人教版高三教案 Unit 2 Crossing Limits.docx
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人教版高三教案Unit2CrossingLimits
高三Unit2CrossingLimits（教师版）
Period1Newwordsandexpressions
1.puzzle
vt.1）.使迷惑;使为难,使窘困
Whatpuzzlesmeiswhytheydidn'tshowup._令我百思不解的是他们为什么没有出现。
Helookedalittlepuzzled.他看上去有点困惑。
Hisrecentbehaviorpuzzlesme.他最近的行为使我迷惑不解。
2）.苦思而得出[（+out）]
Icouldnotpuzzleoutherintentions.我猜不出她的意图。
Wefinallypuzzledoutthemeaningofthepoem.我们苦苦思索终于理解这首诗的意思。
vi.1）.感到迷惑[（+at）]
Ihavebeenpuzzlingaboutthisquestionforweeksnow.
我对这个问题已冥思苦想了好几个星期。
2.苦思,冥思苦想[（+about/over/asto）]
n.1.（游戏的）猜谜,智力竞赛[C]2.难题,谜,难以理解之事[S1]
Herdecisionwasapuzzletohim.她的决定对他来说是个谜。
3.困惑,迷惑[S]
I'minapuzzleastohowtocopewiththenewsituation.我不知道该如何应付这新局面.
2.inexchangefor_与……交换
SheisgivinghimEnglishlessonsinexchangeforhisteachingherChinese.
她教他英语，他教她汉语。
3.wander
vi.1）漫游;闲逛;流浪;徘徊[（+about/off/over/through）]
Hewanderedinthestreets.他在街上游荡。
2）离开正道;离题[（+from/off）]
Duringthestormtheshipwanderedfromitscourse.船在风暴中偏离了航道。
Hewanderedfromthesubject.他说离了题。
3）（精神）错乱;（思想）混乱;出神,开小差
Myattentionwandered.我走了神。
4.volunteer
n.[C]1）自愿参加者,志愿者[（+for）][（+to-v）]
Thevolunteersforcommunityservicearedoingagoodjob.社区服务的志愿者做得很出色。
2）志愿兵,义勇兵
ManyAustraliansfoughtasvolunteersontheAlliedside.
许多澳大利亚人作为志愿兵与盟军一起战斗。
vt.1）自愿（做）[（+to-v）]
Theyvolunteeredtorepairthehousefortheoldlady.他们主动提出替老太太修缮房子。
2.自愿提供,自愿给予
Shevolunteeredtheinformation.她自动提供了这一消息。
vi.1）自愿;自愿服务[（+for）]
Hevolunteeredforthehardandunprofitablejob.他自愿做这苦差使。
2.自愿当兵[（+for）]
Whenthewarbrokeout,hevolunteeredfortheMarineCorps.
战争爆发时,他自愿参加了海军陆战队。
5.suggest
vt.1）建议,提议[+v-ing][+（that虚拟）][+wh-]
IsuggestourgoingtotheparkonSunday.我建议我们星期天去公园。
Thedentistsuggestedthatshe（should）comeanotherday.牙医建议她改天再来。
2.暗示;启发[+（that陈述）]
Herexpressionsuggestedpleasure./thatshewaspleased她面露喜色。
3.使人想起,使人联想到[（+to）]
Thatcloudsuggestsaboattome.那朵云使我联想到船。
6.accomplish
vt.1）.完成,实现,达到
Theydidn'taccomplishthepurposedesired.他们没有达到预期的目的。
Theyhaveaccomplishedtheirmissionsuccessfully.他们成功地完成了任务。
2）走完,度过
Shehasaccomplished95yearsofherlife.她已达九十五高龄。
Thejourneywasaccomplishedinfiveweeks.花了五个礼拜走完全部旅程。
7.referto
1）查阅，参阅
Apersonreferstoadictionary（查阅字典）tofindthemeaningofthewords.
2）指……而言，指的是
IknewtheladywasreferringtoBillwhenshespokeofabrightyoungboy.
3）把……称作（as）
Don’trefertoyoursisteras（把你的妹妹称作）asillycow!
refer…to
1）指导；让……找
Ourteacherrefersustomanygoodbooks.（让我们参考许多好书）。
Ifheneedsanyfurtherinformation,referhimtome.（让他来找我）。
2）归功于；归咎于
Hereferredhissuccessto（把他的成功归功于）thegoodteachinghe’shad.
