary of your argument first.完成句子1Their output has been reduced_by_10_percent (减少了百分之十)2She was asked about the pay increase but made_no_comment (不进行评论) on it.3Many people are_confused_about (对感到困惑) the new ways of measuring temperatu
17、re.4Much_to_my_regret (使我非常抱歉的是), I am unable to accept your invitation.1cause damage to给造成损害2wash off 将洗掉；洗净3build up 逐渐增强；建立；开发4lead to 导致；造成(后果)；通向5focus on 集中(注意力、精力等)于6keep .free from/of 使免受(影响、伤害等)； 使不含(有害物)7in addition 另外8turn to 转向；向求助 9every few years 每(隔)几年1build up逐渐增强；建立；开发(教材原句)These ch
18、emicals in the food supply build up in peoples bodies over time.随着时间的推移，食物中的化学物质会在人体中逐渐积累。I started taking physical exercise every day to build up my strength.我开始每天进行体育锻炼，以增强体力。By working hard, he has built up a good reputation.通过努力工作，他已建立了良好的声誉。Shes built_up a very successful business through her h
19、ard work.通过努力工作，她创办了一家非常成功的企业。2lead to 导致；造成(后果)；通向背诵佳句培养语感(教材原句)Many of these chemicals can lead to cancer or other illnesses.这些化学物质中有许多会引起癌症或其他疾病。(鲜活例句)His foolish behavior led to his eventual failure.他的愚蠢行为导致了他最后的失败。(鲜活例句)As is known to us, all roads lead to Rome.众所周知，条条大路通罗马。归纳拓展全析考点lead sb.to .
20、引导某人去(地方)lead sb.to do sth. 致使某人做某事What was it that led you to say that?是什么导致你那样说的？3keep .free from/of使免受(影响；伤害等)；使不含(有害物)背诵佳句培养语感(教材原句)This also keeps the air，soil，water and crops free from chemicals.这有助于空气、土壤、水和农作物免受化学物质的污染。(鲜活例句)We must make some practical measures to keep students free from too
21、much homework.我们必须制定一些切实有效的措施，使学生避免做过多的作业。(鲜活例句)We should use new energy to keep our environment free of pollution.我们应当使用新能源，使我们的环境免受污染。归纳拓展全析考点free from/of 无的；免除的；不受约束的They like living in a village, free from/of crowds and noises.他们喜欢住在村子里，远离人群和喧闹。It was several weeks before he was completely free_
22、of_pain.过了几星期他的疼痛才完全消除。4every few years每(隔)几年背诵佳句培养语感(教材原句)They often change the kind of crop in each field every few years, for example, growing corn or wheat and then the next year peas or soybeans.他们通常每隔几年就换种农作物，比如在种玉米或小麦后的一年种豌豆或大豆。(鲜活例句)They planted a tree every few metres along the road.他们沿着路每隔
23、几米种一棵树。归纳拓展全析考点“每；每隔”的具体表达法： 1 every基数词复数名词 2 every序数词单数名词 3 everyother单数名词 4 everyfew复数名词Do you go home every two months/other month/second month? 你每隔一月回家一次吗？We have a math lesson every_other_day/every_two_days.我们每隔一天上一次数学课。.单句语法填空1We built up this business after ten years struggle.2Eating much sug
24、ar leads to much weight.3She is focusing on reading a book.4We put our books in the bookcase to keep them free of/from dust.5The oil spill has caused great damage to the environment.6Thick black ink like that wont wash off easily.7The twins dont have the same appearance. In addition, they have diffe
25、rent characters.选词填空1.All the pressure built_up and he was off work for weeks with stress.2As I said before, we need to focus_on the customers and their needs.3The news shocked the public, leading_to great concern about students safety at school.4The report focused on how teachers are keeping their
26、students free_from/of the pressure of exams.5More and more farmers are beginning to turn_to organic farming.1句型展示Recently, however, scientists have_been_finding that longterm use of these fertilizers can cause damage to the land and, even more dangerous, to peoples health.然而，最近科学家发现长期使用这些肥料会造成土地受损，甚
27、至更危险的是，会对人们的健康造成危害。典例背诵Why, Jack. You look so tired!Well, I have been painting the house and I must finish the work tomorrow.杰克，你为什么看上去那么疲劳？噢，我一直在粉刷房子，明天我必须粉刷完。2句型展示Crops such as peas or soybeans put important minerals back into the soil, making_it ready for crops such as wheat or corn that need ric
28、h and fertile soil.像豌豆或大豆这样的农作物将重要的矿物质带回土壤，从而使之适宜于要求土壤肥沃的农作物，比如小麦或玉米。典例背诵The sunlight shone the water ahead of us, making it difficult to see where the boat was going.阳光照射在我们前方的水面上，使人很难看清那只船驶向何方。1Recently, however, scientists have_been_finding that longterm use of these fertilizers can cause damage
29、to the land and，even more dangerous，to peoples health.然而，最近科学家发现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。句中have been finding是现在完成进行时。现在完成进行时的结构为：have/has been doing，它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。No wonder you are so tired.You have been working all day.难怪你这么累，你工作一天了。Because of illness, he has_been_lying_in
30、_bed all day.由于生病，他整天都躺在床上。They have been building the bridge for two months.两个月来他们一直在建桥。2Crops such as peas or soybeans put important minerals back into the soil, making_it ready for crops such as wheat or corn that need rich and fertile soil.像豌豆或大豆这样的农作物将重要的矿物质带回土壤，从而使之适宜于要求土壤肥沃的农作物，比如小麦或玉米。(1)本句中 making it .为现在分词短语作结果状语，表示前面的情况所造成的结果，相当于and made it .; that 引导定语从句，修饰 wheat or corn。His parents died early, leaving him an orphan ( and left him an orpha
