Module4《Sandstorms in Asia》Module 4 (5)
高中英语外研版高中Module4SandstormsinAsiaModule4S
Module 4 Sandstorms in Asia Reading and vocabulary 四川省屏山县中学校王弟先教学目标与技能目标：掌握与沙尘暴有关的词汇、短语；能读懂课文并理解语段之间的逻辑关系，从中获取信息并回答有关问题；能听懂教材配套材料并根据要求完成练习；能叙述沙尘暴在我国的危害、提出自己的想法，并书面表达出来。
课时：本单元的第二课时课型：Reading教学内容：Sandstorms in Asia (Reading and vocabulary).教学重点：let students master new words.Learn some characteristics and result of sandstorm.students to think ways to protect the environment. 学生学情分析：The Ss have been doing well in reading with the skills on skimming and scanning as well as a broad vocabulary. In fact, they have known a little about Sandstorms through the Internet and other media, but they don' t have a good knowledge of how to protect the environment.教学方法：(l)Pair work(2)Discussing(3)Three kinds of methods to read the passage.教学过程：Step 1: RevisionRead the words of module 4,then check the homework in activity 2 on page 33. Step 2: Lead -in(1)Watching a piece of video about sandstorms.(2)Showing a picture and giving the question :Where do sandstorms begin in China?The places are: Xinjiang, Gansu , Western Inner Mongol ia,Beijing and Northeast Inner Mongolia.(3)Look at the photos, then answer the 4 questions in activity one on page 32. The answer are:1.There is a sandstorm blowing.2.She is wearing hoods, masks and glasses.3.The traffic moves slowly. Because it' s not clear to see everything on the road and people must take great care.4.. Experts advise people to stay at home in this situation.Step 3: DiscussionWhat J s the cause of sandstorms?Step 4 :Fast- readingRead the passage and match the main idea.Step 5 :Careful- readingRead the passage and choose the best answers.Step 6 :Post-readingDecide if the following sentences areTrue or FalseStep 7 :Retelling the passageFill in the blanks.Step 8 :Pair workIn order to protect our earth, many Green Movements have been held all overthe world, Do you know some basic knowledge ?Step 9 ;HomeworkTask 1： Do exercise 5 on page 33.Task 2： Writing a composition about sandstorms so as to let everyone to protect our earth.。
高中英语Module 4 Sandstorms in Asia
Reading and
Vocabulary
What...? Where...? How...? Why...?
Questions Reading
• 1. What are sandstorms? • 2. Where do the sandstorms mainly occur ? • 3. How does Ren Jianbo describe his own
Where do the sandstorms mainly occur in the world?
B North America
A Central Asia
C
Central Africa
Australia
D
Where do the sandstorms mainly occur in China?
Sandstorms sometimes affect Beijing. Citizens wake up to an _o_r_a_n_g_e_s_k_y_ and _st_r_o_n_g_w__in__d_s that cover the city in a thick, brown-yellow dust. _T_r_a_f_fi_c__ moves very slowly. The Chinese Central Weather Station can _f_o_r_e_c_a_st_ a sandstorm some weeks before it arrives in Beijing, but the _s_t_r_en__g_th_ of the storm sometimes surprises people. When a sandstorm arrives in the city, weather experts advise people __n_o_t __t_o_ __g_o_ _o_u_t_.