8.arise（arose,arisen）
vi.
1）升起,上升
Aheavymistarosefromthelake.湖面起了浓雾。
2）产生,出现,形成[（+from/outof）]
Unexpecteddifficultiesaroseinthecourseoftheirexperiment.
在他们进行实验的过程中,出现了意想不到的困难。
Betweenthecopartnersseriousdisagreementsarose.合伙人之间产生了严重分歧。
9.evidence
n.
1）.证据;证词;证人;物证[U][（+of/for）][+that][+to-v]
Hewaspunishedforgivingfalseevidence.（做伪证）
Theevidenceisveryshaky.这证据相当靠不住。
2）迹象[U][C][（+of）][+（that）]
Thereareevidencesthatsomebodyhasbeenlivinghere.有迹象显示有人一直住在这里。
10.praise
n.
1）赞扬,称赞[U]
I'msureIdon'tdeservesomuchpraise.我肯定自己不值得这么多赞扬。
2）赞美的话,赞词[P][（+of）]
Thepraisesofhisfriendsmadetheboyfeelveryproud.
3）【宗】（对神的）赞美,崇拜[U]
LetusgivepraisetoGod.让我们赞美神吧
vt.赞美,表扬;歌颂[（+for）]
Thepublisherspraisedhisnovelprettyhighly.出版商们对他的小说评价甚高。
Themayorpraisedtheboyforhiscourage.市长赞扬这个男孩很勇敢。
Period2Warmingup&Listening&Speaking
Step1TalkaboutthepicturesintheSB
posssibleanswers:
Q2seven.They’reAsia,Afria,Europe,NorthAmerica,SouthAmerica,OceaniaandAntarctica.
Q3Windsandwavesonthesea,losingtheirway,lackoffoodanddrinkingwater,pirates,
languages,communicationdevicesanddiseases…
Q4explore,challenge,brave,luck,lackof,hardship,death,disease,success,failure,wealth,knowledge,technology,information,equip…
Step2Listening
Step3Speaking
Step4Languagepoints
1.whatsortofquestionsdoyouthinkthereporter…..
sortsof…各种各类的asortof一种
eg:
youcanseesortsoffishesunderthesea._____________________________________
doyouthink是插入语,放在特殊问句疑问词之后,其后的句子应用陈述语序.
eg:
Whendoyouthinktheywillcomeback?
2.Whatmodernmeanscanexplorers…
means方式,方法（单复数同形）
makeuseof_________________makegood/fulluseof…___________
3.Inwhichwaywillahumantripto…
besimilarto….与…相似.
eg:
Thegoldissimilartobrassincolor.______________________________
4.Intheirwork,scientistsmeetwith……
meetwith/comeacross/comeupwith/runinto遇到,碰上
Eg:
Whilereading,youaresuretocomeacrosssomenewwords.
makedecisionsabout….对…作出决定
aboutwhich…在句中引导一带有介词的定语从句,修饰先行词situations
5.WhenCaptainJamesCooklandedin….
takepossessionof把…占为己有,占领,夺取
e.g.Don’ttakepossessionofthewallet,thoughyoupickeditupinthestreet.
inthenameof以…名义,代表…
e.g.Thepolicearrestedhiminthenameofthelaw（以法律名义）。
4..Insteadofsendingpeople,wecansendrobotsequippedwith….
insteadof代替,而不是
e.g.Insteadofgoingtothemuseum,theyfinallydecidedtogotothepark.
equippedwith“装备”,过去分词短语作定语
equip…with,beequippedwith
e.g.Allthepoliceareequippedwithgunsandbullets.
equipmentn._设备,配置_doobservationsfor为…去做观察_
课文跟踪默写：
1.占领，占有_______________________/某人占有，拥有_________________________
/某物/某人为某人所有inthenameofsb/sth
2.以…的名义，代表_______________________
3.大量的_______________________一堆/团/块_______________________
4.富含/缺乏_______________________5.进行调查_______________________
6.一项国家重点项目_______________________7.挖掘_______________________
8.冒丧失生命，健康之险做某事_____________________
9.用…装备，配备_______________________
Period3Reading
（一）
Step1Scanning
Para.1ThesissentenceManygreatexplorersmadeexpeditionsacrosstheIndianOceanlong
beforeColumbus,amongwhomZhengHewasthemostprominent.
