unit2book4导学案Word文档格式.docx
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unit2book4导学案Word文档格式.docx
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b.HegraduatedfromSouthwestAgricultureCollege.
c.In1950,Chinesefarmersproduced50milliontonsofrice.
d.200milliontonsofricewasproducedbygrowinghishybridrice.
e.Hesearchedforawaytoincreasericeoutputswithoutexpandingtheareaoffields.
f.Hehelpsridtheworldofhungerbycirculatinghisknowledgeinlessdevelopedcountries.
A.acbedfB.acbefdC.cabedfD.acebdf
6.WhichofthefollowingdescriptionaboutDrYuan’spersonalityisnottrue?
A.Hecareslittleaboutmoneyandfame.
B.Hewouldratherworkthanleadacomfortablelife.
C.Heenjoysasimplerlifethanmostrichandfamouspeople.
D.Heissatisfiedwithhislifebecauseheisnowrichandfamous.
二、Readthepassagecarefullyandanswerthefollowingquestions.
1.Whydoeshewanteveryonetocallhimafarmer?
2.Whathappenedtohimin1974?
3.Whatwerehisdreams?
三、Readthetextandmatcheachparagraphwiththemainidea.
1.Para.1﹙﹚A.DrYuan’sdreams.
2.Para.2﹙﹚B.DrYuan’spersonality.
3.Para.3﹙﹚C.DrYuan’sbiography.
4.Para.4﹙﹚D.DrYuan’sappearanceandhisachievements.
四、CompletethefollowingnotesaboutYuanLongping.
Name:
Nationality:
Age:
Occupation/job:
Education:
Dream:
Achievements:
Hobbies:
五、Summary
Famousscientistasheis,YuanLongpingconsidershimselfafarmer.Asayoungman,YuanLongpingsawthegreatneedforincreasingtherice1.Atthetime,2wasadisturbingprobleminChina.Hewantedtoincreasericeharvestswithout3theareaofthefields.In1974,aspecialstrainofricemadeitpossibletoproduceone-thirdmoreofthe4inthesamefields.5tohisresearch,theUNhasmoretoolsinthe6toridtheworldofhunger.Heisnow7hisriceknowledgeinlessdevelopedcountriestoincreasetheirriceharvestsandhewantsto8hisricesothatitcanbegrownaroundtheglobe.Thoughhehas9forthepastfivedecades,DrYuanisquite10withhislife.Inhissparetime,heenjoyslisteningtoviolinmusic,playingmah-jong,swimmingandreading.
导学二、WordsExpressionsandStructures
1.supply
1)用作名词时
①指“供给;
供应”等,其反义词为demand(需求)。
supplyanddemand供与求
beinshortsupply供应缺乏,供应不足
foodsupply食物供应watersupply供水
②当“供应品;
生活用品;
补给品”等讲时,常用复数supplies。
militarysupplies军需品householdsupplies家庭用品
medicalsupplies医用品
2)用作动词时,指“供给,提供,备办”等。
supplysb.(with)sth.
supplysth.to/forsb.
Theysuppliedfoodto/forhim.他们供给他食物。
Thelibraryiswellsuppliedwithbooks.图书馆备有充足的书籍。
【辨析】supply,provide和afford
supply向群众、市场、城市、工厂等供应物品。
provide主要指为某人、某物供应物品,尤其指生活必需品。
afford指为一定的目的而提供所需要的东西。
Theyprovidedtherefugeeswithfoodandmedicine.
他们为难民提供食品和药品。
Theseeffortsaffordedususefulexperience.
这些努力使我们得到一些有用的经验。
【即学即练】
Alltheroomsare___withelectriclights.
A.suppliedB.givenC.offeredD.burnt
2.buildup逐渐积聚;
增进,增强
Trafficonthisroadisbuildingup.
Hehasbuiltuphisbusinessoveryears.
PractisingChinesekungfucannotonly___one’sstrength,butalsodevelopone’scharacter.
A.bringupB.takeupC.buildupD.pullup
3.leadto导致;
通向
Hismistakesledtohisfailure.
Thisroadleadstotherailwaystation.
Thoughplasticbagsreallybroughtconveniencetous,theyalso______manyproblemsfortheenvironment.
A.ledtoB.referredto
C.contributedtoD.resultedfrom
4.focuson聚集;
集中
Pleasefocusyourmindonthefollowingproblem.
Alleyeswerefocusedonhim.
5.keep…freefrom远离或避免
Keepfreefromemotionalreactions.
Keepfreefromrestrictions.
6.Haveyouevergrownanyplants?
Ifso,whatdidyoudotogrowthem?
ifso=ifyouhaveevergrownsomeplants
so表示“像那样的,如前所说的”,用于代替已陈述的事。
如:
—Canyoupasstheexam?
—Ihopeso.
7.…,forwhomhehasstruggledforthepastfivedecades.
strugglevi.搏斗,挣扎,努力,拼搏
Shestruggledupthestairswithherheavybags.
她提着沉重的行李艰难地走上楼梯。
【搭配】struggleagainst与……斗争,为反对……而斗争
strugglefor为争取……而斗争
8.DrYuanLongpinggrowswhatiscalledsuperhybridrice.
1)superadj.特级的,超级的
2)what=thething(s)that
e.g.Idon’tquiteunderstandwhatyouareexplaining.
PleasewatchwhatIamdoingcarefully.
