人教課標高一必修4 Unit 2 Working the land單元復習課件

Unit2Workingtheland知識歸納單詞名詞與農業(yè)有關：output,crop,grain,production,bacteria(bacterium的復數(shù)形式),pest,mineral,soil,root,nutrition其它：freedom,nationality,decade,occupation,comment,statistic(s),summary,Vietnam,battle,discovery,hunger,summary單詞動詞underline,focus,export,circulate,expand,equip,struggle,skim,regret,rid,reduce,confuse形容詞sunburnt,super,disturbing,chemical副詞therefore短語詞匯表thanksto,rid...of,besatisfiedwith,wouldrather,buildup,leadto,focus

on,keep...freefrom/of課文中careabout,causedamageto...,wash...off,berichin句式主語+be+倍數(shù)+as+形容詞原級+as...e.g.Eachearofricewasasbigasanearofcornandeachgrainofricewasashugeasapeanut.語法動詞-ing作主語和賓語(一)基本單詞1.____________vi.&n.斗爭;拼搏;努力2.____________n.十年;十年期3.____________adj.特級的；超級的4.____________n.產量；輸出5.____________n.莊稼；農作物；產量6.____________adj.引起煩惱的；令人不安的struggledecadesuperoutputcropdisturbing知識清單7.____________vt.&vi.使變大;伸展8.____________vt.&vi.循環(huán);流傳9.____________n.戰(zhàn)役；戰(zhàn)斗；較量

vt.&vi.

搏斗；奮斗10.____________n.自由；自主11.____________adv.因此;所以;因而12._____________n.谷物；糧食；顆粒13.____________n.國籍expandcirculatethereforenationalitybattlefreedomgrain14.__________n.工作;職業(yè);占領15.__________vt.遺憾;惋惜n.遺憾;懊悔16.__________n.生產；制造17.________n.細菌(bacterium的復數(shù))18.__________n.害蟲19.__________n.營養(yǎng)；滋養(yǎng)；食物20.__________

n.礦物；礦石regretbacteriapestnutritionoccupationproductionmineral21.__________n.土壤22.__________n.焦點;中心點

vt.集中;聚焦23.__________vt.減少;減縮24.________n.根；根源25.__________vt.瀏覽；略讀26.__________vt.

畫底線標出；強調27.__________n.評論;議論

vi.&vt.表達意見;作出評論focusreducecommentsoilrootskimunderline(二)派生單詞28.___________n.饑餓;欲望

vt.&vi.(使)饑餓→__________adj.饑餓的;渴望得到的29.____________vt.&vi.配備;裝備→____________(不可數(shù))n.設備30.____________vt.&vi.輸出;出口→__________(反義詞)vt.&vi.輸入;進口hungerhungryequipequipmentexportimport31.____________n.發(fā)現(xiàn)；發(fā)覺→__________v.發(fā)現(xiàn)32.____________vt.使迷惑;使為難→____________adj.令人迷惑的→____________adj.感到迷惑的→_____________n.迷惑33.____________n.總結;摘要;概要→_____________vt.總結confuseconfusingconfusedconfusionsummarysummarizediscoverydiscover1.幸虧，由于，因為_____________2.擺脫，除去______________3.對……感到滿意_______________4.寧愿，寧可________________thanks

torid

…ofbe

satisfied

withwould

rather(三)短語5.逐漸增強;建立;開發(fā)__________6.導致;造成(后果)__________7.集中(注意力/精力等)________8.使……免受(影響;傷害等);使……不含(有害物)__________________build

uplead

tofocus

onkeep...freefrom/of1.Haveyouevergrownanyplants?Ifso,whatdidyoudotogrowthem?Ifnot,whatkindofplantwouldyouliketotrygrowing?

ifso與ifnot都是條件狀語從句的縮略形式,分別表示肯定和否定。(四)句式2.Dr.YuanLongpinggrows

what

iscalledsuperhybridrice.

what引導名詞性從句3.In1974,hebecame

thefirstagriculturalpioneerintheworldtogrow

ricethathasahighoutput.thefirst＋n.＋todo...意為“第一個要做……的……”4.Usinghishybridrice,farmersareproducingharveststwice

aslargeasbefore.

倍數(shù)表達法：

A＋be＋倍數(shù)＋as＋adj.＋as＋BA＋be＋倍數(shù)＋比較級＋than＋BA＋be＋倍數(shù)＋（由某些形容詞變化而來的）n.＋of＋B5.Recently,however,scientists

havebeenfinding

thatlong-termuseofthesefertilizerscancausedamagetothelandand,evenmoredangerous,topeople’shealth.現(xiàn)在完成進行時1.strugglevt.&vi.&n.斗爭;拼搏;努力;掙扎[課文原句]Indeed,hissunburnedfaceandarmsandhisslimandstrongbodyarejustlikethoseofmillionsofChinesefarmers,forwhomhehasstruggledforthepastfivedecades.

