山东省淄博市淄川般阳中学高中英语《Module 4 Sandstorms in Asia》课件4 外研必修3

1、Module 4 Sandstorms in Asia2021/8/8 星期日1Learning Goals:1. Learn some words and their usages in this module.2. Learn to write a short passage about environment.2021/8/8 星期日2一.【学情调查，情境导入】1、n.主修科目 v.主修 a.主修的,主要的2、因此，结果3、保护v. n. 4、持续了10小时5、突然遭遇(恶劣天气等)6、砍伐（树木） 7、如此以至于 8、阻止某人做某事majorprotectprotectionlast

2、(for) 10 hoursbe caught incut down (trees) sothatprevent sb. from doing sth. as a result2021/8/8 星期日3Disasters of Nature：沙尘暴，龙卷风，飓风, 台风，地震，海啸，洪水，闪电, 雷暴，火山喷发sandstorm, tornado, hurricane,typhoon, earthquake, tidal wave / tsunami flood,lightning, thunderstorm,volcanic eruption2021/8/8 星期日4沙尘暴形成有三个要素：即

3、强风、沙源和不稳定的空气 。除上述三大因素之外，人类生产活动等因素对沙尘暴的形成也很重要。如人为破坏植被、工矿交通建设、大规模施工等对地表的破坏，为沙尘暴发生发展提供了细沙和尘土。 2021/8/8 星期日5Central AsiaNorth AmericaCentral AfricaAustralia二.【问题展示，合作探究】 2021/8/8 星期日6Sandstorms have been a _ disaster for many Asian countries. They are _ frightening _ a person who has _ one thinks that t

4、o have _ _ _ it is a terrible experience. Now people _ _ more trees and dig up more grass. _, sandstorms appear to have increased in recent years. To _ the situation becoming worse, the government is planting more trees.majorsothatsurvivedbeen caught incut downAs a resultpreventprevent, major, be ca

5、ught in, surviveso-that-, cut down, as a result, 2021/8/8 星期日7She said she would come to see me _.她说，要是没什么事情阻碍她的话，她就来看我。1. prevent prevent + n.if nothing prevented her prevent + n. + (from) + doing 我们必须阻止禽流感的蔓延。We must prevent bird flu (from) spreading.Key words2021/8/8 星期日8表示“阻止某人做某事”的三个短语是：prevent

6、 sb. (from) doing sth. stop sb.( from) doing sth.keep sb. from doing sth.2021/8/8 星期日92. major1) adj.主要的，主修的 n. (大学的)主修科目; 主修学生 vi.主修 major inEnglish is my major subject.His major is likely to be IT in the future.He is likely to major in IT in the future.2021/8/8 星期日103. be caught in突然遭遇(恶劣天气等) 我被大雨

7、淋了。_I was caught in the heavy rain.2021/8/8 星期日11 be caught in in 遇到，陷入Tom _and was late for work.汤姆遇上堵车，上班迟到了。was caught in the traffic jam2021/8/8 星期日124. cut down:1) 砍倒 Many big trees along the roadshave been cut down for building houses._2) 降低，削减 This factorys production has been cut down._3) 改小

8、或缩短 The tailor _ my dress.裁缝正在把我的衣服改小。 路边的许多大树都被砍倒建房了。这家工厂的产量减少了。is cutting down2021/8/8 星期日13situation 1Group A: A Reporter from CCTV-channel 9Group B: A person who is cycling in a sandstorm. Task: The reporter is interviewing the person about how he/she feels when cycling in a sandstorm.2021/8/8 星

9、期日14cycling in a sandstormblowburyfrightening,dangerouswear a maskthick, brown-yellow dustdifficult to breatheterrible experiencesandstormlast2021/8/8 星期日15situation 2Group A: A worker who is cutting down trees without a permit. Group B: A reporter from CCTV-channel 9Task: The reporter is interviewi

10、ng the workerand tries to make him realize the bad effects on the environment of cutting down trees. 2021/8/8 星期日16the bad effects on the environment of cutting down treesCause sandstormWash the earth awayGlobal warming .2021/8/8 星期日17situation 3Group A: A reporter from CCTV-channel 9Group B: A volu

