202X_202X學(xué)年高中英語Unit2Workingtheland單元重點小結(jié)課件新人教版必修4

1、-1-單元重點小結(jié)單元重點小結(jié)單元重點小結(jié)重點詞匯 1.struggle vi.& n. struggle against/with和做斗爭;struggle to ones feet掙扎著站起來;struggle for為而努力/掙扎;struggle to do sth.努力做某事例如:The old woman fell on the ground and she struggled to her feet.那位老太太摔倒在地,她掙扎著站起來。2.expand vt.& vi. 使變大;伸展 n. 膨脹 expand to擴展到;expand into擴張成為;expand on進一步論

2、述3.circulate vi.& vt. 循環(huán);流傳 n.循環(huán) circulate.to.向傳播;circulate among在中間流通;in circulation流通;o circulation把投入流通斗爭;拼搏;努力 expansioncirculation單元重點小結(jié)4.thanks to 同義詞組:due to,as a result of,owing to,because of例如:Thanks to his sisters advice,he has made great progress in his English.幸虧他姐姐的建議,他的英語取得了很大進步

3、。5.be satisfied with對感到滿意be satisfied to do sth.對做某事感到滿意;satisfy the needs/demands of sb.滿足某人的需要/需求;be satisfied that.確信 n.滿意;to ones satisfaction令某人滿意的是;satisfying adj. 令人滿意的;satisfactory adj.滿意的 幸虧;由于;因為satisfaction單元重點小結(jié)6.would rather寧愿;寧可would rather do.than do.寧愿做而不愿做;would rather后接從句時,從句要用虛擬語氣

4、,即從句用一般過去時表示現(xiàn)在或?qū)淼脑竿?用過去完成表示過去的愿望。例如:He would rather his father stayed at home.他寧愿他的父親待在家里。7.therefore adv. 因此;所以;因而同義詞:so,thus8.equip vt.& vi. 裝配;配備equip.with.;equip.for.給配備;be fully/well/poorly/specially equipped裝備齊全/完好/較差/獨特 n. 設(shè)備 例句:We have to equip our office with a printer,dont we?我們辦公室應(yīng)該配備有一臺

5、打印機,是嗎?用裝備equipment單元重點小結(jié)9.regret vt. 遺憾;惋惜n. 惋惜;懊悔regret doing sth.;regret to do sth.;to ones regret ;with regret regretful adj. 感到后悔的;regrettable adj. 令人遺憾的,可惜的例如:Do you regret helping a person like him?你后悔幫助過像他那樣的人嗎?10.lead to導(dǎo)致;造成(后果)take the lead in sth.在某方面領(lǐng)先;(be) in the lead領(lǐng)先leadership n.領(lǐng)導(dǎo)后

6、悔做了某事遺憾去做某事使某人感到遺憾/可惜的是遺憾地單元重點小結(jié)11.focus on in focus焦點對準;out of focus模糊的;o focus給對好焦距例如:All his attention was focused on what he was doing.他所有的注意力都集中在他正在做的事情。12.reduce vt. 減少;減縮be reduced to淪落為,減少/降低到;be reduced by.減少/降低了reduction n. 縮小;減少;make a reduction減價ment n.& v. 評論;議論comment on對評論;no

7、 comment無可奉告例如:They never comment on what Im doing.他們從未對我做的事情進行評論。集中(注意力、精力等)于單元重點小結(jié)重點短語 1. 幸虧;由于;因為2.使擺脫或除去 3.對感到滿意4.寧愿;寧可 5.逐漸增強;建立;開發(fā)6.導(dǎo)致;造成(后果)7.集中(注意力、精力等)于 8.使免受(影響、傷害等);使不含(有害物)thanks torid.ofbe satisfied withwould ratherbuild uplead tofocus onkeep.free from/of單元重點小結(jié)重點句型 1.,what did you do to

8、 grow them?如果種過,你是如何種的?2.Yuan Longping grows super hybrid rice.袁隆平種植的是被稱為“超級雜交水稻”的稻種。3.This special strain of rice possible 20% more of the crop in the same fields.這種特殊的稻種使得同樣的田地多收獲20%的產(chǎn)量。4.Using his hybrid rice,farmers are producing harvests .用他的雜交水稻種子,農(nóng)民們種出的糧食比以前多了一倍。5.Over the past half century,u

9、sing chemical fertilizers in farming.在過去的半個世紀里,在耕作中使用化肥已經(jīng)很普遍。If sowhat is calledmakes itto producetwice as large as before has become very common單元重點小結(jié)重點語法The -ing form as the Subject and Object(-ing形式作主語和賓語)1.I can imagine him (drive) his new car.2.(get) water from wet to dry places is necessary.3.