的確，他那被太陽曬的黝黑的臉龐和手臂，以及他那瘦削而又結實的身體，就跟其他千百萬的中國農民一樣，過去五十年來，他一直努力幫助他們。核心要點一、單詞【歸納】struggleto

dosth.

艱難地做某事,掙扎著做某事strugglefor為……而斗爭struggletoone'sfeet

掙扎著站起來struggle

with

(against)

與……作斗爭,同……搏斗struggletoone'sfeet

掙扎著站起來struggle指較長時間的、激烈的斗爭，往往指肉體及精神上的戰(zhàn)斗。fight意為“搏斗，打斗，打架”，表示“斗爭”時，包含體力和勇猛的因素。struggle/fight用適當?shù)慕樵~填空。1.Fishstruggle_____survivalwhenthewaterleveldropsinthelake.2.Foryearshehasbeenstruggling____________cancer.3.Hestruggled_____hisattackerwhothenranoff.for

with/against

with2.expandvt.使變大;使增強;闡述

vi.擴大;增加;增強[課文原句]DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefield.

袁博士(開始)在不增加農田面積的基礎上尋求水稻增產的途徑。【歸納】

o

把……擴展(發(fā)展,膨脹)成

expandon/upon

闡述;詳談【拓展】expansionn.展開；膨脹；擴展expansiveadj.廣闊的；易膨脹的expand展開,擴大,不僅指尺寸的增加,還可指范圍和體積的擴大。extend伸出,延伸,指空間范圍的擴大,以及長度、寬度的向外延伸,也可指時間的延長。spread伸開,傳播,一般指向四面八方擴大傳播的范圍,如傳播(疾病)、散布(信息)等。stretch伸展,拉長,一般指由曲變直、由短變長的伸展,不是加長。expand/extend/spread/stretch【即時應用】用expand/extend/spread/stretch的適當形式填空(1)Thehotweather__________toOctober.(2)Water_________whenitfreezes.(3)He___________hisbodyfull.(4)Thefiresoon________tothenearbybuilding.

extendedexpandsstretchesspread3.equipvt.&vi.

裝備;配備

[課文原句]Hethereforegivesmillionsofyuanto

equipothersfortheirresearchinagriculture.

于是他拿出幾百萬元幫助其他人進行農業(yè)科學研究。

【歸納】

equip...with...

用……裝備……

beequippedwith

裝備著

equip...forsth./todosth.

為了……而裝備

well/poorlyequipped

設備精良的/較差的【拓展】

equipment

n.

裝備;設備(不可數(shù)名詞)

apieceofequipment

一件設備根據(jù)中英文提示完成下列句子。1.許多公司已在他們的出租車上安裝了全球定位系統(tǒng)。Manycompanies_____________________________

GPS.2.你的訓練使你能夠勝任將來的工作。Yourtrainingwill_____________yourfuturejob.haveequippedtheirequipyoufortaxieswith

4.thereforeadv.

因此；所以；因而[課文原句]Hetherefore

givesmillionsofyuanto

equipothersfortheirresearchinagriculture.

于是他拿出幾百萬元幫助其他人進行農業(yè)科學研究。therefore/so/thus[即景活用]用therefore，so，thus填空。①Shewascaughtcheatingintheexamand________shewaspunishedbyherteacher.②Shecoughedbadly,________shewenttoseeadoctor.③Thetramstoppedsuddenly,________causingthedelay.thereforesothus5.confusevt.

使迷惑;使為難;使混亂;混淆

[課文原句]Itisimportanttoexplainthisagainorwewillconfusethestudents.把這個再解釋一次很重要，否則我們會使學生糊涂。

【歸納】

confuse...and/with...把……和……混淆【拓展】

confusionn.

混亂;迷惑inconfusion

處于混亂狀態(tài)

confusedadj.

困惑的;煩惱的beconfusedabout被……搞糊涂;對……迷惑不解confusingadj.

令人費解的;使人困惑的用confuse的適當形式填空。1.Someofthequestionsheaskedwerevery__________.2.In__________Ilostmybagandwasn’tabletofindit.3.I’mtotally__________.Couldyouexplainthatagain?4.It’seasyto_________thembecausethey’resoalike.confusing

confusionconfused

confuse6.regretvt.遺憾;惋惜n.遺憾;懊悔【歸納】

regretto

dosth.

遺憾地去做某事

regretdoingsth.

后悔做過某事

regretnottohavedonesth.后悔沒做過某事

regretthat

從句遺憾……

withgreat/deepregret

很遺憾

toone’sregret

讓某人感到遺憾的是【拓展】

regretfuladj.

懊悔的，遺憾的，惆悵的regrettableadj.

