2021新高考英语一轮复习学案必修3Unit5Canada“TheTrueNorth”

Unit5Canada—“TheTrueNorth”1．geographyn.地理2．capitaln.首都；省会3．steepadj.险峻的；陡峭的4．streamn.小河；溪流5．oceann.海洋6．rangen.山脉7．desertn.沙漠8．basinn.盆地9．junglen.丛林；密林10．mineraln.矿物质11．coastaladj.近海的；沿海的12．localadj.当地的13．nativeadj.本地的；本国的14．remoteadj.偏远的15．mountainousadj.多山的16．landmarkn.地标性建筑1．enjoyoneself/havefun/haveagoodtime玩得开心2．belistedas被列作……3．culturalsites文化景点；文化遗址4．haveapicnic/barbecue去野餐/去烧烤5．beyonddescription无法描述6．admire/enjoythenaturalscenery欣赏自然风景7．headbackto返回8．admissioncharges票价9．hangout闲逛10．localcustomsandpractices风土人情1．Eachoftheseminoritieshasitsowncharm,ethnicstyleandfolkcustoms.每个少数民族都有自己独特的魅力，民族特点和风俗人情。2．Xinjiang,whichisabundantinnaturalresources,isfamousforgrapes.新疆自然资源丰富，以葡萄而闻名。3．Torontohassometoptouristattractions,whichattractmillionsofvisitorseveryyear.多伦多有一些顶级的旅游景点，每年吸引数百万游客。1．Withnumerousplaces_of_interest,_Beijingisacitywhichmakesalastingimpressiononitsvisitors.北京有无数的名胜古迹，是一个能给游客留下长久印象的城市。2．Wewilltrysomefamouslocalsnacksandexperience_the_local_history_and_cultureaswellastheircustoms.我们将去吃一些地方特色小吃，体验当地历史文化，还有他们的风俗习惯。3．Theplacehasdevelopedrapidlyfrom_a_small_village_to_a_travel_resort.这个地方从一个小村庄迅速发展成了一个旅游胜地。教材单词写准并记牢高考与教材Ⅰ.重点单词1．chatvi.&n.聊天；闲聊2．sceneryn.景色；风景3．measurevi.&vt.测量；衡量；判定n.计量制；计量单位；措施4．aboardprep.&adv.在(船、飞机、火车或公共汽车)上；上(船、飞机、火车等)5．withinprep.在……之内6．broadadj.宽阔的；广泛的7．nearbyadv.在附近adj.附近的；邻近的8．pleasedadj.欣喜的；高兴的；愉快的9．topicn.话题10．confirmvt.证实；证明；批准11．dawnn.黎明；拂晓；破晓12．quizn.测验；问答比赛13．bordern.边界；国界；边沿vt.&vi.与Ⅱ.拓展单词1．surroundvt.包围；围绕→surroundingsn.(复数)周围的事物；环境→surroundingadj.周围的；附近的2．slightadj.轻微的；微小的→slightlyadv.稍微；轻微地3．traditionn.传统；风俗→traditionaladj.传统的→traditionallyadv.传统地4．impressvt.使印象深刻；使铭记→impressiveadj.给人深刻印象的；感人的→impressionn.印象5．terrifyvt.使恐怖；恐吓→terrifiedadj.恐惧的；受惊吓的→terrifyingadj.令人恐惧的→terrorn.恐惧→terribleadj.可怕的6．wealthyadj.富有的→wealthn.财富7．mixvt.&vi.混合；调配→mixture8．distancen.距离；远方→distantadj.遥远的；远处的；远亲的Ⅲ.阅读单词1．continentn．洲；大陆2.baggagen．行李3．harbourn.海港4.urbanadj.城市的；市镇的5．downtownadj.市区的adv.在市区；往市区6．approximatelyadv.接近；大约7.frostn.霜；霜冻8．eaglen.鹰9.multiculturaladj.多种文化的10．polaradj.极地的；近极地的11.mistn.薄雾12．boothn.公用间；货摊；售货亭13.buffetn.自助餐；饮食柜台14．bushn.灌木(丛)；矮树(丛)15.locationn.位置；地方1.(2019·全国卷Ⅲ)Theyalsosharedwithusmanytraditional(tradition)storiesaboutHawaiithatwerehugelypopularwithtourists.2．(2018·全国卷Ⅱ)Theresultsshowedthatthosewhochatted(chat)withtheirserverreportedsignificantlyhigherpositivefeelingsandabettercoffeeshopexperience.3．(2018·北京卷)Waxisaplexmixture(mix),butthebasicbondinpolyethylene,thecarbon­carbonbond,isthereaswell.4．(2017·全国卷Ⅰ)Theonlyponentsrequired,though,area5′×5′sheetofclearorslightly(slight)milkyplastic,sixfeetofplastictube,andacontainer—perhapsjustadrinkingcup—tocatchthewater.5．(2017·全国卷Ⅰ)Wesleptinatent,cookedoveranopenfire,andwalkedalongdistance(distant)totaketheshowerandusethebathroom.

