人教版高中英语教案Unit Three A healthy life

UnitThreeAHealthyLife

Topic:

Healthyproblems:HIV/AIDS,anddrugs;attitudestowardsHIV/AIDS

Vocabulary:cigarette,alcohol,alcoholic,abuse,stress,adolescence,ban,tough,

addicted,accustom,accustomed,withdrawal收回，戒毒过程），automatic,automatically,

mental,mentally（精神上的），quit,effect,lung,pregnant,abnormal,breathless（气喘吁吁

地），unfit,strengthen,packet,desperate,chemical,disappointed,ashamed,comprehension,

appendix,illegal,survival,sex,prejudice,judgement,abortion,embarrassed,awkward（局

促不安的，笨拙的）

dueto,beaddictedto,accustomedto,decideon,feellike,inspiteof,takerisks,get

intoatrisk

Sentencepatterns:

1.ItseemsamazingthatatmyageIamstillfitenoughtocycle20kilometersinan

afternoon.

2.However,whatIdidknowwasthatmygirlfriendthoughtIsmeltterrible.

3.WhenIwastakenofftheschoolfootballteambecauseIwasunfit,Iknewitwas

timetoquitsmoking.

4.1dohopesobecauseIwantyoutoliveaslongandhealthyasIhave.

5.Everytimeyoufeellikesmokingacigarette,remindyourselfthatyouare

non-smoker.

6.ItisonlywhenthediseasehasprogressedtoAIDSthatapersonbeginstolook

sick.

Function:禁止，警告和允许（prohibition,warningandpermission）

Don'tDo

Youshould（not）...Itwouldbeagoodideato...

Don'tforgetto...Youdon'thaveto...

It'sOK/allrighttoIt'snotagoodideato

Mindyourhead/step!IwonderifIcouldsmokehere.

Would/DoyoumindifI?

Grammar:Theuseof"it"

ItisamazingthatanymyageIamstillfitenoughtocycle20kilometersinan

afternoon.

Itisnoteasytostopsmoking.

Itisnogoodcryingoverspiltmilk.

Itisabeautifulcity.

Itis10kilometerstothecastle.

ThisunitlooksatsomeofthehealthissuefacingyoungpeopleinChinatoday.Ithas

notbeenpossibletocoverallissues,HIV/AIDS,andappropriatebehavioratparties,

discos,nightclubs,etc,wherealcoholordrugsmaybepresent.Thisunitattemptsto

provideinformationaboutissuesthatmodernChinesestudentsmightencounterasthey

growintoadulthood.Theaimistoprovideyoungpeoplewithaccurateinformationand

allowthemtheopportunitytothinkaboutwhattheymightdoincertainsituations.Itis

hopedthat,asaresult,theywillthenbelesslikelytoindulgeinriskybehaviour.

Thereadingisintwoparts.Thefirstpartisaletterfromagrandfathertohisgrandson

explaininghowasmokerbecomesaddictedtocigarettesandwhyheshouldgiveup.The

secondpartgivesadviceabouthowtostopsmoking.Itissetoutlikeapageonthe

Internet.Thatis,James5sgrandfatherattachedtheInternetpagetohisletter,thesitemight

beagovernmentonethathasbeensetuptoadvisepeopleonlivingahealthylifestyle.

Period1Warmingup,Pre-reading,Readingandcomprehending

ThecentralpartofthisperiodistwosectionsinthereadingpassagetitledAdvicefrom

GranddadandHowCanYouStopSmoking?

Knowledgeandskills:

1.Toknowthemeaningsofthefollowingnewwordsandphrases:cigarette,alcohol,

alcoholic,abuse,stress,adolescence,ban,tough,addicted,accustom,accustomed,

withdrawal收回,戒毒过程）,automatic,automatically,mental,mentally（精神上的）,quit,

effect,lung,pregnant,abnormal,breathless（气口尚口于口于地），unfit,strengthen,packet,

desperate,chemical,disappointed,ashamed,comprehension,appendix,illegal,survival,

sex,prejudice,judgement,abortion,embarrassed,awkward（局促不安的，笨拙的）

dueto,beaddictedto,accustomedto,decideon,feellike,inspiteof,takerisks,get

intoatrisk

2.Tolearnaboutsomehealthproblemsandhowtoliveahealthylife.

3.Todevelopstudents'readingabilitybyskimmingandscanningthepassage.