【词汇讲解】Module4SandstormsinAsia课文精讲
【词汇讲解】Module 4 Sandstorms in Asia 课文精讲1. What is happening ? 正在发生什么呢？happen一词的主要用法有：（1）主语为“事件、事情、情况”等时，意思为“发生、偶然发生”。
例如：The accident happened at three o’clock. 事故是三点钟发生的。
（2）不用进行时态。
指运气的好坏，意思为“碰巧，恰好”。
具体用法有三种①主语常为人或it：happen+不定式；②It（形式主语）+ happen+ that从句（真正主语）；③happen+ to sb. / sth. 意思为“某人/某物出……事，发生了……情况”。
例如：You happened to be out when I came to your house.当我到你家时，你正碰巧出去了。
要注意happen 与take place 的区别：happen 一般指偶然发生，而take place则指按事先的安排或计划。
例如：When did the accident happen? 这起车祸是什么时候发生的？Elections take place every four years.注意：happen与take place都没有被动语态。
2.What should you do in a sandstorm to protect yourself ? 在风沙暴中你应该做什么来保护你呢？（1）protect 作动词时，意思为“保护，保卫，警戒”，例如：It’s my duty to protect my sister. 保护妹妹是我的责任。
Protect sb. from harm 保护某人免受伤害（2）protection 作名词，为不可数名词时，意思为“保护”；作可数名词时，意思为“保护物。
保护者”。
例如：under the protection of government 在政府的保护之下various protects against cold 各种防寒装置（3）protective 作形容词，意思为“保护的，防护的”，例如：protective clothing 防护衣protective foods 保健食品3.They are often so thick that you can not see the sun. 他们是如此的厚，以至于你不能看到太阳。
高一英语Module 4 Sandstorms in Asia外研社知识精讲
高一英语Module 4 Sandstorms in Asia外研社知识精讲【本讲教育信息】一. 教学内容：Module 4 Sandstorms in Asia教学目标：通过介绍亚洲(主要是中国) 沙尘暴的情况，引入了与沙尘暴和环保有关的词汇。
要求学生了解沙尘暴方面的知识并掌握相关词汇，培养学生用英语谈论沙尘暴及环保的语言技能。
单词：sandstorm frightening inland mass campaign dune desertificationprocess citizen dust forecast strengthen cycle maskatmosphere carbon dioxide chemical environmentgarbage melt pollution recycle coastal concernedevidence major urgent pollute complain nutshell scaryabsolutely protection短语：cut down be caught in one after another have a bad effect ontake in give out in a nutshell look through重点词语：frightening inland mass forecast strengthen cycleenvironment melt pollution recycle concernedevidence major urgent pollute complain scaryabsolutely protection cut down be caught in one after anotherhave a bad effect on take in give out look through词语要点归纳：1. 潜点解读It lasted for ten hours and was very frightening.它(沙尘暴)持续了十个小时，而且是非常可怕的。
高中英语说课稿-《Module4SandstormsinAsia》优秀说课稿
高中英语说课稿-《Module4SandstormsinAsi a》优秀说课稿各位读友大家好，此文档由网络收集而来，欢迎您下载，谢谢一、说教材（一）教材内容及分析我说课的内容是外研版《英语》（新标准）高中第三册（必修3）module4SandstormsinAsia本模块介绍了亚洲（主要是中国）沙尘暴的情况，并引入了与沙尘暴和环保有关的词汇。
要求学生了解沙尘暴方面的知识并掌握相关词汇，培养学生用英语谈论沙尘暴及环保的语言技能。
Introduction部分为此模块的warmingup,介绍与“沙尘暴”有关的词汇，并设计了三个练习活动。
通过教材设计的这三个活动，可以让学生初步熟悉这些词的意义，为以后的各项学习活动做好准备。
ReadingandV ocabulary该部分介绍了“亚洲的沙尘暴”。
围绕着课文，编者设计了五个与课文内容和词汇有关的练习。
通过这些练习，学生可以增进对沙尘暴危害性的了解，熟悉有关沙尘暴的词汇。
（二）教学目标根据《新课标》总目标的描述，结合本课的内容，我把本节课的教学目标系统化，分别是：语言知识，能力目标，情感目标，文化意识，和学习策略。
．语言知识目标掌握并能运用下列词汇：与沙尘暴有关：disaster,dune,citizen,dust,desertification,fo recast,strength,cycle,mask与环保有关：process,mass,campaign句子: Tohavebeencaughtinasandstormwasaterribl eexperience.Therewasnothingtobedone. Tobecyclinginasandstormisfrightening.2．语言技能目标：理论依据:高中英语课程标准强调用英语获取和处理信息的能力).能从中获取主要信息并摘录要点2).能理解主旨、作者意图3).能提取、筛选和重组中的信息4).能利用上下文猜测新词汇3．学习策略目标词汇归类在阅读、英语互动、完成任务过程中进行有效自我调控通过各种途径获取相关信息，辨别并运用有效资源3．文化意识和情感态度目标了解亚洲沙尘暴的状况增强环保意识4．重点与难点重点：了解沙尘暴；阅读微技能训练难点：运用所学词汇和短评，围绕主题进行讨论及写作二、说学情在教学过程中，对学情的了解是教师因材施教的关键。
Module4SandstormsinAsia知识点归纳
I was caught in the downpour on the way home from school.