11、nteer (志愿者) who protects the environment.Task: The reporter is interviewing the volunteer on his/her opinion on the environmental protection. 保护环境 从我做起2021/8/8 星期日18How to protect the environmentLets go cycling! 2021/8/8 星期日19What Should We Do to HelpProtect the EnvironmentI will cycle to work inste

12、ad of driving my car. ?2021/8/8 星期日202021/8/8 星期日21Part 1: HeadingPart 2: A picturePart 3: More informationStructure of a poster:Task:Design a posterthat encouragespeople to protectthe environment2021/8/8 星期日22A poster2021/8/8 星期日23Help the planetStop cutting down trees!2021/8/8 星期日24Homework1.Finis

13、h your poster. 2.Evaluate your group members performanceon oral English.Thank You2021/8/8 星期日25_, people cut down trees and dig up grass to build houses and grow more crops._, desertification becomes so serious that it causes many sandstorms every year. _ sandstorms have become a major problem that

14、many countries are facing, having a great effect on peoples lives. Sometimes its difficult for people to survivea sandstorm. To prevent sandstorms, _, we should plant more trees and keep the balance of nature.In recent yearsGraduallyNowadaysthereforeSometimes2021/8/8 星期日26The bad weather prevented u

15、s _ the project on time.to complete B. completed C. completing D. from complete2. If city noises _ from increasing, people _ shout to be heard even at the dinner table 20 years from now.are not kept; will have to B. are not kept; have toC. do not keep; will have to D. do not keep; have to CA2021/8/8

16、 星期日271).The _ aim of the air raid was the complete destruction of the city. A. most B. mostly C. major D. majority2). It was unbelievable for _ little children to cover _ many miles in _ tough weather.A. such; so; such B. so; so; suchC. such; such; so C. so; such; soCA2021/8/8 星期日283). In such dry

17、weather the flowers will have to be watered if they _.A. have survived B. are to survive C. would survive D. will survive4).The government must take measures to prevent rivers _ . A. polluted B. pollutingC. from polluting D. being pollutedBD2021/8/8 星期日295). With the electricity _ , all the machines

18、 stopped. A. cut off B. cut down C. was cut off D. was cut down6). If traffic moves at low speed, the number of accidents is _. A. pulled back B. cut down C. cut off D. turned offAB2021/8/8 星期日307). When the mother returned, she saw her son _ vegetables into pieces. A. cut down B. cut up C. to cut d

19、own D. to cut up8). The moment I began to speak, he _. A. cut down B. cut off C. cut in D. cut upBC2021/8/8 星期日319) A storm is probable to come. Lets hurry so as not to _ it.A. catch B. be caughtC. be caught in C. catch inC2021/8/8 星期日321.为了种地建房，人们毁坏森林破坏草皮。 (cut down)2. 土地沙漠化变得如此的严重，每年都有许多可怕的沙尘暴发生。(

20、sothat-)People cut down trees and dig up grass to build houses and grow more crops.Desertification becomes so serious that it causes many terrible sandstorms every year.2021/8/8 星期日333. 沙尘暴成为许多国家正面临的一个主要问 题，严重地影响了人们的生活。(major)4.有时人们很难幸存于一场沙尘暴中。(survive)Sandstorms have become a major problem that man

21、y countries are facing,having a great effect on peoples lives.Sometimes its difficult for people to survive a sandstorm.2021/8/8 星期日345.为了防止沙尘暴，我们应该多种树，保 持生态平衡。(prevent) To prevent sandstorms, we should plant more trees and keep the balance of nature.2021/8/8 星期日35He _ (经历) great difficulty in getti

22、ng a visa to leave the country.2. She prepared for all _(可能性) by taking a sunhat, a raincoat and a woolly scarf.3._（幸运的是） I was able to keep the car in control until I could pull over and stop.4. No one has given out a _ (警告) of the imminent danger.5. The flood did a lot of _（损害）to the crops.6. That

23、 plane crash_（发生）only minutes after take-off.考考你experiencedpossibilitiesFortunately warningdamageoccurred2021/8/8 星期日367. Tornadoes are _（强烈的）whirlwinds which vary in their width from a few yards to 1300 feet.8. Applicants for the job must have_（先前的）experience. 9. Police are investigating the_（原因）of the explosion.10. Our hotel has a_（世界范围的）reputation for go