令人遺憾的，使人痛惜的，可悲的，不幸的將下列句子翻譯成英語。1.我很遺憾地告訴你，我不能幫助你。IregrettotellyouthatIcannotlendyouahand.2.他說他很后悔把事件的真相告訴了他母親。3.令他們感到非常遺憾的是，足球賽的票已經賣光了。Hesaidheregrettedtelling/havingtold/thathehadtoldthetruthofthemattertohismother.Muchtotheirregret/Totheirgreatregret,theticketsforthefootballgameweresoldout.7.focusn.

焦點;中心點v.集中;聚集

[課文原句]Theyfocusonkeepingtheirsoilrichandfreeofdisease.他們主要是想保持土壤肥沃且免受病害?！練w納】

focuson/upon

集中(注意力、精力等)于focusone’sattention/mind/energyon集中注意力/心思/精力于thefocusofattention關注的焦點ofocus使……成為焦點infocus對準焦點;清晰outoffocus沒有對準焦點;不清晰根據(jù)漢語意思補全下列句子。1.你必須努力把思想集中在工作和學習上。Youmusttryto_____________________workandstudy.2.這次討論的焦點是女性在廣告中的角色。_____________________________wastherolesofwomeninadvertising.focusyourmindonThemainfocusofthediscussion8.reducev.減少;減縮[課文原句]Ahealthysoilreducesdiseaseandhelpscropsgrowstrongandhealthy.肥沃的土壤減少了病蟲害并且有助于農作物的茁壯成長?！練w納】

reducesth.

to...

減少到……

reducesth.

by...

減少了……

bereducedto

淪落為……;陷入某種狀態(tài);被降職到……

reducetosilence使安靜下來

reducetoorder使恢復秩序；整理好【拓展】

increase

v.

增加根據(jù)漢語提示完成句子。1.這里的人口現(xiàn)在已減少到5萬。Thepopulationherehas_______________fiftythousandnow.2.聽到這個壞消息，全班都安靜了下來。Hearingthebadnews,theclasswas_________________.

3.據(jù)報道，那個地區(qū)的米價下降了5%。Itisreportedthatthepriceofthericeinthatarea_______________5%.beenreducedto

reducedtosilencewasreducedby9.commentvi.&vt.

表達意見；作出評論

n.評論；議論[課文原句]Swapsummarieswithyourpartnerandgiveeachothercomments.【歸納】commenton/aboutsth./sb.對某事/某人進行評論makecomments/nocommentonsth./sb.

對某事/某人進行評論/不進行評論翻譯下列句子。1.Shemadehelpfulcommentsonmywork.

2.Idon’tfeelIcancommentontheirdecision.她對我的工作提出了有益的評論。我覺得我無法對他們的決定作出評論。

課堂練兵單詞拼寫1.Hehasbeenlivingherefora________(十年)．2.Theyhopeto________(擴大)theircompany.3._________(因此),wemusttreasurethetime.4.“We_______(出口)themandthenweneedtoimportthem,”Jamessaid.decadeexpandThereforeexport5.Theconditionpreventsthebloodfrom___________(循環(huán))freely.6.Theyhavetor_______expensesthisyear.7.I’mtootiredtof_____onanything.8.Canyoushowanythingtoproveyourn_________？circulatingreducefocusnationality9.Themanagermadenoc_______onmyadviceatthemeeting.10.Theteacherwrotedownthesentencesandu__________thekeywordsinadifferentcolor.commentunderlined1.thanksto

由于；多虧（有時用作反語）;因為[課文原句]Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.多虧他的研究，聯(lián)合國在消除世界饑餓的戰(zhàn)斗中又多了些方法?！就卣埂?/p>

表示“因為，由于”的短語還有：becauseof,owingto,onaccountof,dueto,asaresultof,resultfrom二、短語[方法規(guī)律]

owingto和thanksto的賓語所表達的內容往往是正面的、積極的東西。dueto、becauseof和asaresultof的賓語則為中性的內容。在表達負面、消極的內容時多用asaresultof和dueto?！緶剀疤崾尽恳陨线@些都是介詞短語，因此后面可以跟名詞或動名詞而不可以跟從句。根據(jù)漢語提示，用thanksto完成下列句子。1.Itwasallagreatsuccess—_________________________(由于盡心竭力).2.____________________(多虧了你的幫助),wearrivedtheresafely.thankstoalotofhardworkThankstoyourhelp2.rid...of

擺脫;除去[課文原句]Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldof

hunger.【拓展】

ridoneselfofdebts

還清債務

ridsb.

ofone’sdoubt

消除某人的疑慮

ridoneselfofabadhabit

改掉……不良習慣

getridof

擺脫;除去

beridof

擺脫;去掉3.besatisfiedwith

對……表示滿足或滿意

[課文原句]DrYuanisquitesatisfiedwithhislife.