Para.2ChinahadcontactswithcountriesalongtheIndianOceanfromtheearlytime,andduring
ancienttimeexplorershadbeguntocontactwitheachother.
Para.3BetweentheHanandtheearlyTangDynasty,Swahilikingdomsandtheislandsoffthe
Africancoastdevelopedintotheworldtradecentreandattractedmerchantsfromtheworld.
Para.4DuringtheTangDynasty,DuHuan,whotraveledtomanylands,wrotethebookRecordof
MyTravels._
Para.5Intheeleventhcentury,theAfricansmadeseveralvoyagestothecourtoftheSongDynasty.
Para.6Bythebeginningofthefifteenthcentury.thetimewasripeforagrandmeeting.
Para.7Intheyearsbetween1405and1433,underthecommandofZhengHe,sevenlarge
treasurefleetssailedwestwardsonvoyagesoftradeandexploration..
Para.8ZhengHerenewedrelationswiththekingdomsoftheEastAfricancoast.
Para.9Thefleetmadeseveralexpeditionsbeforetheexplorationwasstopped.
Step2TorF
1.TheEuropeanswerethefirstExplorerstotraveltoothercountries.（）
2.AccuratemapsofthecountriesaroundtheIndianOceanweremadebeforethefifteenth
century.（）
3.Intheyearsbetween1405and1433,ZhengHesailedwestwardsonlyonvoyagesof
exploration.（）
4ZhengHeinvitedAfricancountriestosendambassadorstoChina.（）
Readthefirstparagraphcarefullyandanswerthefollowingquestions.
Studentsreadquicklyandtrytofindinformationtoanswerthequestions.
Questions:
1.Whatformedthefoundationofmankind’sinterestinexploration?
Tradeandcuriosityformedthefoundationofmankind’sinterestinexploration.
2.WhatwasColumbus’spurposeofsearchingforthewealthyAsianlands?
Hispurposeofsearchingwastoseektreasure.
3.Whichoceandoestheworld“westernocean”referto?
ItreferredtopartofthePacificOceanwestofBruneiandpartoftheIndianOceanalongthecoast.
4.GuesswhoexploredtheWesternOceanbeforeColumbus.
ManypeopleexploredtheWesternOcean,amongwhomZhengHewasthemostfamous.
Para2-5
1.IntheHanDynasty,whotraveledoverlandtotheEastRomanEmpire?
IntheHanDynasty,GangYingtraveledoverlandtotheEastRomanEmpire.
2.BetweentheHanandearlytheTangDynasty,WhichpartofAfricadevelopedintotheworldtradecentre?
BetweentheHanandtheearlyTangDynasty,SwahilikingdomsandtheislandsofftheAfricancoastdevelopedintotheworldtradecentre.
3.DuringtheTangDynastywhichtravelerwroteRecordofMyTravels?
DuringtheTangDynastyDuHuanwroteRecordofMyTravels.
4.BeforetheSongDynastywhichmeansoftransportdidChinesetravelersmainlyuse?
BeforetheSongDynastyChinesetravelersmainlytraveledoverland.
5.Intheeleventhcentury,whomadeseveralvoyagestothecourtoftheSongDynasty?
Intheeleventhcentury,theAfricansmadeseveralvoyagestothecourtoftheSongDynasty.
Period4Reading
（二）
Languagepoints
1.reach/reachout/reachfor
Pleasereachmethatbook.
Notasinglewordreachedmyears.
Hereachedouthishandfortheknife,butitwastoofaraway.
Wemustreachouttothoseinneed.
Jimreachedforagunbuthewasstopped.
2.puzzle
Whatpuzzlesmeiswhytheydidn'tshowup.
•Helookedalittlepuzzled.
•Wefinallypuzzledoutthemeaningofthepoem
•Herdecisionwasapuzzletohim
•I'minapuzzleastohowtocopewiththenewsituations.
3.search/searchfor/search---for/insearchof
Thepolicesearchedtheprisonertoseeifhehadagun.
Isearchedshopaftershopformysister’sbirthdaypresent.
Theparentssearchedfortheirlostboyhereandthere,buttheydidn’tfindhim.
Iwillmakeasearchforyourbook.
Il
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