4.Todevelopstudents'speakingabilitybytalkingabouthealthproblems.

Teachingimportantanddifficultpoints:

1.Toenablethestudentstolearnabouthealthproblemsandtodeveloptheirreading

ability.

2.Toenablethestudentstodescribeahealthypersonorahealthyactivity.

Step1Warmingup

1.Warmingupbylookingandtalkingaboutsomepictures.

2.Warmingupbyreadingthefollowingpassage:

Nowadays,itisafashiontoeathealthyfood,suchasorganically-grownfood,anddo

exercisestokeephealthy.Inbrief,peoplearetryingtoliveahealthylife.Butwhatshould

bedonetoliveahealthylife?Differentpeoplehavedifferentideas.Someonesaystolivea

healthylifeistohaveastrongbody.Somepeoplethinkkeepingpsychologicallyhealthyis

veryimportant.Inmyview,it'sessentialtokeepphysicallyandpsychologicallyhealthy.

Tokeepphysicallyhealthy,youshoulddosportslikerunning,playingbasketball,etc.

todaymoreandmorepeoplegotothefitnesscenters.Therearesomepopularwaysof

fitnesslikeyogawhichisasensationinmanycitiestoday.Ithinkitisveryusefulforusto

dosomeexerciseseveryday.Inthiswaywecanhaveastrongbody.

Moreimportantly,tokeeppsychologicallyhealthy,youshouldhaveagoodattitude

towardspeoplearoundyou.Weoftensay:"Attitudeiseverything?5Itmeansgoodattitude

leadstoagoodmood.Inthiswaywecankeeppsychologicallyhealthy.Itismoresensible

tohavepositiveattitude.Whenyoumeetwithsomehardship,youshouldnotbesad.You

shouldhaveconfidenceinyourselfanddosomethingforrelaxation.Youshouldsayto

yourself:C4Icanmakeit.Iamoneinamillion.Iamspecialinthisworld.Inthisway,you

definitelyhaveagoodmoodandworkefficiently.

Inaword,toliveahealthylifeisacomprehensiveprojectinaway.Weshouldkeep

healthybothpsychologicallyandphysically.Inourdailylifeweshoulddosomeexercises

andhaveapositiveattitudetowardslife.Wecanalsoturntosomespecialistsforadvice.

Onlyinthiswaycanweliveahealthylife.

What'sahealthylife?Tobetrulyhealthy,apersonmustbewellinmind,bodyand

spirit.

Step2Pre-reading

1.Discussion

1)Whydoyouthinksomeadolescentsstartsmoking?

2)Inwhatwaysissmokingharmful?Doyouthinksmokingshouldbebanned?

3)Whatadvicewouldyougivetosomeonewhowantstostopsmoking?

2.Skimthetextandanswerthefollowingquestions:

1)Whowrotetheletterandtowhom?

2)Howmanypartsdoesthereadingtextconsistof?

3)Whatisthepurposeoftheletter?

Step3Readingandcomprehending

1.Fast-reading:

Askstudentstoreadthetexttogetthegeneralideasofeachparagraph.

ParagraphFromthelifethewriterisleadingnow,wecanknowtheimportanceof

1healthylife.

ParagraphThewriterleadstothetopicoftheletterbvtalkingaboutJames'problem

2ofsmoking.

ParagraphIntroducingsomedifferentwaysofbecomingaddicted.

3

ParagraphTellingtheharmfuleffectsofsmoking.

4’

ParagraphTellingthewriter'shopeforthegrandson.

5

2.Detailed-reading:

1)Trueorfalseexercise

()Jamesisaddictedtosmokingnowandcouldn'tgiveitup.

()James5grandfatherisalsoaddictedtocigarettesnow.

()Smokingdoesn'taffectthehealthofthenon-smoker.

()Grandfatherquittedsmokingatlast.

()James'grandfatherknewmuchabouttheharmfuleffectsofsmokingwhenhewas

young.

2)Askstudentstoreadthetextcarefullyandthenanswersomequestions.

ThefirsttwosentencesofthelettershowthatJames'grandpalivesahealthylife.

Inwhatwaydidtheoldmantrytopersuadehisgrandsontogiveupsmokingbyusing

hisownexperience.

Accordingtotheletter,James'grandpausedtobeamemberoftheschoolfootball

team.

ThathewastakenofftheschoolfootballteamforcedJames'grandpatogiveup

smoking.