教材短语写准并记牢高考与教材1.rather_than与其；不愿2．be_surrounded_by/with被……包围3．settle_down定居；平静下来；专心于4．manage_to_do设法做5．catch_sight_of看见；瞥见6．have_a_gift/talent_for有……天赋7．in_the_distance在远处8．as_far_as远到；直到；至于9．at_dawn在黎明；在拂晓10．beimpressedwith...给……留下深刻印象1.(2019·全国卷Ⅰ)Allthefootballplayersontheplaygroundcheeredloudly,sayingthatIhad_a_talent_for(有……天赋)football.2．(2018·全国卷Ⅲ)Today,manyChinesepeoplearelearningwesternstylesandtheoriesrather_than(而不是；不愿)focusingonChinesetraditions.Manypeopletendtotalkabouttraditionswithoutknowingwhattheyreallyare.3．(2017·天津卷)MrandMrsBrownwouldliketoseetheirdaughtersettle_down(安顿下来),getmarried,andhavekids.教材句式写准并记牢高考与教材1.序数词＋最高级Canadaisthe_second_largestcountryintheworld.加拿大是世界上第二大国。2．ratherthan“而不是”，连接两个并列成分Rather_thantaketheaeroplanealltheway,theydecidedtoflytoVancouverandthentakethetrainfromwesttoeastacrossCanada.她们不想一路乘飞机，而决定先飞到温哥华，再从西海岸乘火车横穿加拿大到达东海岸。3．独立主格结构Itissowettherethatthetreesareextremelytall,some_measuringover90metres.那儿湿度很大，所以树都长得特别高，一些树高达90多米。4．比较级＋than＋anyother...Canadahasmore_fresh_water_than_any_other_countryintheworld.加拿大拥有的饮用水比世界上任何国家都多。5．not...until...“直到……才……”TheywerenotleavingforMontrealuntillater,sotheywentonatourofthecity.她们要晚些时候才动身去蒙特利尔，因此就在多伦多市内游览了一番。6．asfaras...远至……；就……而言It'stoobadyoucan'tgoas_far_asOttawa,Canada'scapital.真可惜你们不能一直走到加拿大的首都渥太华。1.(2019·江苏卷)Mostfoodwebs,forinstance,consistofmanyweaklinksrather_than(而不是)afewstrongones.2．(2019·江苏卷)WhocaresifpeoplethinkwronglythattheInternethashadmore_important_influences(更重要的影响)thanthewashingmachine?3．(2018·全国卷Ⅰ)Rather_than_use_knives_and_forks_as_Westerners_do(而不是像西方人那样用刀和叉子),Chineseliketoeatwithchopsticks.1．名词＋­y后缀变形容词①wealth→wealthy富有的②thirst→thirsty渴的；渴望的③salt→salty咸的④sleep→sleepy困的⑤guilt→guilty内疚的；有罪的⑥health→healthy健康的⑦mist→misty有雾的2．“­ward”后缀方位词①southward向南②northward向北③eastward向东④westward向西⑤upward向上⑥backward向后3．“at＋名词”固定短语①atease安逸；自在；无拘无束②atlength最后；详细地；充分地③atrandom随便地；任意地；胡乱地④athand在身边；在附近；即将到来⑤ataloss不知所措；困惑⑥atrisk冒险4．“be＋过去分词＋with”结构一览①besurroundedwith被……包围②beimpressedwith给……留下深刻印象③beequippedwith配备有……④becrowdedwith挤满……⑤becoveredwith被……覆盖⑥besatisfiedwith对……满意高频词汇精讲1．surroundvt.包围；围绕PeoplesayitisCanada'smostbeautifulcity,surroundedbymountainsandthePacificOcean.人们都认为温哥华是加拿大最美丽的城市，因为它被大山和太平洋环绕着。(1)besurroundedby/with...被……环绕、包围；周围都是……surround...with...用……把……包围/围住(2)surroundingadj.周围的thesurroundingscenery周围的风景surroundings环境(1)单句语法填空①Thesurrounding(surround)villageshavebeenabsorbedbythegrowingcity.②Someinsectstakeonthecoloroftheirsurroundings(surround)toprotectthemselves.③Hetriedtorunawaybutgaveupwhenhefoundhimselfsurrounded(surround)bythepolicemen.(2)写作运用Inaword,youareweletoourschoolandIhopeyoucanadapttothenewsurroundingssoon.