【拓展】
catch构成的常见短语：
1. catch sb doing偶然发觉某人做某事。如：
The teacher caught him sleeping in class.
【点拨】
mass在此意为“大规模的”。另外，mass还有“大量、大批”的意思，可构成a mass of或masses of，既可修饰可数名词，又可修饰不可数名词。整句意为“在中国，科学家们尝试用多种方法去解决这一问题，一场大规模治理沙尘暴的活动已经开始来帮助解决这一问题”。
如：
Before the rain, the sky had a mass of clouds.
重点单词聚焦
【词条1】prevent
【课文原句】To prevent it coming nearer, the government is planting trees. (Page 32)
【点拨】prevent…(from) doing…此处意为“阻止……做……”，from可以省略。整句话意为“为了阻止沙漠的逼近，政府已经开始植树”。如：
Module 4 Sandstorms in Asia辅导一
单元知识点归纳讲解：
必修3模块4要点导读
重点单词聚焦prevent, continue, mass, survive
重点短语透视be caught in, take in, give out, cut down, dig up
热点语法点击动词不定式的时态和语态, but +不定式
I’m concerned that they may have got lost.
高中英语Module 4 Sandstorms in Asia教案
Module 4 Sandstorms in AsiaReading and VocabularyTeaching Objectives1. Knowledge objectivesMaster the new words and phrases related to sandstorms.2. Ability Objectives(1) Enable students to use the reading skills they have learned to read a passage.(2) Improve students’ ability of analyzing the structure of an article.3. Moral Objectives(1) Enable students to get a better understanding of sandstorms.(2) Improve students’ awareness of protecting environment.Teaching important points1. Enable students to gain information about sandstorms in Asia.2. Improve students’ reading skills.3. Improve students’ ability of analyzing the structure of an article.Teaching difficult points1. Improve students’ ability of predicting, skimming and scanning.2. Strengthen students’ awareness of protecting environment.Teaching Methods“Task-based〞teaching method; skimming; scanning; individual work; pair work; group work; discussion.Teaching aidsMultimedia, some flashcards.Teaching Procedures:StepⅠ. Warming up and lead-in(1) Show the video of sandstorms in Beijing to lead in the topic.(2) Play a guessing game.(3) Make a prediction.StepⅡ.While-reading1. Fast reading(1) Divide the text into three parts and number them.(2) Ask Ss to read the text quickly and decide what the topic of each part is. 2. Careful reading(1) Ask and answerAsk Ss to read carefully and answer three related questions.(2) True or FalseAsk Ss to decide whether the statements are true or false according to .(3) Read and discussAsk Ss to read carefully and have a discussion about how to stop sandstorms.(4) Complete the mind map and retellComplete the mind map of sandstorms and retell the text.Step Ⅲ. Post-readingAsk Ss to work in groups to make a live report on sandstorms.Step IV. Conclusion(1)Draw a conclusion with Ss on how to describe a disaster.(2)Improve students’ awareness of protecting environment.Step V. Homework(1) Write a passage about the haze in Chengdu.(2) Design a poster to encourage people to protect the environment. Blackboard DesignSandstorms in Asia。
Sandstorms in Asia教案
Module 4 Sandstorms in AsiaListening & Speaking授课类型：Listening & Speaking一．教学分析【教材分析】Module 4 Sandstorms in Asia是外研社新课标必修三的第四个单元模块。
该模块谈论的话题是亚洲（主要是中国）沙尘暴情况和环保话题，并引出了沙尘暴和环保有关的词汇。
要求学生了解沙尘暴方面的知识，如沙尘暴的主要特征、形成原因及危害，并且对当今世界环境恶化有更深的了解，要求学生学习并运用这些词汇谈论沙尘暴及环保的话题，培养和提高学生的环保意识。
分析了整个模块的教学内容后，结合本模块对学生知识技能方面的要求，我将整个模块的教学内容进行了整合, 决定这堂课的内容是Listening 和Speaking，是本模块的第二课时（第一课时为Introduction and Reading主要谈论沙尘暴）。
这样整合的理由是：1. 话题内容相关：听”部分（Listening）和“说”部分(Speaking)的教学内容都是与环境环保有关的话题，都要引出和运用环保相关词汇。
2.合理有效因为听力谈论的是“全球变暖”问题，危害，因素和措施，并引出了与环保相关的词汇，而后面“说”的活动以环保为主题展开谈论，话题是：环境污染因素、危害及改善环境的措施，这不但是听力内容的展开和升华，从点到面，而且也需引述听力内容并且运用听力中的词汇，因此，把“听”和“说”这两个模块整合在一起，听的部分就很好地为后面的“说”做了铺垫，搭好了脚手架，3. 为写搭好脚手架：本模块对写的技能要求是运用本模块所学词汇和短语，写有关环保的作文。
把听和说这样整合，就为写作输出也起到良好的铺垫作用。
4. 本课为本模块的第二课时，一课时的阅读课使得学生对本模块的话题，词汇，表达方式已熟悉，较好地为听力和口语的输出做好了一些铺垫。