Whichofthefollowingstatementsisnottrueaccordingtothepassage?

A.Aperson'ssmokingcanhavebadeffectsonotherpeople.

B.It'snoteasyforapersontogiveupsmoking.

C.Smokinghasnoeffectsonsportsperformance.

D.Peoplecanbecomeaddictedtocigarettesindifferentways.

3)Readthetextcarefullyandchoosethecorrectwordsandphrasestofillinthe

blanks.

Chooseadaythatisnottoquitsmoking.Makealistofalltheyouwill

getfromstoppingsmoking.allyourcigarettesattheendofthedaybeforeyouplan

toquit.thelistofbenefitsyouwrotewhenyoufeellikesmoking.Developsome

otherhabitslikewalking,drinkingsomewater,cleaningthehouseandsoontokeep

yourselvesbusy.Ifyoufellnervousorstressed,trytodosomeexerciselikedeep

breathing.Youcanstopsmokingwithafriendorjoinagroup.Ifyoufellreallybad,aska

doctororforhelp.Themostimportantthingistokeeptrying.Don'tfeelif

youandhaveacigarette,becausesomepeoplehavetotrymanytimesbeforethey

finallyquitsmoking.Nevergiveupandyouwillsucceed.

Step4Languagestudy

Dealwithanylanguageproblemifany(wordsorsentencesstudentsmightnot

understand)tohelpthestudentstohaveabetterunderstandingofthetext.

Step5Listening,readingandunderstanding

Askstudentstoreadthepassagealoudtothetapeandletthempayattentiontothe

usefulwordsandexpressions:dueto,beaddictedto,beaccustomedto,dodamageto,go

outwith,takeoff,quitsmoking,decideon,bedetermined,feellike,reachfor,feelstressed

/ashamed

Step6Studyingtheorganizationofthetext

(Keysforreference:Eachparagraphofthereadingbeginswithatopicsentence.)

Step7Discussion

1.WhatkindofpersondoyouthinkJames'grandpais?

2.Whatdoyouthinkcanbedonetoprotectnon-smokersespeciallywomenandbabies

fromthosewhosmoke?(Ithinkthat/Inmyopinion/It'seasytodo)

Step8Homework

Learntheusefulnewwordsandexpressionsinthisunit.

Writeashortpassageabouthowtogiveupsmoking(searchasmuchinformationas

possible).

8reasonsforsmoking:

Fewpeoplesmokeastheyhaveanideaoffeelingmasculine.

Nicotinehasacharacteristicofgrippingitspatientwithconstantcravingforsome

more.

Socialgatheringandmeetinghavealsoledtoincreaseinsmoking.

Alcoholandotheraddictionsalsosupportthecharacteroftobaccoingivinghigh.

Fewpeoplethinkthatsmokingacigarettegivesanimpressionofbeingcarefree.

Fewsmokersduetotheirburningemotionsofheartbreak.

Smokinghabitisalsofoundtobegivenininheritancebyparents.

Somedietlosershavecaughttheideathatsmokingburnscaloriesandhaveshunned

thebadeffectsofsmokingfromtheirmind.

Reflectionafterteaching:

PeriodtwoLanguagestudy

Teachingdifficultandimportantpoints:

1.Importantnewwordsandexpressions:stress,ban,desperate,ashamed,dueto,feel

like,inspiteof,takerisks,getinto,addictedto,accustomedto

2.Importantandusefulsentencepatterns:

Objectiveclauses;nounclauses

Adverbialclausesintroducesby“everytime”.

3.Somedifficultandlongsentences.

Step1Revision

1.Checkthehomeworkexercises.

2.Asksomestudentstotellsomethingaboutthereasonwhypeoplebecomeaddicted

tonicotine,theharmofsmokingandhowtogetridofit.

Step2Readingandfinding

GetstudentstoreadthroughWarming-up,Pre-reading,ComprehendingandLearning

aboutlanguagetounderlineallthenewwordsandusefulexpressionsorcollocationsin

theseparts.Readthemaloudandcopydownintheexercisesbook.

Step3Practiceforusefulwordsandexpressions

1.TurntoPage20.gothroughExercise1inDiscoveringusefulwordsandexpressions

withstudentsandmakesurethemknowwhattodo.

2.Givethemseveralminutestofinishtheexercises.

3.Checktheanswerswiththewholeclassandexplaintheproblemstheymeetwhere

necessary.