总之，欢迎你来我们学校并希望你能很快适应新环境。2.measurevi.&vt.测量；衡量；判定n.计量制；计量单位；措施Itissowettherethatthetreesareextremelytall,somemeasuringover90metres.那儿的湿度很大，所以树都长得特别高，有些高达90多米。(1)measure...by用……来衡量bemeasuredby/in用……来衡量/计算(2)takemeasures/steps/actiontodosth.采取措施做某事makesth.tosb.'smeasure照某人的尺寸做某物(3)measurementn.尺寸；大小；测量[注意](1)measure表示“措施”时，常用其复数形式。(2)measure表示“有……长(宽、高等)”时，是系动词，后跟量的结果，不用被动语态及进行时态。(1)单句语法填空①Theycallonpeopleandthegovernmenttotakemeasures(measure)tofightagainstit.②Nearmyhousethereisarivermeasuring(measure)elevenmetresdeep.③It'sgenerallyacknowledgedthateducationshouldn'tbe_measured(measure)onlybyexaminationresults.④Intheolddays,mymotheralwaysmadenewclothestomyownmeasurewiththeSpringFestivalapproaching.(2)完成句子Thenumberofthisanimalislessthan1,000,soIhopeyoucantake_some_effective_measures_to_protect_them.这种动物的数量不足1000只，因此我希望你们能采取一些有效措施来保护它们。3．settledown定居；平静下来；专心于Thatafternoonaboardthetrain,thecousinssettleddownintheirseats.那天下午这对表姐妹上了火车，在火车上安顿好坐下来了。(1)settledownto(doing)sth.专心于(干)某事物settlein/into适应(2)settlementn.解决；处理；协议；定居点；开拓reach/arriveatasettlement达成协议(3)settlern.移民；殖民者(1)单句语法填空①Theteachertoldthestudentstosettledownandstudythetext.②Whileonecannotchooseone'sbirthplace,onecancertainlydecide,basedonwhatonehasexperienced,thebestplacetosettlein.③Welovepeaceandhopethattheproblemcanbesettled(settle)peacefully.(2)完成句子①MyparentshopethatIwillsettle_downandadapttothenewenvironmentofthepanyquickly.父母希望我安定下来，尽快适应公司的新环境。②Youwillbeverypromisingaslongasyousettle_downtoyourwork.只要你安心工作，你会有前途的。4．managetodo设法做……Earlierthatday,whentheycrossedtheRockyMountains,theymanagedtocatchsightofsomemountaingoatsandevenagrizzlybearandaneagle.那天早些时候，当她们穿越落基山脉时，她们见到了野山羊，甚至还看到了一只大灰熊和一只鹰。(1)managetodo＝succeedindoing设法做成manageashop/business管理商店/企业manageit(能)应付(2)managern.经理managementn.管理manageableadj.易管理的(1)单句语法填空①Theweatherwasbad,butshemanagedto_swim(swim)tothechannel.②Theydidn'tknowhowtoputinacentralheatingsystem,buttheymanageditbytrialanderror.(2)完成句子Luckily,withmyteacher'stimelyhelp,Imanaged_to_finishitaheadoftime.幸运的是，在老师的及时帮助下，我设法提前完成了任务。5.catchsightof看见；瞥见Don'tletmecatchsightofyoudoingitagain!别让我再看到你干这种事了！atfirstsight初次看见时；乍一看atthesightof一看见……就in/withinsight在视野内；看得见；可能即将发生outofsight在视野外；看不见loseone'ssight失明losesightof看不见完成句子①Don'tletmecatch_sight_ofyoudoingsuchkindoffoolishthingsagain!不要让我再看到你做那种愚蠢的事情！②Myfatherwaveduntilwewereout_of_sight.父亲挥着手，直到再也看不到我们。③At_the_sight_ofthepolicemen,thethiefranawayimmediately.贼一见到警察就逃跑了。6．mixvt.&vi.混合；调配；混淆；弄乱Asisknowntous,oilcannotmixwithwater.众所周知，油和水不相融。(1)mix...with...把……与……混合起来mixup弄错；弄乱；混淆be/getmixedupwith...与……交往；与……厮混(2)mixturen.混合(物)；混合状态amixtureof...……的混合物(3)mixedadj.混合的(1)单句语法填空①Hearingthenews,shefeltastrangemixture(mix)ofexcitementandfear.