最新人教版高中英语必修4unit2教学案.docx
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最新人教版高中英语必修4unit2教学案
人教版高中英语-必修4unit2-教学案
必修4Unit2Workingtheland教学案
Model4Unit2Workingtheland-----Reading
主备人：
周相存审查人：
周相存
一．预习汇报
二．学生自学，教师巡导
Lead-in
Thefacts:
1.Todayourworldhouses6.55billionpeople.
2.Morethan800millionpeoplegotobedhungryeveryday.
Thinkaboutit:
Whatshouldwedo?
——————————————————————————————————
Pre-reading
RiceisthemainfoodinallEastAsianandSoutheastAsiancountries.Whatdoyouthinkwouldhappeniftomorrowtherewassuddenlynoricetoeat?
____________________________________________________________________
Fast-reading
Skimming
Para1A.DrYuan’sdreams.
Para2B.DrYuan’spersonality.
Para3C.DrYuan’sbiography.
Para4D.DrYuan’sappearanceandhisachievement.
Scanning
Finddetailedinformation
Name:
________________Nationality___________________
Age:
_________________Occupation:
__________________
Education:
________________________________________________________
Careful-reading
Para.1
1.WhatdoesDr.Yuanlooklike?
__________________________________________________________________
2.Whatishisachievement?
__________________________________________________________________
Para.2
1.WhydidDr.Yuanwanttoincreasethericeoutputwhenhewasyoung?
_________________________________________________________________
2.Howdoeshehelpridtheworldofhunger?
_________________________________________________________________
3.Putthefollowingsentencesinrightorder.
a.Hewasborn.
b.HegraduatedfromSouthwestAgriculturecollege.
c.Chinesefarmerscouldonlyproduced50milliontonsofrice.
d.200milliontonsofricewasproducedbygrowinghishybridrice.
e.Hesearchedawaytoincreasericeoutputswithoutexpanding〔扩大〕theareaoffields.
f.Hehelpsridtheworldofhungerbycirculating〔传播〕hisknowledgeinlessdevelopedcountries.
Properorder:
_____→_____→_____→_____→_____→_____
Para.3
1.WhichofthefollowingdescriptionaboutDrYuan’spersonalityisnottrue?
A.Heissatisfiedwithhislifebecauseheisnowrichandfamous.
B.Hecareslittleaboutmoneyandfame.
C.Hewouldratherworkthanleadacomfortablelife.
D.Heenjoysasimplerlifethanmostrichandfamouspeople.
2.Findouthishobbies.
________________________________________________________________
Para.4
Dr.Yuan’stwodreams.
Thefirstdream:
____________________________________________________________________________________________________________________________________
Theseconddream:
__________________________________________________________________
练习：
一．Summary.
Dr.Yuanleadsasimplelife.He___________workonthefarm_____havearest.Hehasstruggledforfivedecadestosearchforawaytoincrease_____output.Hecares_____aboutmoneyandfame.Thankstothediscoveryof_______________,hisdreamofriddingChinaof________isrealized.
Now,hehasanother_______----toexporthisricesothatitcanbegrownalloverthe_____.
Model4Unit2Workingtheland-----Usinglanguage
主备人：
周相存审查人：
周相存
Model4Unit2Workingtheland---Languagepoints
主备人：
周相存审查人：
周相存
一．P9Morethan800millionpeoplegotobedhungryeveryday.
hungry在本句中为形容词作_________,描述_________的状态。
Theoldgoatfelldowntothegrounddead.此句中_______跟hungry的用法相同。
Shewaslyinginbedawakeallthenight.此句中_______跟hungry的用法相同。
▲划出以下句子中作状语的形容词，并翻译句子。
（1）Overjoyed，herushedoutofthehouse．
（2）Muchinterested，heagreedtogiveitatry.
（3）Ripe〔Whenripe〕，theseapplesaresweet．
（4）Hespent7daysinthewindandsnow，coldandhungry.
（5）Helpless，wewatchedthehousebeingdestroyedbeforeoureyes．
三．P10Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.
twiceaslargeas翻译为________,是倍数的表达方式。
（绿色通道P30）
Ihavethreetimesasmanyasyou.
TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.
Theearthis49timesthesizeofthemoon.
由以上句子，请归纳出表示倍数的表达方式。
（1）A+be+________+as+_________+as+B
AsiaisfourtimesaslargeasEurope.
（2）A+be+________+________+than+B
AsiaisthreetimeslargerthanEurope.
（3）A+be+________+the+名词（size/length/height/depth/width）+______+B
AsiaisfourtimesthesizeofEurope.
练习：
仿照例句，用三种方式造句。
这张桌子是那张桌子的三倍长。
（1）_________________________________________
（2）_________________________________________
（3）_________________________________________
2.珠穆朗玛峰（MountEverest）比古剑山高7倍。
（4）_________________________________________
（5）_________________________________________
（6）_________________________________________
四．P10Hewouldmuchratherkeeptimeforhishobbies.
wouldratherdosth._________________
I’mnotsure，butI'dratherthinkSO．
Iwouldratherbelievehim.
拓展：
1.wouldratherdo...thando...=preferdoingtodoing=prefertodo...ratherthando...___________________
2.woulddo...ratherthando...________________
▲3.wouldrather（that）sb.did/haddone_______________（虚拟语气）
翻译以下句子：
1.Tomwouldratherreadthantalk．=Tomprefers_________to___________
=Tomprefers_________ratherthan__________
2.Wewouldratherrentthehousethanbuyit.=_________________________________
=__________________________________
3.Iwouldbuyacomputerratherthanamotorbike.
