Introduction and reading.ppt

1、,外研版 高一(3) Module 4,Introduction and reading,Revision: complete the chart.,forecast,pollution,damage,process,protection,survive,recycle,frighten,Complete the sentences with words from the chart. 1. Cars _ the atmosphere. 2. I belong to an organization which _ the earth. 3. We need to _ more of our g

2、arbage.,pollute,protects,recycle,4. The sandstorm _ my car and I had to walk. 5. Bad weather had been _ for the day of the race. 6. Only 12 of the 140 passengers _.,damaged,forecasted,survived,7. Dont stand so near the edge, youre _ me. 8. Teaching him to read was a slow _.,frightening,process,Natur

3、al Disasters,tornado,hurricane,earthquake,lightning,volcanic eruption,Look at the following image and guess what it is.,Look at the picture below and complete the sentences using the correct form of these words.,There has been a _. It_ _ for ten hours and was very _. The wind _ the sand high around

4、the houses, and some cars were almost completely _ by the sand.,sandstorm,lasted,frightening,was blowing,buried,blow bury frightening last sandstorm,has,A,C,B,Inner Mongolia,Gansu,Xinjiang,North America,Central Africa,Australia,Central Asia,1 类似的形容词还有: exciting, interesting, disappointing, puzzling,

5、 surprising, shocking, astonishing, moving, amusing, boring, encouraging, delighting, inspiring, pleasing, tiring, worrying 等.,1. frightening 令人害怕的,令人恐怖的,Language points,类似的还有: excited, interested, disappointed, puzzled, surprised, shocked, astonished, moved, amused, bored, encouraged, delighted, in

6、spired, pleased, tired, worried等。,2 与frightening 对应的形容词是 frightened “感到害怕的, 感到恐惧的”,巩固练习,1. Mr. Smith, _ of the _ speech, started to read a novel. A. tired, boring B. tiring, bored C. tired, bored D. tiring, boring,由于Mr. Smith对那个令人厌烦的演讲感到厌倦，他开始读起了小说。,2. Its believed that if a book is _, it will surel

7、y _ the readers. A. interested, interest B. interesting, be interested C. interested, be interesting D. interesting, interest,人们认为要是一本书有趣的话，那么它肯定会使读者感兴趣。,3. The headmaster is really annoyed! Look at his _ look. A. frightened B. frightening C. fright D. frighten,校长真的生气了！看看他让人害怕的表情,2. cut down 【语境展示】

8、1) Most of the trees are being cut down and the forest is in danger of disappearing. 大部分树正在被砍倒，这个森林面临着消 失的危险。 2) We must cut down our expenses. 我们必须缩减我们的开支。 3) Youd better cut the article down to about 2,000 words.,你最好能把这篇文章压缩到两千字左右。,【总结归纳】 cut down 砍倒；削减，缩减；减少 【拓展】 cut in 插话 cut up 切碎 cut off 切断（电，

9、气，水，电话等）,【即学即练】 用以上所学cut短语的适当 形式填空。 When he failed to pay this bill, the company _ his electricity. 2. He always _ the pizza before he eats it. 3. Its impolite to _ when other people are talking. 4. _ too many trees without planting some will make the environment worse.,cut off,cut up,cut in,Cutting

10、 down,Reading,Read the passage and choose the best answers.,1.Sandstorms are strong winds carrying _ through the air. A. dirt and mud B. rain and heat C. sand and dust D. cloud and snow,2. What do the experts advise people to do when a sandstorm arrives in the city? A. Dont go out B. Dont wear masks

11、. C. Dont go to work as usual. D. Dont ride bicycles,3. The factors that cause land to be desert are _. A. cutting down trees. B. digging up grass C. climate changes D. all of the above,4. From the last paragraph we know _. A. the government wont plant trees any more in five years B.the distance bet

12、ween the desert and the center of Beijing is only 250 kilometers,C. more than 30 million trees have been planted in Beijing D. the government is taking measures to prevent sandstorms,Read the text carefully and complete the following chart.,strong, dry winds that carry sand,Central Africa and Austra