②Withmixed(mix)feelingsonmind,shedoesn'tknowwhattodonext.③Thetwinslooksoalikethateventhemothermixesthemup.(2)完成句子Whensaltis_mixed_withsnow,thesnowwillmeltmoreeasily.当盐与雪混合时，雪会更容易融化。7.confirmvt.(尤指通过提供证据)证实；证明；确定；确认Thenextmorningthebushesandmapletreesoutsidetheirwindowswerered,goldandorange,andtherewasfrostontheground,confirmingthatfallhadarrivedinCanada.第二天早上，车窗外到处是朱红、赤金和橘黄各色的灌木丛和枫树，地面上覆盖了一层薄霜，表明秋天已经来到了加拿大。confirmsb.insth.使某人确信某事confirmsth./that/whether...证实……Ithasbeenconfirmedthat...已经确定……(1)单句语法填空①Theleavesfelloffthetrees,confirming(confirm)thatwinterwasing.②Morethantwoandahalfthousandpeopleare_confirmed(confirm)deadinthedisaster.(2)完成句子It_has_been_confirmed_thatthemeetingwilltakeplacenextweek.已经确定会议将于下周召开。8．distancen.距离；远方Inthedistance,theycouldseethemistycloudthatrosefromthegreatNiagaraFalls,whichisonthesouthsideofthelake.在远处，她们可以看到湖的南边尼亚加拉瀑布上方升腾着的雾霭。(1)inthedistance在远方；在远处at/fromadistance隔一段距离；从远处atadistanceof在……远的地方keepsb.atadistance对某人冷淡；与某人疏远(2)distantadj.遥远的；远处的；久远的(1)单句语法填空①Inthestillnessofnightcouldbeheardtheringingofadistant(distance)bell.②Thebeachiswithinwalkingdistance(distant)ofmyhouse.③Itwasdifficulttogettoknowherbecauseshealwayskepteveryoneatadistance.(2)完成句子Laughteristhe_shortest_distancebetweentwopeople.笑是两个人之间最短的距离。9.terrifyvt.使恐怖；恐吓Thepossibilitythattherewillbeanearthquaketerrifiesmanypeople.可能会有地震，这可吓坏了很多人。(1)terrifysb.intodoingsth.吓唬某人做……beterrifiedof害怕；恐惧……beterrifiedat/with...对……感到恐惧beterrifiedoutofsenses吓得魂不附体(2)aterrifyingaccident令人恐惧的事故单句语法填空①Thenhenoticedthewaterrisingwithterrifying(terrify)speed.②Jackterrified(terrify)Tombyjumpingoutfrombehindthetree.③Itisterrifying(terrify)toseeasavageeatingfleshofahumanbeing.10．impressvt.使印象深刻；使铭记Sheimpressedmeasascholar.她给我留下了学者的印象。eq\b\lc\\rc\}(\a\vs4\al\co1(1impresssth.on/uponsb.,impresssb.withsth.))使某人牢记某事beimpressedby/at/with对……印象深刻(2)impressionn.印象；感想leave/makea(n)．..impressionon/uponsb.给某人留下……的印象(3)impressiveadj.给人深刻印象的；感人的(1)单句语法填空①Myfirstimpression(impress)ofhimwasthathewasakindandthoughtfulyoungman.②IjustcamebackfromatriptoChinaandIwasveryimpressedwith/bythelonghistoryofthatcountry.③Deeplyimpressed(impress)byhisinspiringwords,Idecidedtocooperatewithhim.④Fatherimpressedthevalueofhardworkon/uponme.⑤Thefilmistechnicallyimpressive(impress),butlacksrealexcitement.(2)写作运用Thenewteachermade/left_a_good_impression_on/uponusstudentsbyherrichknowledgeandhumoroustalk.那位新老师以丰富的知识和幽默的语言给我们学生们留下了很好的印象。重点词汇点拨1．aboardprep.&adv.在(船、飞机、车)上；上(船、飞机、火车等)Weleaboard!欢迎大家乘船(飞机、车)!goaboard上船(飞机、车)aboardaplane搭乘飞机onboard在船上；在公共交通工具内Thepassengershavegone_aboard.乘客已上车。2．haveagiftfor在……方面有天赋haveatalentfor...有……天赋giftedadj.有天赋的；聪颖的；天才的Asweallknow,Langlangisagifted(gift)pianist.3．withinprep.