Step4Vocabularystudy

1.特殊疑问词+doyouthink/suppose/believe/guess+其它部分（陈述语序）

concern:涉及至（参与，使关心、beconcernedwith与.…有关beconcernedin参

与至ijbeconcernedabout关注至“concerning关于asfarassb./sth.is/wasconcerned

就.•…而言

ThestoryconcernsanAfricangirltoresearchintothewildlifeofchimps（大猩猩）.

Heissaidtohavebeenconcernedinthefighting.

Weareveryconcernedabouttheminers'safety.

Asfarasweareconcerned,weagreetoyourplan.

2.Itseemsthatsb./sth=sb./sth.seemstodosth./tobedoingsth./tohavedone

sth.

Look!Itseemsthatitisraining.

Itseemedthatitwasrainedlastnight.

Itseemedtohavebeenraininglastnight.

Seem:无具体的感情色彩；

Look:常常表示根据人或十五的表面特征做出的一种表里如一的真实判断；

Appear:常常表示一种与事实相反的假象；

Herskinisverywhite,andlookslikehermother.

Heearnsalittleeachmonth,butheappearstobeveryrich.

Itappearedtoscientistsonearththatthestarshadmoved.

Itlooksasifitisgoingtorain.

3.due:（债款等）应该付给的；（尊敬，感谢等）应给的，应得的；归功于，应归咎于;

预定（到达的），预定做的

dueto/owingto/thanksto/asaresult/becauseof/onaccountof因为，由于

Thebillisdue（到期）onJuly31.

Thesuccesswasduetohereffects.

Thetrainwasduetoarrivetonight.

Shewasdueforarise,（dueforsth.应有…应得至“）

Themoneyisduetome.钱应给我.

4.tough:强硬的，困难的

toughon对.…严厉的be/gettoughwithsb.采取强硬的手段采取坚决态度

ahardtough难以应付的问题或情况atoughcustomer难以对付的人

atoughassignment困难的任务atoughjourney艰辛的历程

It'stoughfindingajobthesedays.

5.adolescence青春期adolescent青春期的

Theperiodofadolescenceisveryimportantinformingone'scharacter.

Theadolescentisfutureofsocietydevelopment.

6.addicted入迷的上了瘾的be/becomeaddictedto对.…有瘾

Coffeeisaddictedinamildway.咖啡能稍微使人上瘾.

Sheisaddictedtotelevision.

7.way:bytheway,intheway挡道,inthis/thatway用这种/那种方法,ontheway,

innoway绝不,inaway在某种意义上

8.get/becomeaccustomedtosth/doingsth习惯于…对.…习以为常

accustomoneself/sb./sth.tosth.使自己等习惯于某事物

Shequicklyaccustomedherselftothenewwayoflife.

Youwillsoongetaccustomedtotheclimatehere.

I'maccustomedtogettingupsoearlytodomorningexercise.

9.withdrawal:收回取回撤回提款withdrawsb./sth.fromsth.收回撤回某人

某事

Thetroopshavebeenwithdrawnfromthedangerarea.

Theoldcoinshavebeenwithdrawnfromcirculation.

10.mental:精神上的心里的智力的mentalpatient精神病患者

Heismentallydeficient.他有智力缺陷.

Thisexperiencecausedhimmuchmentalsuffering.这一次经历给了他的精神造成

了极大地痛苦.

11.effectonsb./sth.在某人/某事上产生效果bring/putsth.intoeffect实施实

行

Someancientlawsarestillineffect.

Anewsystemoftaxationwillbebroughtintoeffectnextyear.

新的税收制度将于明年实行.

12.abnormal畸形的异常的/normal:正常的常态的正规的

abnormalweatherconditions反常的天气abnormalbehavior变态行为

bephysically/mentallyabnormal身体上/精神上不正常

13.breathless:气喘吁吁地屏息的

Heavysmokingmakeshimbreathless.

IwascompletelybreathlesswhenIgottothetopofthemountain.

Thechildrenwerebreathlessastheywatchedthetightropeact.孩子们在看走绳索表

演时，都摒住了呼吸.

类似的词有：homeless,fruitless,stainless防锈的，salt-free无盐的，water-proof防水

的,bulletproof防弹的

14.bequitofsb./sth.摆脱某人/某事脱离某人/某事getquitofone'sdebts偿

清债务

Hegothispresentjobwhenhequittedthearmy.

Youmustquitsmoking.