【学情分析】就学生已有的英语知识水平而言，他们已经具有了一定的英语基础知识，并且具备一定的听说能力。
MODULE-4----Sandstorms-in-Asia
MODULE 4 Sandstorms in Asia模块4 亚洲的沙尘暴Sandstorms in Asia亚洲的沙尘暴Sandstorms have been a major①disaster for many Asian countries for centuries.几世纪以来，沙尘暴一直是亚洲许多国家的主要灾难。
Scientists have tried many ways to solve this problem and in China, a mass campaign ②科学家曾尝试多种方法来解决这个问题，在中国，为了帮助解决这个②major adj.“主要的”。
major还可做动词，major in表示“专修”。
②campaign n.“战役；活动”。
注意区别：war“战争”；campaign“战役”；fight “战斗”。
a mass campaign“大规模的活动”。
has been started to help solve it.问题一个大规模的活动已经发起。
Sandstorms are strong, dry winds that carry sand. They are often so thick that沙尘暴是携带沙粒的强大而干燥的风，它们经常是那么浓，you cannot see the sun, and the wind is sometimes strong enough to move sand dunes 你看不到太阳，有时风大到足够能移动沙丘。
①. The four main places in the world where there are sandstorms are Central Asia,世界上四个主要的沙尘暴多发区是中亚、North America, Central Africa and Australia. Ren Jianbo, from Inner Mongolia described北美、中非和澳洲。
高中英语Module4SandstormsinAsiaSectionⅣOtherPartsofthe
Module 4 Sandstorms in Asia Section Ⅳ Other Parts of theModule[原文呈现]The Green Movement①Some countries are better than others at② looking after③ the environment. In Europe, Germany and the northern European countries work very hard to improve the environment. People in countries such as Germany put their garbage into④different bags —paper in one bag, plastic in another bag, etc. The garbage is then taken away⑤and, if possible⑥，recycled⑦. CFCs (chloroflurocarbons), chemicals which are found in refrigerators and aerosol cans⑧， are not allowed⑨. There are laws that do not allow people to burn too much coal⑩.In the 1970s⑪， as people learnt more about environmental problems⑫， the “Green” movement began and soon spread⑬all over⑭Europe. The “Green” movement tries to get governments to think⑮ seriously about the environment and how to look after it. It collects information about how industry is damaging the environment and gives this information to newspapers.[读文清障]①the Green Movement绿色运动②at在此处表示“在……方面”。
外研版必修三 Module 4 Sandstorms in Asia
外研版必修三Module 4 Sandstorms in AsiaNew words1.cut down 砍倒，减少2.major adj.主要的，多数的，主修的，较重要的n.主修课程，主修学生vi.主修+in，专攻3.mass adj.大量的，大规模的，广泛的n.团，块，堆，大量，许多vi＆vt.集结，聚集the masses 群众masses of =a mass of 许多，大量（即可修饰可数名词也可修饰不可数名词）plenty of, a quantity of, a mass of, a lot of 修饰可数名词和不可数名词a number of ,a good many, quite a few 修饰可数名词a great deal of, an amount of, quite a little 修饰不可数名词4.be caught in 突然遭遇be trapped in ,be stuck in 被困住5.strength (U)n. 力量，力气，意志力，坚强(C)n. 强项，优势，长处strong adj. strengthen v.加强6.wake up to 醒来时，认识到He was too slow to wakw up to the cold truth.7.have a bad effect 对….有坏的影响8.take in 吸收，欺骗，理解，领会，收留The salesmam has took in the old people to buy their poor goods.9.give out放出，发出（光，热，味），分发，用尽，发表，公布10.nothing but 只有，仅仅He did nothing but sleep at home yesterday. There is nothing left for him but to fight.11.concerned adj.关心的，担心的be concerned about/over/for 关心，挂念Be concerned in/with 牵涉到，与….有关as far as ….be concerned 就…而然/来说concerning 介词“关于”Sentences1.I can’t help but hope that they will succeed. Can’t help/choose but+v. 不得不做……, 只能做They can’t help but to call in the police.2.I couldn’t agree with you more. 我非常同意你的观点。
高中英语Module4 Sandstorms in Asia 教材分析
Module4 Sandstorms in Asia 教材分析Introduction1.It lasted for ten hours and was very frightening.它（这场沙尘暴）持续了十个小时，令人特别恐惧。
（1）last vi. 继续；持续；维持。
例如：Our summer holidays last a long time every year.我们的假期每年有很长一段时间。
The hot weather lasted until the end of September.炎热的天气一直持续到九月底。
（2）frightening adj. 令人恐惧的，引起突然惊恐的。