在……之内(1)within(one's)reach在(某人)够得着的地方within(one's)power在(某人)能力范围之内withinlimits在一定范围内(2)adv.在里面；在内部I'msorrytosaythatitisn'twithinmypowertohelpher.4．slightlyadv.稍稍；轻微地slightadj.稍微的haveaslightfever/headache有点发烧/头疼notintheslightest一点也不①Myteachergotslightly(slight)angryonseeingthis.②Switchingcountriesandculturesdoesn'tseemtobotherherintheslightest(slight)．5．asfaras远至；就……而言(1)asfaras的常见用法：asfarassb./sth.isconcerned就某人/物而言asfarastheeyecansee/reach就视力所能及asfarasIcansee依我看asfarasIknow就我所知(2)aswellas和……一样好；也；还；既……又……asgoodas与……一样好；简单；几乎aslongas只要；长达assoonas一……就……①Fieldsofcornspreadoutas_far_astheeyecouldsee.玉米地延伸到看不到边的地方。②As_far_as_I_know,_itisconvenienttodoshoppinginthatsmalltown.就我所知，在那个小镇上购物很方便。典型句式精析1．Ratherthantaketheaeroplanealltheway,theydecidedtoflytoVancouverandthentakethetrainfromwesttoeastacrossCanada.她们不想一路乘飞机，而是决定先乘飞机到温哥华，再乘火车自西向东横穿加拿大。ratherthan“与其；不愿；而不是”，连接两个并列成分。ratherthan连接两个名词或代词作主语时，谓语动词应与ratherthan前面的名词或代词在人称和数上保持一致。eq\b\lc\\rc\}(\a\vs4\al\co1(1wouldratherdosth.thandosth.,woulddosth.ratherthandosth.,prefertodosth.ratherthandosth.))eq\a\vs4\al(宁愿……而,不愿……)(2)otherthan不同于；除了……外orrather更确切地说morethan多于；不仅仅；非常(1)单句语法填空①Ratherthanallow(allow)thevegetablestogobad,hesoldthemathalfprice.②Ratherthansitherewaiting,Ipreferto_go(go)tofindoutwhatonearthhashappened.③Theysaidthedirector,ratherthantheclerks,was(be)responsiblefortheincident.④We'llhavethemeetingintheclassroomratherthanontheplayground.(2)写作运用TheOlympicspiritlaysstressontakingpartrather_thanwinning.奥林匹克精神强调的是参与而非获胜。2．Itissowettherethatthetreesareextremelytall,somemeasuringover90metres.那儿湿气大，树木极高，有些树高度超过90米somemeasuringover90metres为独立主格结构，在句中作伴随状语。这种独立主格结构由名词(代词)加分词(现在分词或过去分词)构成，分词的逻辑主语是该名词(代词)。该结构在句中作状语，可以表示时间、原因、条件或伴随等。(1)单句语法填空①Helayonhisback,hishandscrossed(cross)underhishead.②Timepermitting(permit),we'llhaveadictationtoday.(2)完成句子Leaves_falling_here_and_there,_Isuddenlynoticeautumnisdrawingupon.树叶到处飘落，我突然意识到秋天来临了。3．TheywerenotleavingforMontrealuntillater,sotheywentonatourofthecity.她们要晚些时候才动身去蒙特利尔，因此就在多伦多市内游览了一番。本句含有“not...until...”句式，意为“直到……才……”(1)在not...until...句型结构中，可以把notuntil提到句首，此时主句用部分倒装语序(2)not...until...句型的强调句式为Itis/wasnotuntil...that...单句语法填空①Ididn'treallyrealizethevalueoffriendsuntilIleftmyhometown.②ItwasnotuntilthenextdaythatIlearnedthetruth.Ⅰ.单词拼写1．Theshipsankandallthepassengersaboard(在船上)endedupintheriver.2．It'sapproximately(接近；大约)midnightwhenwegothome.3．Thedifferencesbetweenthesetwopicturesareveryslight(微小的)．4．Themountainsintheborder(边疆)areaareasbeautifulasapainting.5．Passengerscheckedtheirbaggage(行李)beforeboardingtheplane.6．Iwonderifthereisanicerestaurantnearby(附近的)．7．Insomedevelopingcountries,moreandmorepeoplearemovingtourban(都市的)areas.8．Whendawn(黎明)broke,wewerestill50milesfromCanada.9．Aftertakingsomephotos,theystoppedatthetopofthehilltoadmirethescenery(风景)．