13、lia,desertification,thick dust,surprising,A mass campaign,more than 30 billion,continue planting,Complete the sentences using words from the text.,1. Weather experts have f_ another big sandstorm in a weeks time. 2. Its f_ to be outside in a sandstorm.,orecast,rightening,3. I was in a very big sands

14、torm some years ago. Luckily, everyone s_. 4. Theres a lot of d_ on the floor. We need to sweep it away. 5. Desertification is a long p_ that takes many years. 6. Many Beijing c_ cycle to work.,urvived,ust,rocess,itizens,Language Points,1. 【语境展示】 1) The major part of the audience began laughing. 大部分

15、观众笑了起来。 2) The road to be completed next week will be a major transport line for the city. 下周要完工的这条公路将成为该城市的 主要交通线。 3) They suffered some major setbacks during the fighting. 他们在这次战斗中遭受了严重的挫折。,4. He is a history major. / His major is history. 他是主修历史的学生。/ 他的专业是历史。 5. She majored in philosophy when she

16、 was studying at Harvard. 在哈佛上大学时，她主修哲学。,major adj. (数量、大小、程度等)较大的，较多的，较大范围的；主要的，重要的；严重的 n. 主修科目；专业；主修某专业的学生 vi. 主修 (常与in连用),【即学即练】 判断下列句子中major的词性并翻译整个句子。 1. There are a lot of students majoring in English now. 2. Exercise plays a major part in preventing disease.,现在有很多学生主修英语。,在预防疾病方面，锻炼起着重要的作用。,3.

17、 He was a chemistry major when he was at university.,他在大学时期是主修化学专业的学生。,2. experience 1 vt. 体验，经验，经历，经受 He experienced all sorts of difficulties and hardships.,他经历过一切艰难困苦。,经历过两次世界大战,experienced two World Wars,2 experienced adj. 有经验的，熟练的 be/become experienced at /in (doing) sth. 在（做）方面富有经验,e.g.: 他在交友方

18、面十分缺乏经验。,He was poorly experienced in making friends.,3 experience n. 经验，经历 experience做可数名词时, 意思是 “经历” 做不可数名词时, 意思是 “经验”,A teacher with five-years experience 有5年教学经验的教师,an unpleasant experience 一段令人不愉快的经历,have much experience in . 在方面有经验 gain experience in 在方面获得经验,巩固练习,The thoroughly _ teacher, who

19、has just retired from teaching, is said to _ a lot of hardships during those unforgettable ten years. A experienced, experience B experiencing, have experienced C experienced, have experienced D experiencing, experiencing,3. Forecast 【语境展示】 1) Experts are forecasting a fall in unemployment. 专家预测失业人数

20、将下降。 2) The report forecasts that prices will rise by 3% next month. 报告预测下月物价将上涨3%。 3) He is forecasting what the weather will be like tomorrow. 他在预测明天会是什么天气。,4) The weather forecast says it will be fine tomorrow. 天气预报说明天将是晴天。,【总结归纳】 forecast vt. 预测, 预报，后可以跟名词或从句。 n. 预报, 预测, 预料 注意：forecast的过去式和过去分词有

21、两种形式，即forecast, forecast和forecasted, forecasted。,【即学即练】 汉译英。 1. 我们不能预测这场足球赛的结果。 2. 对于我们来说明天将会发生什么很难 预测。 3. 他有关经济的预测是正确的。,We cant forecast the result of the football match.,It is very difficult for us to forecast what will happen tomorrow.,His forecast about economy is correct.,4. process 【语境展示】 1. G

22、etting fit again has been a long slow process. 重新获得健康是一个漫长、缓慢的过程。 2. Can you describe the process of building a house? 你能给我描述一下建造一座房子的步骤 吗？ 3. They invented a new process of making glass.,他们发明了一种制造玻璃的新方法。 4. Most of the food we buy is processed in some way. 我们买的大部分食品都用某种方法加 工过。 5. All applications a

