高中英語《Module 4 Sandstorms in Asia》課件1 外研版必修3.ppt

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Module 4 Sandstorms in Asia,,Language points,預(yù)習學案------閱讀理解,Read the passage on P39 and answer the following questions. 1. How is the garbage dealt with in Germany? Germany put their gabage into different bags.The garbage is then taken away&if possible, recycled. 2. When did the “Green” movement begin? and what are the responsibilities of the Green Movement? The “Green” movement began in the 1970s. It tries to get government to think seriously about the environment&how to look after it.It collects information about how industry is damaging to environment and gives the information to newspapers.,預(yù)習學案------易錯短語,1.吸收 2.被困于.; 突然遭遇（風暴等） 3.砍倒；削減；刪減 4.從.挖掘出. 5.發(fā)覺； 認識到； 意識到 6. 阻止某人做某事 7. 放出，發(fā)出 8. 一個接一個的；陸續(xù)的 9. 瀏覽 10. 對.有壞的影響,Take in Be caught in Cut down Dig up Wake up to Prevent ……from Give out One after another Look through (P40) Have a bad effect on,預(yù)習學案-----完成句子句型,1.狀語從句的省略 ②除非受到邀請，否則他不會去參加晚會的。 He will not go to the party unless ________________ . ③有必要的話，我們將開個會。 _____________________ ，we’ll have a meeting. 2. spread v. pt. spread pp. spread 展開，伸展；傳播，蔓延 ②The rumor quickly spread through the village. 翻譯：,(he is )invited,If necessary,謠言迅速傳遍全村,【學情調(diào)查，情境導入】,根據(jù)課本P31，補全句子并翻譯。 1.A sandstorm was very _____________(frighten).The wind_____________(blow) the sand high around the houses, and some cars were almost completely _______(bury) by the sand. 2.Deserts are ____________(create) because people _____(cut)down trees and __________(dig )up grass. 3. What should you do in a sandstorm to___________ ( protect ) yourself?,frightening,was blowing,buried,created,cut,dig,protect,【問題展示，合作探究】,1. cut down 1）砍倒； 2）減少，降低 讀例句，體會用法： 1）Many big trees along the road have been cut down for building houses. 翻譯：路旁的很多大樹都被砍掉建房了。 2）The doctor advised my father to cut down smoking. 翻譯：醫(yī)生建議我的父親減少抽煙。,Cut 拓展,1）大量的竹子已經(jīng)被砍倒了 翻譯：A lot of bamboos have been cut down. 2）Last week our electricity was cut off. 上周我們的電力中斷了。 3）Cut up the meat and we’ll make some dumplings. 把肉切碎，我們要包水餃 4）Please cut an article out of the newspaper 請從報紙上剪下一篇文章. 歸納： cut off（切斷） cut up 切碎 cut out of 裁出來,2.dig up 掘出、挖出 （過去時 dug， 過去分詞 dug ，現(xiàn)在分詞：digging） He was lucky enough to dig up a valuable old pot in the field. 他很幸運地在田地里挖出一個很有價值的古壇子。 3.protect vt. 保護，警戒 You need warm clothes to protect you against the cold. The driver was wearing dark glasses to protect himself from the sun. 司機帶著眼鏡以保護眼睛不受陽光刺激。 總結(jié)：protectfrom/ against 保護….免遭…/ 保護……不受……的傷害,你需要穿暖些以免著涼,4. a major disaster __________ major adj. 主要的，重要的（專業(yè)課程中）主修的 n. (大學里的)主修科目，專業(yè)； 某專業(yè)的學生 vi. 主修（某專業(yè)） a major cause 主要原因 the major subjects主修課程 練習： ① The major challenge of this country is to feed so many people. 這個國家的主要挑戰(zhàn)是要養(yǎng)活這么多人。 ② He majors in chemistry. 她主修化學。 major in,主修…， 我的專業(yè)是…,拓展： majority n.多數(shù)，大多數(shù) “the majority + of + 名詞 ”做主語，謂語動詞的單復數(shù)由介詞of 后面名詞的單復數(shù)決定。 One- third of the country ______ covered with trees and the majority of the citizens _____ black people. A is; are B is; is C. are; are D. are; is,A,5 . start a mass campaign 開展了一場大規(guī)?