4.Iwouldratheryoucametomorrow.
▲5.我宁可在家洗衣服而不愿去购物。
_________________________________________
▲6.我宁愿你昨天没有买那枚戒指。
_________________________________________
▲7.他宁愿死也不戒烟。
_________________________________________
五．P10In1974,hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.
togrowrice是动词不定式做__________,修饰__________.
ThreeAmericansbecamethefirstpersonsevertocrosstheAtlanticbyballoon.
Heisthebeststudentstodotheexperiment.
划线局部都在句中作_____________,由上述句子可总结出，动词不定式常用在被_________,__________修饰的名词后做定语，且这些名词与动词不定式有逻辑上的__________关系。
1.他总是最后离开办公室的人。
Heisthelastone__________________________________.
2.她是第一个买车的人。
Sheisthefirstperson______________________________.
1.这是解决问题的最好方式。
Thisisthebestway______________________________.
六．P10Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.
1.thanksto幸亏，由于
ThankstoIhadtiedthenthesafetybelt.
Thankstoyourexplanation,it'scleartomenow.
多亏了你的帮助，我们成功了。
____________________________weweresuccessful.
▲同义辨析：
dueto:
用于较庄重的书面语中，侧重“起因于〞，在句中多作表语，有时作状语。
owingto:
可以和dueto换用，但在句中多作状语，也可作表语。
becauseof:
着重某个结果的原因，在句中通常作状语。
thanksto:
突出一种感谢之情，含“多亏〞意味。
2.ridv.使摆脱
It'snoteasytoridoneselfofahabit.
He'sgone,andI'mgladtoberidofhim.
Wehavetogetridoftheseoldnewspapers.
由以上句子，可归纳出rid的搭配：
1）__________________
2）__________________
3）__________________
七．P13regret
We'vealwaysregrettedsellingthefarm.
Iregrettotellyouthatyoucan'tsignyournameonthepaper.
IfeelnoregretaboutthechoiceIhadmade.
由以上两句，可归纳出regret的搭配:
_______________
_______________
_______________
1.很遗憾地告诉你，你已经被解雇了。
I____________________youthatyouhavebeendismissed.
2.我相信你会为离开巴黎而懊悔的。
Ibelieveyouwill_______________Paris.
3.我懊悔没有听她的劝告。
I_____________________heradvice.
4.他说他对离开大学并不懊悔。
Hesaidhehadno_________________________theuniversity.
拓展：
动词不定式或动名词都可做宾语的动词和词组：
stop,mean,try,beafraidof,remember,forget,allow/permit/advisesb.todo/doing
八．P14Theyfocusonkeepingtheirsoilrichandfreeofdisease.
1.focuson_____________
Thenoisemadeithardformetofocusonwork.
2.猜猜划线短语的意思：
Forme,yourexplanationisabitoutoffocus.
IgotherinfocusbeforeItookthephoto.
infocus_____________
outoffocus____________
3.找出同义短语
Youmustfocusonyourteacherintheclass.
Youmustpayattentiontoyourteacherintheclass.
Youmustconcentrateonyourteacherintheclass.
九．P14Thisalsokeepstheair,soil,waterandcropsfreefromchemicals.
Keep…freefrom/of__________________
这种药可以止头痛。
Thismedicinecan______you_____________headache.
拓展：
1.freefrom/of免于，没有，不受...影响此处的free是adj
Heisfreefromanysenseofresponsibility.
Thetownisfreefrompollution.
Atlasthewasfreeofhissister.
2.free...from/of...把...从...消除/解除
Theseexercisesfreethebodyoftension.
1）把外表盖好，以免尘土落在上面。
Keepthesurface______________dirt______puttingacoveroverit.
2）我们一定要让世界摆脱饥饿。
Wemust_____________________________hunger.
3）街上的落叶已清扫干净了。
Thestreetshavebeenswept_______________leaves.
练习：
1.I’vtriedveryhardtoimprovemyEnglish.Butbynomeans_______withmyprogress.
A.theteacherisnotsatisfiedB.istheteachernotsatisfied
C.theteacherissatisfiedD.istheteachersatisfied
2.-Whatamistake!
-Yes.I_____hisdoingitanotherway,butwithoutsuccess．
A.wassuggestingB.willsuggest
C.wouldsuggestD.hadsuggest
3.________anewpolicy,wearenowlivingahappylife.
A.ThankstoB.BecauseC.ForD.Thanksfor
4.Dina,_______formonthstofindajobasawaitress,finallytookapositionatalocaladvertisingagency.
A.strugglingB.struggledC.havingstruggledD.tostruggle
5.-Shallwegoskatingorstayathome?
-Which_______do?
A.wouldyouratherB.doyourather
C.willyouratherD.shouldyourather
6.Thehousewastooexpensiveandtoobig._______,I’dgrownfondofourlittlerentedhouse.
A.BesidesB.ThereforeC.SomehowD.Otherwise
7.ThenewstadiumbeingbuiltforthenextAsianGameswillbe_____thepresentone.
A.asthreetimesbigasB.threetimesasbigas
C.asbigasthreetimesD.asbigthreetimesas
8.-Robertisindeedawiseman.
-Oh,yes.HowoftenIhaveregretted______hisadvice!
A.totakeB.takingC.nottotakeD.nottaking
9.PractisingChinesekungfucannotonly_______one’sstrength,butalsodevelopone’scharacter.
A.bringupB.takeupC.buildupD.
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