Wedecideditwastimetoquitthecity.

I'mgoingtoquitnextweek.

15.abandon完全，永远地遗弃desert违背誓言，命令，责任，义务等quit突然或出其

不意的丢弃

Ababywasabandonedbyhisparents.

Thesoldierdesertedhiscountryandhelpedtheenemy.

16.-ify转为,-ize使.…变得-ate增加,使

beautify美化，simplify简化，modernize使现代化，popularize普及，使通俗化,

originate发起，开始validate证实，使生效

17.decide:下决心决定解决decided:清楚的明确的肯定的decision:决心

决定判断

Withsomanychoices,it'shardtodecide(whattobuy).

Thejudgewilldecidethecasetomorrow.

Don'tdecideonimportantmattertooquickly.

Shecouldn'tmakeadecisionaboutthedress.

常见的搭配有：makeone5s/adecision决定下来下决心作出决定cometo/

arriveadecision作出决定withdecision断然decidetodosth.

Ithasbeendecidedthat

Hedecidedtogiveaone-manshow.他决定唱一曲独角戏.

Aswecan'taffordabiggerhousewemustmakeupourmindstostudyinghere.

18.desperate:绝望的极度渴望的

Adesperatemanwillstopatnothingtogetwhathewants.—个亡命之徒为了达到自

己的目的什么事都做得出来.

Shewasdesperatewhenshelostallhermoney.

Themanlostinthedesertwasdesperateforwater.

19.disappointed:失望的沮丧的be/feeldisappointedat/aboutsth.对某事感至“失

望be/feeldisappointedwithsb.对某人感到失望toone、disappointment使某人失

望的是

Wearemuchdisappointedatthenews.

Iwasdisappointedwithhisperformance.

Theweatherwasbadandthefooddreadful,althoughtheholidaywasvery

disappointing.

Hisperformanceisadisappointmenttoher.

20.ashamed:感到惭愧或羞耻的beashamedof以.…为耻beashamedofoneself

for害羞为…而害羞feelashamedforsb.替某人感到羞耻beashamedtodosth.以

干….为耻

Youshouldbeashamedofyourselffortellingsuchlies.

IwastooashamedtotellherthatIhadfailed.

Herfaceturnedred,shewassurprisedandashamed.

Suchshamefulconductshouldbestopped.

Hewassoshamelessthathesaidshelovedhim.

Step5Practice

（用下列词汇连词造句并连句成篇：ban,inspiteof,takeriskof,beaccustomedto,

getinto,beashamedof,dueto,quit）

1）尽管有禁令，许多人仍然冒险酒后驾车.

2）另外，汤姆还习惯于开快车.

3）这将他置身于麻烦中.

4）他为自己做了如此愚蠢的一件事而感到羞耻.

5）由于他的不良驾驶记录，他被迫停止驾车.

Inspiteofthebanondrunk-driving,manypeopletaketheriskofbeingcaught

andTomisoneofthem.Tomisalsoaccustomedtodrivingfast,whichgothiminto

trouble.Oneday,anaccidenthappenedtohim.Asaresult,hewasforcedtoquitdriving

duotohisillrecord.Hewasashamedofhavingdonesuchasillything.

Step6Usingwordsandexpressions

TurntoPage20.Askstudentstodoexercise2and3.

Step7Homework

1.FinishofftheWorkbookexercises.

2.Learntheusefulnewwordsandexpressionsbyheart.

Reflectionafterteaching:

ThethirdperiodGrammar——theUseof"it"

Teachingimportantanddifficultpoints:

1.Togetstudentstomasterthestructureandusagesofthepronoun"it".

2.Toenablethestudentstolearnhowtouse"it".

Step1Revision

1.Checkthehomeworkexercises.

2.Dictatesomenewwordsandexpressions.

Step2Warmingup

Askstudentstorereadthepassageandfindoutthesentenceswiththeword"it"in

them.

1)ItisabeautifuldayhereandIamsittingunderthebigtreeattheendofthegarden.

2)ItseemsamazingthatatmyageIamstillfitenoughtocycle20kilometersinan

afternoon.

3)Yourmothertellsmethatyoustartedsmokingsometimeagoandnowyouare

findingitdifficulttogiveitup.

4)Itmighthelpyoutostopandstrengthenyourresolve.

Askstudentstothinkabouttheuseof“it"accordingtotheabovefoursentences.