；顒?mass adj. 民眾的，群眾的；大規(guī)模的（僅用于名詞前） 讀例句，體會用法 1)There are masses of ice in the river. 河里有很多冰. 2) There is a mass of children in the yard. 院子里有很多孩子. 短語歸納：a mass of/ masses of a mass of +復數(shù)名詞/不可數(shù)名詞（做主語，謂語動詞用單數(shù)） masses of +復數(shù)名詞/不可數(shù)名詞 (做主語，謂語動詞用復數(shù)),大量的,6They are often so thick that you can not see the sun, and the wind is sometimes strong enough to move sand dunes. 通常情況下，沙塵暴密集得遮天蔽日，并且有時候強烈的風足以推動沙丘前進. (1)so.that.如此，以至于，引導結(jié)果狀語從句 模仿造句： 他是一位如此好的老師以至于同學們都喜歡他。 He is so good a taecher that he is loved by all his students. 拓展：so.that.結(jié)構(gòu)中，so +adj./adv.放句首時，句子要用 半倒裝語序。 So tired were they that they could not walk any further. 模仿造句： 這個男孩如此害怕，以至于他不知道該做些什么。 So frightened was the boy that he didn’t know what to do.,（2）enough adv充足的，足夠做.的 常用結(jié)構(gòu)：adj./adv.+ enough + to do 這個塑料袋不夠大，裝不下這么多東西。 The plastic bag is no___________________so many things. 常用結(jié)構(gòu) enough +n. + to do 或 n. + enough+ to do. 我們有足夠的時間來閱讀這些參考書。 We have___________________________ the reference books.,big enough to hold,enough time/ time enough to read,7.To have been caught in a sandstorm was a terrible experience. (1) to have down sth.結(jié)構(gòu)是動詞不定式的完成式，表示不定式短語動作發(fā)生在主句謂語動詞之前。在此句中to do結(jié)構(gòu)做主語 To have been punished was an unforgettable experience. 體會下文例句： To be cycling in a sandstorm is frightening. (2) be caught in 被困在（某種狀況中）, 遭遇（風，雨，雪等） 我們的車被大雪困住了。 Our car was caught in the heavy snow.,被懲罰是一種難忘的經(jīng)歷,8.Sandstorms in China appear to have increased in recent years as a result of “desertification”. appear vi. （1）出現(xiàn) 反義詞: The sun appeared in the east. 太陽在東方升起 (2)看起來，似乎 常用句式: appear (to be ) appear to do It appears that 他只有四十歲，但是看上去很老。 He is only forty, but ________________ 我似乎覺得你們都錯了。 __ __________ ____ ____ ____you are all mistaken.,disappear,appears (to be ) quite old,It appears to me that,9 . wake up to 發(fā)覺； 認識到；意識到 拓展：wake up 醒來；叫醒 讀例句，體會用法： The drivers must wake up to the danger of drunk driving. 翻譯：司機們必須意識到醉酒駕車的危險 They were so tired that they did not wake up until the next morning. 翻譯：他們是如此的累，以至于一直睡到第二天早上才醒來。,【達標檢測、歸納總結(jié)】,用本節(jié)課中學的知識點完成下列句子。 1.This factory’s production _________________________.(減少) 2.He is likely to _________________IT in the future.（主修) 3.Tom ________________and was late for work. 湯姆遇上堵車，上班遲到了。 4.Tom was late for school yesterday because his mother didn’t wake him up on time。 湯姆昨天上學遲到了因為他媽媽沒有及時叫醒他。,has been cut down,major in,was caught in,【達標檢測、歸納總結(jié)】,5.So thick___________ the sandstorm that we could not see the roads. 6. 為了保護環(huán)境，我們不要過度砍樹和挖草。 In order to protect the environment, we should not cut too many trees and dig up too much grass . 7.The girl ______________________ it. 這個女孩好像已經(jīng)知道了這件事情。 8.There_____________(be)masses of people in the hall. 大廳里有很多人。 9. There ___________ (be)a mass of children in the yard. 院子里有很多孩子。,was,appeared to have known,are,is,【知識梳理、歸納總結(jié)】,Cut down Dig up Protect Major mass,So that Enough To have been done Appear Wake up to,【預(yù)習指導、新課鏈接】,預(yù)習學案：動詞不定式 預(yù)習內(nèi)容： 1.P107-108不定式的構(gòu)成和用法 2.不帶To 的不定式的特殊用法 預(yù)習作業(yè)：完成預(yù)習學案,