10、(learn) more about farming is not difficult.4.He admitted (make) a terrible mistake.5.How I regret (talk) with that old man about the accident!drivingGettingLearningmakingtalking單元重點小結(jié)功能 Persuasion(勸說)Id rather.我寧愿Id prefer.because.我更喜歡因為If I have a choice Ill choose.如果我可以選擇,我將選擇Its better to.最好I do

11、nt like.because.我不喜歡因為Its a great pity that.真是遺憾。You need to.你需要The advantages are.好處是Whats the advantage of.?的好處是什么?單元重點小結(jié)書面表達寫作技巧書面表達寫作技巧1遵循遵循“三四五六三四五六”寫作原則寫作原則一、培養(yǎng)三種能力審題能力:為什么寫作、要傳遞什么信息、要說明什么問題、要表達什么思想等;表達能力:表達內(nèi)容明確、語言簡潔、地道、流暢,詞匯豐富,有自己的見解等。當然,要注意書寫美觀,字數(shù)合適,標點恰當。組織能力:思路清晰、內(nèi)容條理,邏輯性強,主題突出。二、堅持“四性”原則思路

12、條理性:思路表達要清晰,層次要分明,邏輯性強。表達準確性:詞匯、短語、句式要準確運用。語言流暢性:使用適當?shù)倪^渡詞或者過渡句,以使行文流暢,語言連貫,表達清楚。句式多樣性:句式要多樣,串聯(lián)要巧妙。單元重點小結(jié)三、達到 “五美” 效果完成的作文要做到:內(nèi)容美、語言美、銜接美、結(jié)構(gòu)美和卷面美。四、遵循 “六個” 步驟一定框架:確定主題和段落結(jié)構(gòu),審定人稱、主體時態(tài)等框架內(nèi)容。二列要點:根據(jù)題目提示,提煉出寫作要點,并根據(jù)要點寫出主體句子。三連句子:把羅列的詞匯或者短語連接成句子,然后把句子用恰當?shù)倪^渡句或者銜接詞連接成文。四磨語言:綜合運用過渡語的使用、長短句的搭配、倒裝、非謂語動詞、強調(diào)句型、獨

13、立主格、復(fù)合句的使用、高級詞匯等手段進行美化打磨,以達到地道、流暢、一氣呵成的效果。單元重點小結(jié)五要檢查:檢查大小寫、標點、時態(tài)、語態(tài)、主謂一致等文章的一致性,糾正修改錯誤或者不連貫的地方。六要認真謄寫:將草稿快速、工整地謄寫到試卷上,注意卷面整潔美觀。單元重點小結(jié)【文章導(dǎo)讀】科學(xué)家袁隆平帶領(lǐng)的抗海水水稻研發(fā)團隊近日對在迪拜熱帶沙漠實驗種植的水稻進行測產(chǎn),最高產(chǎn)量超過每公頃7.5噸。這是全球首次在熱帶沙漠實驗種植水稻取得成功,為沙漠地區(qū)提升糧食自給能力、保障全球糧食安全和改善沙漠地區(qū)生態(tài)環(huán)境再添“中國貢獻”。Famous Chinese agricultural scientist Yuan

14、Longping and his research teams experiment of planting saltwater-tolerant rice in desert areas of Dubai (迪拜)in the United Arab Emirates proved to be a success,with one type of rice producing more than 7.5 tons per hectare(公頃),Xinhua reported.單元重點小結(jié)Saltwater-tolerant rice is designed to grow in tidal

15、 flats(潮灘地) or other areas with heavy salt content.It was the worlds first successful case of planting rice in a tropical desert area,standing as Chinas contribution to improving the ability of people in desert areas to be self-sufficient(自給自足的) in main foods,a move that can protect global food secu

16、rity and improve the desert ecological environment.In January,the center chose dozens of types of hybrid rice and planted them on small places of desert areas near Dubai.After five months of growth,the center invited experts from India,Egypt,the United Arab Emirates and other countries for evaluatio

17、n,and found three types of rice producing more than 6 tons per hectare.In June,a second evaluation will be carried out for middle-season rice.單元重點小結(jié)The technology of saltwater-tolerant rice plays a key role in the success as the natural environment of the Dubai desert is terrible for rice growth.The

18、 daytime temperatures could be as high as over 50,and nighttime temperatures could drop by 30.Humidity(濕度) stays below 20 percent and there are sandstorms from time to time.The biggest challenge is the desert soil,which is low in organic matter and unable to keep soil moisture as it is totally sand.To make it worse,sea water remains just 7.5 meters below the soil,which makes it easy to be full of salt.With this success,the center and the private investment office of the ruler of the Emirate