例如：a frightening experience一次可怕的经历The news is quite frightening.这消息引起人们的恐惧。
2.The wind blew the sand high around the houses，and some cars were almost completely buried by the sand.强劲的风吹得房子周围的沙尘四处飞扬，有些小汽车几乎被沙尘所埋没。
blow vt.& vi. 吹，吹动，刮。
例如：The winds blow across the sea，pushing little waves into bigger and bigger ones.风吹过海面，把小的波浪推向前进，变成越来越大的波浪。
The wind has blown my hat off.风把我的帽子刮走了。
blow [C] 打，打击，奇袭，猛攻。
例如：give sb. a blow on the head给某人头上一击3.Deserts are also created because people cut down trees and dig up grass.人们肆意砍伐树木和破坏草皮也是导致土壤沙漠化的原因之一。
外研社必修三Module 4 Sandstorms in Asia 知识点梳理：
Module 4 Sandstorms in Asia知识点梳理：【使用说明与学法指导】自习或自主时间用40分钟完成。
【学习目标】梳理本模块所学基础知识，能完成相关练习。
一、完成短文（注：动词正确形式填空没有空的限制）,不要参照课本。
Ren Jianbo described his experiences in a sandstorm in the desert as a child.”______________（catch）in a sandstorm was a terrible experience. I had never ________(experience)a more frightening or a more dangerous situation. There is nothing ___________________(do).Y ou just had to hope you’d survive.”Sandstorms in China appear_____________ (increase) in recent year’s ____ _____ __________”desertification”. This is a process that happens when land becomes desert_____ _____climate changes and _____ people ______ _____trees and ______ ______grass.Sandstorms are often _____ thick_____ you can’t see the sun, and the wind is sometimes stron g_____ _____ _____ sand dunes. Weather experts advise people _____ ____ _____(not go) out in a sandstorm.Huang Xiaomei says,”____ _____ _____(cycle) in a sandstorm is frightening. _____difficult to breathe and the dust _____ me _____.”Sandstorms ,which begin in desert areas ,sometimes affect Beijing. People _____ _____ _____the fact that there is a desert only 250 km away _____ the wast of Beijing.____ _____(prevent) it_____(come) nearer ,the government plans ____ _____(plant) trees for the next five years.二单词拼写:1. Bikes are very popular in China. Many prefer c__________(骑车) to work.2.Scientists have been trying to find ways to f__________（预测）earthquakes.3.Captain Miller, who s_____________(活下来)the D-Day Landing, led a team to save Private Ryan.4. Garbage that can be r__________(重新利用) should be collected.5.After the tsunami in Indian Ocean people showed more c____________（关心）for the earthquakesin the sea.6.The frightened man sounded as if he was going to die of _______________(恐惧).7.Air _____________(污染) are beginning to draw more and more attention.8.The increase in the population of plants can stop the process of ____________(土地沙漠化).9.He _____________(建议) us to ask Mr Li for some advice.10.He hid behind the door, holding his _____________(呼吸).三、单项选择1. Having a trip abroad is certainly good for the old couple, but it remains _____ whether they willenjoy it .A.to seeB.to be seenC.seeingD.seen2. Robert is said _____ abroad, but I don’t know what country he st udied in .1A. to have studiedB.to studyC. to be studyingD.to have been studying3. ----I’ll be away on a business trip. Would you mind looking after my cat ?----Not at all .______A. I’ve no timeB. I’d rather notC. I’d like itD.I’d be happy to4. Paul doesn’t have to be made _____.He always worked hard .A. learnB. to learnC.learnedD. learning5. Rather than _____ on a crowded bus, he always prefers ______ a bicycle.A. ride, rideB. riding, rideC. ride, to rideD. to ride ,riding6. I don’t think _____ possible to master a foreign language without much memory work.A. thisB. thatC.heD.it7. Is _____ necessary to complete the design before National Day ?A. thisB. thatC.itD. he8. ----There are traffic jams every day. It ____----________.A congestion charge should also be introduced.A.could be worse . I couldn’t agree with you more.B. i s extremely serious. I can’t agree with you.C. c ouldn’t be worse . I could’t agree with you more .D.couldn’t be worse. I can’t agree with you.9. Paper making began in China and from here it _____ to North Africa and Europe.A. spreadB. grewC. carriedD. developed10. The news reporter hurried to the airport, only _____ the film stars had left.A. to tellB. to be toldC.tellingD.told11. Sandy could do nothing but _____ to his teacher that he was wrong.A. admitB. admittedC. admittingD. to admit12. Why don’t you _____ someone to help you?A. haveB. letC. makeD. get13. With a lot of difficult problems _____, the newly-elected president is having a hard time.A. settledB. settlingC. to settleD. being settled14. I’m going to the supermarket this afternoon. Do you have anything _____?A. to be boughtB. to buyC. for buyingD. bought15. She will tell us why she feels so strongly that each of us has a role ____ in making the earth abetter place to live.A. to have playedB. to playC. to be playedD. to be playing16. I send you ten dollars today, the rest _____in a year.A. followsB. followedC. to followD. being followed2。
module4SandstormsinAsia教案
The Teaching Plan for Module 4Sandstorms in AsiaI. School No.9 Middle School Book Three II.Content Module 4 Sandstorms in Asia Type ReadingIII.Teaching aims and demands. 1.Knowledgefocus1.The students can learn some language points.2.The students will talk something about sandstorms2.Abilitygoals1.To train the students’ reading skills.(Fast-reading andIntensive- reading)2.To practice the students’ ability of readingcomprehension.3.Feeling andattitudesLet the students know the importance of protecting ourenvironment.4.Learningstrategies1.The students should read the text quickly and carefully,and then find the answers to the questions.2.The students should talk something about sandstorms inEnglish.3.The students should do something in co-operation.4.The students should learn by themselves.IV.Teachingdifficult pointTalk something about “ S andstorms in Asia”.V.Teachingimportant point.To train the students’ reading ability and l anguage pointsVI.Teaching methods 1.Lead in by pictures of sandstorms and then read and talk.2.Learner-center approach and based learning.3.Learn individually, learn in groups.VII.Teaching aids MultimediaVIII.TeachingproceduresTeacher’s activiti es Students’ activities Aims and skillsStep1 Lead in Show pictures and somequestionsListen to thequestions , and thenanswer.Let students knowsomething aboutsandstorms.Step2Fast-reading Give some tasks. Skin the text quicklyand find the answersto the questionsTo train thestudents’ readingskillsStep3 Intensive-reading Give some tasks. Scan the textcarefully and choosethe best answers.To train thestudents’ readingskillsStep 4 Discuss the passage Let the students go throughthe passage and discuss thedifficulties.Read and discuss. Learn somelanguage points.Step 5Listen and Practice reading Let the students listen andread .Listen and read. To train thestudents’pronunciationstress andintonationStep 6An interview Give some tasks. Ask and answer. To train thestudents’listeningand speakingStep 7HomeworkWrite a letter .Blackboard DesignModule 4 Sandstorms in AsiaSandstormsdefinitions places examples Feedback评课实录课题:必修三Module 4 Sandstorm in Asia Period 2 Reading and Vocabulary执教人：刘艳秋刘颖：刘老师这节课目标非常明确。
最新-高中英语 Module 4《Sandstorms in Asia》readin