袁隆平對生活非常滿足。【拓展】

behappywith對......滿意becontentwith對......滿意besatisfiedtodosth.對做...…感到滿意toone’ssatisfaction=tothesatisfactionofsb.使某人滿意的是4.wouldrather

寧愿，寧可其后接動詞原形

[課文原句]Hewouldmuchratherkeeptimeforhishobbies.他寧愿把時間花在自己的業(yè)余愛好上?！就卣埂?/p>

wouldrather...than...常用句式，意為“寧可（愿）……（而）不要（愿）……”wouldrather＋從句，從句要用虛擬語氣，用動詞的過去時表示。wouldratherhavedone

本想做……（而實際上未做）

每個句子都有一處錯誤，請找出并改正。

1.ThisSundayIwouldratherstayingathomethangotothepark.

_______________2.Hewouldratherdon’tgowithme._______________3.I’dratherhadthesmallapple._______________staying

→

staydon’t

→

nothad

→

have5.buildup

逐漸增加，變得嚴重起來，(車輛)擁擠起來；積累，積聚；加強(力量)，增強(體質)；建立，開發(fā)

[課文原句]Thesechemicalsinthefoodsupply

buildupinpeople’sbodiesovertime.隨著時間的推移，食物中的這些化學成分會在人體中堆積?！練w納】buildsb./oneselfupbuildupone’sbody/strength/health增強某人的體質，使某人更加強壯。翻譯句子。1.Hardworkingconditionsbuildupcharacter.2.I’mverygladtoseethatyourvocabularyisgraduallybuildingup.3.Wearebuildingupagoodbusiness.艱苦的工作條件能磨練人的性格?？吹侥愕脑~匯量在逐漸增長，我很高興。我們的生意興隆。[真題呈現(xiàn)](2013·浙江，17)Bears________fatstoresthroughoutthesummerandfalltohaveenergyenoughtolastthemthroughtheirwintersleep.

A.packupB.buildupC.bringupD.takeup

B6.leadto

導致;造成(后果);通向

[課文原句]Manyofthesechemicalscanlead

tocancerorotherillnesses.許多化學成分導致癌癥或其他疾病?！就卣埂?/p>

leadsb.todosth.誘導某人做某事，使某人做某事leadsb.tosp.帶領某人去某地leadsb.into帶某人進入leadtheway引路,帶路lead/live/havea...life過著……樣的生活用lead

to翻譯下列句子。1.吃太多的糖會引起健康問題。

Eatingtoomuchsugarcanleadtohealthproblems.2.這條路通向公園。

Theroadleadstothepark.3.她帶領我們到了樓上的房間。

Sheledustoaroomupstairs.[真題呈現(xiàn)](2010·重慶，30)Thenewsshockedthepublic,________togreatconcernaboutstudents’safetyatschool.A.havingled B.ledC.leading D.toleadC7.keep...freefrom/of

使……免受(影響/傷害);使……不含(有害物)

[課文原句]Theyfeelthatthismakesthesoilintheirfieldsricherinmineralsandsomorefertile.Thisalsokeepstheair,soil,waterandcropsfreefromchemicals.他們認為這樣會使地里的土壤更富含礦物質，因而也會更加肥沃，同時還可以讓空氣，土壤，水以及農作物不受化學物質的污染。

【拓展】

befreefrom/of...

無……的;免于……的

forfree

免費

freeofcharge

免費課堂練兵用所學短語填空1.Theprecisioninstrumentmust_________________dust.2.Hiseyesslowlybeganto________whatlookedlikeasmalldarkball.3.Henry____________thathisgirlfriendworkedinthesamedepartmentashedoes.bekeptfreefrom

focuson

wouldrather

4.Everymorningmygrandfatherspends45minutesdoingphysicalexercisesto________hishealth.5.Thiskindofdiscussionwill________stillgreaterdifferencesbetweenthetwoparties.buildupleadto1.Ifso,whatdidyoudotogrowthem?如果這樣的話,你做了些什么來種植這些植物？①ifso意為“如果是這樣的話”,是if引導的條件狀語從句的省略形式,表示肯定意義,如果表示否定意義,則用ifnot。(三)句式②if構成的其他省略形式：ifany

如果有的話ifpossible

如果可能的話ifnecessary

如果必要的話[真題呈現(xiàn)](2011·江蘇，33)Itsoundslikesomethingiswrongwiththecar’sengine.________,

we’dbettertakeittothegarageimmediately.A.Otherwise B.IfnotC.Butforthat D.IfsoD2.In1974,hebecame

thefirstagriculturalpioneerintheworldtogrow

ricethathasahighoutput.

thefirst/last/best/only/very/right...+n.+todosth.表示“第一個/最后一個/最好的一個/唯一的/恰好的/合適的……做某事的人/物”。不定式放在表示次序的詞thefirst,thelast,the