1)____theemperorsawwasquitedifferentfrom_____theoldministertoldhim.
A.What;
whatB.That;
what
C.Which;
thatD.All;
all
2)Itisprettywellunderstood_____controlstheflowofcarbondioxideinandouttheatmospheretoday.
A.thatB.whenC.whatD.how
9.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.
Ø
it在句中作形式宾语,真正的宾语为toproduce…,结构为:
动词+it+adj.+todo.it作形式宾语,通常和下列动词连用:
consider,think,make,find,believe,count,declare,deem,fancy,feel,guess,imagine,judge,prove,see,show,suppose,understand,take等。
Weconsideritourdutytosupportgoodleaders.
Thenewmethodmakesitpossibletocompletethetaskfaster.
Ilike____intheautumnwhentheweatherisclearandbright.
A.thisB.thatC.itD.one
10.DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.
▲search=trytofindbylookingfor搜查
【拓展】与search相关的短语
searchsb./sth.搜查某人/某物
searchforsb./sth.搜寻某人/某物
searchsth./sb.for…搜查某物/某人以寻找……
insearchof寻找
searchout发现
【点津】
searchsb.指“搜查某人”,指对某人进行搜身。
searchforsb.指“搜寻某人”,指为了要找到某人进行搜寻,相当于lookfor。
例如:
Sheleftnostoneunturnedinhersearchforherlostchild.
11.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.
1)thanksto表示“幸亏,多亏”,多用于表达正面意思,相当于感谢,在句中作状语和表语。
Thankstoyourhelp,muchtroublewassaved.
多亏你的帮助,减少了许多麻烦。
Animals’livingenvironmentshavebeengettingworse_____theincreaseofindustrialpollution.
A.thankstoB.becauseC.asD.since
12.Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.
英语中的倍数表达法共有三种形式:
(1)倍数+形容词/副词的比较级+than...
(2)倍数+as+形容词/副词的原级+as...
(3)倍数+the+名词+of...
Thisbuildingisfivetimeshigherthanthatone.
这座楼比那座楼高出五倍。
ItisreportedthattheUnitedStatesuses___energyasthewholeofEurope.
A.astwice
B.twicemuch
C.twicemuchas
D.twiceasmuch
13.Hewouldmuchratherkeeptimeforhishobbies.
wouldrather宁愿,宁可
He’dratherworkinthecountryside.
1)wouldrather…than…宁愿……而不……,与其……不如……
IwouldratherwatchTVathomethangotothecinema.
2)would…ratherthan…=wouldrather…than…
Facingtheenemies,oursoldierswoulddieratherthansurrender.
面对敌人,我们的战士宁死不屈。
Ratherthanrefusetohelpyou,Iwouldborrowmoneyfrommyfriends.我宁可向朋友借钱,也不愿拒绝帮助你。
【真题在线】
—Shallwegoskatingorstayathome?
—Which____doyourself?
(2005全国高考)
A.doyouratherB.wouldyourather
C.willyouratherD.shouldyourather
wouldratherdosth.更喜欢做某事
导学三、Readding﹙2﹚Chemicalororganicfarming?
I.Readthepassageandanswersomequestions.
1.Whyarechemicalfertilizerssopopularinfarmingtoday?
2.Whatproblemscanbecausedbyusingchemicalfertilizers?
3.Whatisorganicfarming?
4.Whatisthemainreasonforusingorganicfarmingmethods?
II.Readthetextagainandfillintheblanks
Chemical
Farming
Advantages
Stoppingcropdiseaseand
increase__________
Disadvantages
Damagingtheland:
killingthehelpful________________Damagingpeople’shealth:
◆Manychemicalsinthefoodsupplycanleadtocancerorotherillnesses.◆Foodgrowstoofasttobefullofmuch________.
Organic
farming
____
Togrowgoodfoodandavoiddamagingtheenvironmentorpeople’shealth
Methods
◆Using_______wastefromanimalsasfertilizer
◆Changing______________ineachfieldeveryfewyears◆Using_____________ofsoiltoplantcrops◆Planting_____betweencrops
导学四、语法动词—ing形式作主语和宾语
Ⅰ、v-ing作主语,表示一般或抽象的多次行为。
Playingwithfireisdangerous.
【归纳】常用-ing形式作主语的句型有:
It+be+awasteoftimedoing做……是浪费时间的
Itis/wasnogood/usedoing做……是没用处的
Itis/washardly/scarcelyworthdoing做……不值得
Itis/wasworth/worthwhiledoing做……是值得的
II.v-ing作宾语
1.Weshouldpractise__speaking_(speak)Englisheveryday.
2.Hedevotedhislifeto__studying_(study)thewildanimals.
3.Missingthebusmeans_waiting_(wait)foranothertwohours.
【归纳】
1.只接v-ing作宾语的常见动词
要记住如下动词及短语只跟动名词作宾语:
acknowledge承认,自认cease停止mention说到,讲到
admit承认tolerate忍受dislike不喜欢,讨厌
advocate:
提倡,主张complete完成dread可怕
appreciate感激,欣赏confess坦白endure忍受
avoid避免contemplate细想enjoy享有,喜爱
bear忍受defer拖延envy嫉妒
can'
thelp不禁delay延迟escape逃跑,逃避
tstand受不了deny否认excuse借口
consider考虑detest嫌恶fancy幻想,爱好
fa
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