Step3Grammarlearningandsummingup

1.“it"isaveryusefulwordandcanbeusedinmanyways..

2.Thepersonalpronoun"it"cansubstitutesomethingthatismentionedbefore.In

somecertainsituations,canstandforanunidentifiedpersonorababy.

3.Theimpersonalpronoun"it"canbeusedtotalkabouttime,distance,weather,etc.

4.“The"canactasasubjectoranobject,whiletherealsubjectorobjectcanbeput

backwardsintheformofaninfinitive,-ingformoraclause.

Step4Grammarpractice

1.Rewritethefollowingsentences:

Givingupsmokingisdifficult.

Mostpeoplebelievesmokingcausedcancer.

Thenightwasdarkandstormywhentheoldmanstartedhisjourney.

Don'tquitonastressfulday.

Step5Gettingmoreaboutthegrammar

Theuseof“it”

-it用作指示代词

1.指代前面或上文提到过或说话人双双都知道的特定事物.

TheParkersboughtanewhouse,butitwillneedalotofworkbeforetheycanmove

in.

Haveyouheardthelatestnews?——No,whatisit?

2.指代与某事有关的人或物指代心目中不清楚的人或child,baby等性别不清楚

的名词.

Someoneisringingthedoorbell.Goandseewhoitis.

Ipickedupthebabybecauseitwascrying.

3.用来替代this,that的回答.

Whosepenisthis?——it'smine.

Thatisapen,isn'tit?

4.用作非人称代词后身有特定的含义，指代时间或季、距离、气候、温度或环境

等.

Doyoulikeithere?

Oh,yes.Theair,theweather,thewayoflife.Everythingisnice.

(注意：it用于指代与上文相同的名词单数，相当于the+名词，不带任何定语.

One只用来只待与上文相类似的可数名词，可以带前置定语或后置定语，相当于a/

an+名词.That用于指代与上文相同的名词，相当于the+名词，可以带后置定语,

尤其用在比较状语从句中，复数形式为them.)

Thereisstillacopyofthebookinthelibrary.Willyougoandborrowit?

No,I'dratherbuyoneinthebookstore.

We'vebeenlookingathousesbuthaven'tfoundonewelikeyet.

Meetingmyuncleafteralltheseyearswasanunforgettablemoment,oneIwillalways

treasure.

Fewpleasurescanequalthatofacooldrinkonahotday.少有乐趣能比得上大热天的

一辈冷饮.

I'mmovingtothecountrysidebecausetheairthereismuchfresherthanthatinthe

city.

二.it用作形式宾语：it用来替代不定式短语，动名词短语或主语从句，位于句首,

而将真正的主语置于其后.

1.代替作实际主语的不定式短语或不定式复合结构，有如下句型：

Itis+形容词+(forsb./ofsb.)+todosth.

ItisimportanttolearnEnglishwell.

Itisverykindofyoutohelpmeoutofthetrouble.

Itis+名词+forsb.todosth.

Itisagoodhabittogetupearly.

2.代替实际主语的动名词短语，其句型为：it+谓语+动名词短语.用于该句型

中的名词词组及形容词有：nouse/nogood没有用nopleasure没乐趣awasteof

time浪费时间worth值得的foolish愚蠢的nice好的useless无用的senseless无意

义的

Itisnouse/goodhavingacarifyoucan'tdrive.

Itisuselessarguingwiththem.

3.代替作实际主语的that从句:It+谓语+主语从句.有如下常见的句型.

Itis+pp.(said,announced,expected,hoped,decided,reported,shown,believed,

thought,etc)+that

Ithappened/cameaboutthat

Itseemsthat/asif

Itfollowsthat从而，于是乎..

Ithappensthat

Itappearsthat

Itoccurredtomethat.…我突然想起

Itdoesn'tmatter/makesnodifferencewhether

Itisnowonderthat

Itturnsoutthat.…结果是.…

Itisourbeliefthatimprovementsinhealthcarewillleadtoastronger,more

prosperouseconomy.

健康医疗的改善带来一个更强大更繁荣的经济是人们的信条.

Itisreportedthat20peoplewerekilledinearthquake.

Itwasobviousthatthechildhadbeenbadlytreated.很明显那个孩子受过虐待.