Module4 Sandstorms in Asia-reading素材Giants and storm hit northern China如果你生活在北方,你可曾目睹过沙尘暴袭来时天地昏黄、日月无光的景象呢？你可曾想过谁是造成这种灾害的罪魁祸首呢？其实就是我们人类自己。
On March 10, 2018, strong winds from Russia’s Siberia kicked up clouds of dust and sand. Thus northern China wa s hit by the season’s first major sandstorm. The thick yellow glooms lowed traffic and forced airports and schools to close, giving the sky a yellow appearance.Northwestern Gansu Province was the worst affected area. One villager said, "There’s noth ing to do but dig away the sand nonstop and wait to see what happens. Sometimes I dream of the sand falling around me faster than I can dig away. I worry that in real life, the sand will win."His worry is understandable. Every year, about 110 million people suffer from desertification and another 2,500 sq km turns to desert each year. Few people think of China as a desert nation, but it is among the world’s largest. What causes the terrible sandstorm? The answer is obvious. Years of heavy farming and animal grazing in the northern China are the major reasons. Due to this, the land of vegetation that protects the soil is disappearing. The exposed earth becomes a dust bowl easily swept up by the strong winds.As early as in the 4th century B.C., our ancestors began to notice the environmental problem. Chinese philosopher Mencius (孟子) once wrote about desertification and its human causes, including tree-cutting and overgrazing. Our former Premier Zhu Rongji also called it "an alarm for the entire nation". He called on the whole nation to plant trees to fight the growing desertification.However, Chinese deserts are still on the move. Sandstorm threatens even Beijing. Beijing, which will host the 2018 Olympic Games, has told the world it will hold a "Green Olympics". The government has promised to make the capital into a "garden city"for the Games by creating belts of trees. So a great project named "Green Wall"is in process. The green wall, like the Great Wall, will block invasion of the enemy.However, the enemy are not foreign invaders, but sand.小字典gloom n.阴沉nonstop adv.不断地grazing n.放牧vegetation n.植被dust bowl 干旱尘暴区ancestor n.祖先invasion n.入侵Open question:As a student, what will you do for the "Green Olympics"?重点短语透视【词条1】be caught in【课文原句】"To have been caught in a sandstorm was a terrible experience,"...(Page 32)【点拨】be caught in 此处意为"遭遇上"。
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4．____________________ seven ideas, ask another pair to help you. 若你很难找到七种想法，就让别的小
cut down 2．____________ 砍倒 do nothing but do sth.只有做…… 3．___________________ prevent sb. from doing sth. 阻止某人做…… 4．_________________________
complain of/ about 埋怨；抱怨 5．_________________
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④so/as far as sth. /sb. be concerned 据……所知
⑤have no concern for 毫不关心 ⑥have no concern with 和……毫无关系 ⑦concern vt.涉及，关系到n.(利害)关系，关心 ⑧be much concerned about 十分挂念；担心；焦虑 concern oneself with/about/in sth. 忙于(某事)；关心(某事)(＝engage oneself with/in＝be occupied with) show/express concern about 对„„表示关心/担心
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B. to feel D. to fall
2．He is often listened ________ English songs,
but this time we had him ________ Russian
songs. A. to sing; sing B. to sing; to sing C. sing; to sing D. sing; sing 答案：A
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4．Charles did what he could ________ the servant, although he himself was in danger. A. rescue C. rescued B. to rescue D. rescuing
答案：B
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考点探究解密 考点解读 1．mass ①n.团，块，堆；大量，许多 ②adj.大批的，大量的，广泛的 ③vt. & vi.集结；聚集