23、re processed through this system. 所有申请都通过这个系统来审核。 6. Have your photographs been processed? 你的照片洗出来了吗？,7. The new network will enable data to be processed more speedily. 这个新的系统会使数据处理更快。,【总结归纳】 process n. 过程, 进程；步骤，流程； 做事方法，工序 vt. 加工，处理；审阅，审核；冲 印（照片）；数据处理,【拓展】 in process 进行中 in the process of sth. / d

24、oing sth. 在的进行过程中,【即学即练】 汉译英。 1. 超市出售许多已经加工过的蔬菜。,A lot of processed vegetables are sold in supermarket.,3. 我们正在搬家的过程中。,We are in the process of moving.,2. 我们会尽快处理您的订单。,We will process your orders as soon as possible.,Main sentence,1. They are often so thick that you cannot see the sun, and the wind

25、is sometimes strong enough to move sand dunes. = The sandstorms are often too thick for people to see the sun and sometimes the wind is so strong that it can move sand dunes.,本句是由and连接的两个并列分句。在前面的分句中，so . that意为“如此以至于”，that引导结果状语从句；在后面的分句中，enough作副词时常放在形容词或副词之后，构成 . enough to do sth.，意为“足够地”。 句意: 它们

26、经常如此浑浊以至于人们连太阳都看不见，而且风有时候刮得很大足可以移动沙丘。,2. This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass. = Because of climate changes, trees being cut down and grass being dug up, land becomes desert and desertification happens.,

27、本句是一个复合句。主句是This is a process；that happens .是定语从句，修饰先行词process。定语从句中有两个状语从句，一个是when引导的时间状语从句，另一个是because引导的原因状语从句。时间状语从句中的because of . 短语以及because引起的从句共同说明土地变成沙漠的原因。,3. The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see. 本句中含有一个make复合

28、结构：make + it + adj. + to do。在makes it difficult to see 中，it是形式宾语，形容词difficult 作宾语补足语, 不定式短语to see作真正的宾语。常用于这种结构的动词还有：think, find, believe, feel, suppose等；用作真正宾语的可以是动词不定式、动词-ing形式和从句。,如： We found it difficult to get along with him. 我们发现与他相处很难。 We thought it wrong wasting our time. 我们认为浪费我们的时间是不对的。 He

29、 found it strange that no one else had arrived. 他发现奇怪的是没有其他人来。,4. When a sandstorm arrives in the city, weather experts advise people not to go out. advise用作动词，表示“劝告；建议；通知”，常用于以下结构：advise doing sth.；advise sb. (not) to do sth.；advise sb. against (doing) sth.；advise + that从句，从句要采用虚拟语气，即“should + 动词原形

30、”，其中should可以省略。,课文短语翻译,一个接一个的 突然遭遇 照料, 照看 建议某人干某事 几个世纪以来 .的结果,one after another,be caught in,look after,advise sb. to do sth,as a result of,for centuries,苏醒过来 整天 阻止某人干某事 在这种形式下 一周后 砍伐, 砍倒 把擦掉,wake up,all day,prevent sb from doing,in this situation,wipe away,cut down,in a weeks time,I. 用所给动词的适当形式填空。

31、1. Several trees _ (blow) down by the strong wind in the night. 2. He _ (bury) in the cemetery at the foot of the hill last year. 3. The hot weather _ (last) for the whole month of June last summer.,课后练习,were blown,was buried,lasted,II. 用括号内所给的汉语提示完成句子， 每空一词。 1. Some people believe that the swallow

32、is _ _ _ _ (春天的征兆). 2. Most of the employees in this company came from _ _ (内陆城市). 3. A lot of measures have been taken to _ _ (阻止沙尘暴). 4. That earthquake was _ _ _ _ (最可怕的经历) of my life.,the sign of spring,inland cities,prevent sandstorm,the most,frightening experience,Discussion: What measures should we take to prevent sandstorms coming?,Work in groups of four,Summary,1. We should plant more trees and grow more grass. 2. Control air and water pollution. 3. Build green fences along the desert. 4. Forecast sandstorms real time