10．ColumbusreportedbackthathehaddiscoveredtheAmericancontinent(大洲)．Ⅱ.单句语法填空1．Youareonlyslightly(slight)underweightforyourheight.2．Astraightlineistheshortestdistance(distant)betweentwopoints.3．There'sapinetreeintheyard,measuring(measure)uptotwentymetres.4．Thepany'sproblemsareduetoamixture(mix)ofbadluckandpoormanagement.5．Wecouldjustseetheoutlineofthehouseinthemisty(mist)morning.6．Fairlyterrified(terrify)ofbeingwashedaway,Jameswasstrugglingtograbtheedgeoftheboat.7．Theuniversityheldaveryimpressive(impress)openingceremonyandallthestudentswereveryhappy.8．Iampleased(please)tohavethischancetodaytotalktoyouabouttheChineseculture.9．Hebecamewealthy(wealth)throughhardworkandcarefulsaving.10．Somesuggestionsweremadeatthemeetingthatthesetraditional(tradition)customsbepreserved.11．Hemanagedto_survive(survive)thefinancialcrisisbycuttingdownonthedailyexpenses.12．Helikeschatting(chat)aboutthethingswithhisfriendsontheInternet.13．Surrounded(surround)bymountainsandrivers,thecitylooksverybeautiful.14．IfIrideabike,I'llalwayskeeptotherightandnevercrossaroaduntilthetrafficlightturnsgreen.15．Therewerealotofgrassingup,confirming(confirm)springhadarrived.Ⅲ.选词填空asfaras，beimpressedwith，catchsightof，settledown，haveagiftfor，ratherthan，atdawn，inthedistance1．Aftertheymarried,theysettled_downinasmallvillage,leadingaquietlife.2．Thedriverdidn'tcatch_sight_ofanothercarintime,sotheaccidenthappened.3．ThefirsttimeIvisitedGuilin,Iwas_impressed_withitsbeautifulscenery.4．As_far_asI'mconcerned,heisoneofthemosttalentedstudentsinourclass.5．Youcan'timaginehowexcitedIwaswhenIsawtheancienttowerin_the_distance.6．Thestreetlightseonatduskandgooffat_dawn.7．Rather_thanrefusetohelpyou,Iprefertoborrowmoneyfrommyfriends.8．TheGreenshaveaneight­year­oldgirlwhohas_a_gift_forpainting.Theyexpecthertobeanartistinthefuture.Ⅳ.完成句子1．Asisknowntoall,Chinaislargerthan_any_other_countryinAsia.众所周知，在亚洲中国比其他任何一个国家都大。2．Facinguptoyourproblemsrather_thanrunningawayfromthemisthebestapproachtoworkingthingsout.解决问题的最好方法是面对它们，而不是逃避它们。3．Thereisalargelakenearmyhouse,whichextendsas_far_asthefootofthehill.我的房子附近有一个很大的湖，它一直延伸到山脚。4．Thelittlegirlhas_a_gift/talent_forpaintingandpromisestobeapainter.那个小女孩有绘画天赋，有希望成为画家。5．Thebaseofthepyramidissquare,each_side_measuringeighthundredfeet.金字塔的底座是正方形，每边的长度为八百英尺。Ⅴ.课文回顾LiDaiyuandhercousinLiuQianwereonatrip__1__CanadatovisittheircousinsontheAtlanticcoast.Ratherthan__2__(take)theaeroplanealltheway,theytookthetrainfromwesttoeastacrossCanada.The__3__(think)thattheycouldcrossthewholecontinentwasexciting.Canadaisthesecond__4__(big)countryintheworld.PeoplesayVancouverisCanada'smostbeautifulcity__5__(surround)bymountainsandthePacificOcean.OnthecoastnorthofVancouver,itissowetthere__6__thetreesareextremely