(注意：for与。f的选择依据：用for时，其前形容词常为描述事件的形容词；而用

of时，其前形容词多为描述人的形容词：stupid,foolish,silly,clever,bright,nice;kind,

cruel,thoughtful,considerate,etc)

H.It用作形式宾语：用作形式宾语时可代替不定式，动名词短语，宾语从句.需

要具备的条件是：一是真正的宾语是不定式,动名词短语和从句.二是有宾语补足语.

1.it代替不定式短语，其句型为：主语+find/feel/consider/think/make+it+

形容词/名词+不定式短语

Hethinksithisdutytohelpus.

Heconsidereditawasteoftimetobuythebigcomputer.

XiaoLifindsitdifficulttowritelettersinEnglish.

2.it代替动名词短语，其句型为：主语+find/feel/consider/think/make+it+

形容词/名词+动词

Shefounditnouseless(nouse)arguingwithhim.

Wethinkitnousecomplaining.

3.it代替宾语从句，其句型为：主语+find/feel/consider+it+形容词/名词+

that从句

Weallthinkitapitythatyoucouldnotcome.

It作形式宾语的其他情况：

主语+oweittosb.+that….把.…归功于

主语+leaveittosb.+that把..…交给某人去做

主语+takeitforgrantedthat把...想当然

主语+喜欢或讨厌的动词(like,enjoy,love,dislike,appreciate,hate)itthat

seetoitthat务必...

I'dappreciateitifyouwouldliketoteachmehowtousethecomputer.

四.it引起的几个容易混淆的时间句型

1.Itbe+(about/high)time+that从句，受虚拟语气结构.“改做某事的时候了”

2.It/this/thatbe+序数词(thefirst/second)/形容词最高级+that从句，“这

是第几次做某事了”

3.Itbe+点时间+when从句，表示“某人在某时做某事/某是在什么时候发

生，，

4.Itbe+时间段+since从句，表示“自从.•…以来已多久了”

5.Itbe+时间段+before从句,表示“过多久才”

6.Itbe+时间+that从句，表示强调

Itishightimeyoustoppedfoolingaroundandstartedlookingforajob.你另再游手好

闲了，也该找份工作了.

ItwasthethirdtimeIhadpaidafriendlyvisittoEngland.

Itwasalready10o5clockwhenwegottotheairstation.

It'stenyearssincetheygotmarried.

Itwillbehoursbeforehearrives.

Itwasin1969thattheAmericanastronautssucceededinlandingonthemoon.

语法练习题：

1.Thefactthatshewasforeignmadedifficultforhertogetajobinthat

country.

A.soB.muchC.thatD.it

2.Ilikethisbecausethishousewithabeautifulgardeninfront,butIdon'thave

enoughmoneytobuy.A.oneB.itC.thisD.that

3.Itisoftenthathumanbeingsarenaturallyequippedtospeak.

A.saidB.tosayC.sayingD.beingsaid

4.Beingaparentisnotalwayseasy,andbeingtheparentofachildwithspecialneeds

oftencarrieswithextrastress.

A.itB.themC.oneD.him

5.Don'tbesodiscouraged.Ifyousuchfeelings,youwilldobetternexttime.

A.carryonB.getbackC.breakdownD.putaway

6.isknowntousallisthatthe2008OlympicGameswilltakeplacein

Beijing.

A.ItB.WhatC.AsD.Which

7_feltfunnywatchingmyselfonTV.

A.OneB.ThisC.ItD.That

8.Hedidn'tmakeclearwhenandwherethemeetingwouldbeheld.

A.thisB.thatC.itD.these

9.TheinformationontheInternetgetsaroundmuchmorerapidlythaninthe

newspaper.

A.itB.thoseC.oneD.that

10.IfIcanhelp,Idon'tlikeworkinglateintothenight.

A.soB.thatC.itD.them

11.Ittookusoveranhouralongthestreet.

A.walkB.towalkC.walkingD.walked

12.1thinkitagreathonortovisityourcountry.

A.toinviteB.invitingC.havingD.tobeinvited

13.Manypeoplenowmakearuletobuycardsfortheirfriendsbefore

Christmas.

A.themselvesB.itC.thatD.this

14.isverycleartoeveryonethatheisroundandtalllikeatree.

A.ThisB.WhatC.ThatD.It

15.IntheUnitedStates,bustraveldoesn'tcostmuchastraintravel,?

A.don'ttheyB.doesitC.dotheyD.doesn'tit

16.Someoneisatthedoor;whois?

A.thisB.thatC.itD.he

17.raininghardforthreedayswithoutstopping.

A.