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知识链接： 下列短语都有“许多的，大量的”之意，可修饰可数或不可 数名词： lots of＝a lot of
quantities of＝a quantity of
chemistry 化 chemical 化学药品(n.)化学的(adj.)→__________ 13．__________ 学(n.) concern 关心 14．__________ concerned 关心的；担心的(adj.)→__________ (n.) major 主要的；多数的(adj.)→__________ majority 大多 15．__________
varieties of＝a variety of
collections of＝a collection of
supplies of＝a (good) supply of plenty of
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以下短语仅修饰可数名词： numbers of＝a number of, many a, a good/great many, quite a few 以下短语仅修饰不可数名词：
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• • • •
2)the majority of „„的大多数 be in a/the majority 占大多数，构成大部分 by/with a majority of 以„„多数 注意：major形容词，无比较等级，既不能和than连用， 也不能与to连用，作定语，反义词为minor。 • 例如：a major new book about American politics • 有关美国政治的一本比较重要的新书 • 不能说 This book is major than/to that one.。
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• Ⅰ.重点词汇 • 1．major adj. 较大的，较多的；主要的，主修 的；较重要的vi. 主修，专攻n. 主修课程；主修 学生 • 知识拓展 • 1)major problems 主要问题 • the major subjects 主修课程 • play a major role in sth.在某事中起重要作用 • major in sth.主修
误区警示：concerned表示“关心的，有关的”时常作后置 定语或表语。
look through 12．_____________________ 浏览，仔细检查
wake up to 13．________________ 清楚地意识到
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Ⅲ.重点句型
1．The storms sometimes continue all day and
traffic moves very slowly because the thick
13
5．Is this the watch you wish ________？ A. to have repaired C. to have it repaired 答案：A B. to repair it D. to have repaired it
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6．My mother could do nothing but ________ at home. A. to be staying C. to staying 答案：D B. to stay D. stay
Dark clouds massed on the horizon.天空乌云密布。
命题方向：考题中常考查表示数量的词的辨析。
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活学巧练： He has________letters to answer. He has to work from morning to night. A．much B．a great deal of
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经典在线 ①There are two major political parties in the US. 美国有两大政党。(朗文P1185) ②She's a history major. 她是历史专业的学生。(朗文P1185)
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即学即用 English was his ______ in the college, while she ________ Japanese. A．mayor; majored B．minor; majored in C．major; majored D．major; majored in 答案：B
absolutely 绝对地；完全地(adv.) 10．__________
11．__________ frightening 吓人的；可怕的
frighten 吓唬；使害怕 (adj.)→__________
(vt.)→__________ 恐惧；害怕(n.) fright
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strength 力量；力气(n.)→__________ strengthen 加强 12．__________ strong 强壮的(adj.) (v.)→__________
take in 6．____________ 理解；欺骗；吸收
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think seriously about 7．_______________________ 认真考虑 in a nutshell 8．________________ 概括地说 be concerned about/ over 9．___________________________ 为……担心 give out 10．____________________ 放出；发出 dig up 11．________________ 挖出
C．masses of D．the number of
答案与解析：C letters为可数名词，排除A、B项。D项应
为a number of，故只有C项正确。
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2．concerned adj.关心的；有关的(常用于名词之
后)；挂念的；担心的
精讲拓展： ①concerning prep. 关于(＝regarding＝as regards＝with regard to＝given) ②be concerned in sth.涉及 ③be concerned with sth. 关于；有关
dust ________________.
暴风有时持续一整天，车辆开得很慢，因为浓浓的
尘埃降低了能见度。
答案：makes it difficult to see
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2．To ________ it ________ nearer, the
government is planting trees.
campaign
5．__________ 重新利用；再循环(v.) recycle
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evidence 6．__________ 根据；证明(n.) urgent 7．__________ 紧急的(adj.) pollute 8．__________ 污染(vt.)