选择性必修第二册 Unit 4　Journey Across a Vast Land

英语大一轮复习JourneyAcrossaVastLand选择性必修第二册Unit4202X/01/01汇报人：内容索引01排查基础知识02突破核心考点03提升写作能力排查基础知识01单击此处添加章节副标题Ⅰ.阅读单词——会意n.航空公司n.(海或湖的)湾n.古物；古董adj.古老的；古董的adv.字面上；真正地adj.壮观的；壮丽的；惊人的n.壮丽的场面；精彩的表演1airline2bay3antique4literally5spectacular知识速记n.山羊n.灰熊vi.&vt.钻(孔)；打(眼)n.钻(头)；训练；演习n.(alsoshoppingmall)购物商场；购物广场n.北美草原n.束；串；捆7grizzlybear8drill9mall10prairie6goat11bunch(especially

USharbor)n.(海)港；港口n.采石场n.钢；钢铁工业adj.铺有鹅卵石的adj.有条理的；清楚易懂的12harbour13quarry14steel15cobblestone16coherentn.手艺；工艺；技艺vi.(arose，arisen)起身；出现；由……引起adj.准备前往(某地)；一定会

vi.跳跃着跑n.限制n.风景；景色adj.令人惊叹的；令人敬畏的；可怕的；很好的1craft2arise3bound4scenery5awesomeⅡ.重点单词——记形n.顶峰；山峰；尖形

；帽舌adj.高峰时期的；巅峰状态的n.最好或最精彩的部分vt.突出；强调；使醒目n.窗帘；幕布n.国界；边界(地区)(especially

USenroll)vi.&vt.(使)加入；注册；登记n.习语；成语6peak7highlight8curtain10enrol11idiom9borderadj.相反的；相对立的n.相反的事实(或事情)adv.(结束交谈或转换话题时)不过；反正prep.在……旁边；与……一起adv.在旁边vi.行进；继续做n.岸；滨n.黄昏；傍晚12contrary13anyhow14alongside16shore17dusk15proceedn.口音vt.欠(账、债、情等)；归因于；归功于n.烤面包片；吐司；(在某领域)广受赞誉的人，

有口皆碑的人

；干杯vt.为……干杯vt.&vi.烤(尤指面包)18accent19owe20toast12massive adj.巨大的；非常严重的→mass

n.团；堆；许多；大量breath n.呼吸的空气→breathe

vt.&vi.呼吸→breathless

adj.气喘吁吁的；(令人)目瞪口呆的Ⅲ.拓展单词——悉变34freeze vi.&vt.(froze，frozen)结冰；(使)冻住；使定格

；

(因害怕等)停住不动→freezing

adj.极冷的；冰冻的→frozen

adj.结冰的；冻僵的；冷冻的；吓呆的anticipate vt.预料；预见；期望→anticipation

n.预料；预见；预期；期望56thunder vi.打雷；轰隆隆地响；轰隆隆地快速移动

n.雷声；轰隆声→thunderous

adj.雷鸣般的；怒气冲冲的frost n.霜；严寒天气；霜冻

vt.使蒙上霜

vi.结霜→frosty

adj.冷淡的

；严寒的；结霜的78duration n.持续时间；期间→during

prep.在……期间astonish

vt.使十分惊讶；使吃惊→astonishing

adj.惊人的；令人惊讶的→astonished

adj.感到惊讶的→astonishment

n.惊讶910mist

n.薄雾；水汽→misty

adj.多雾的；模糊的advertisement n.(informalad)广告；启事→advertise

vi.&vt.(为……)做广告/宣传；征聘→advertising

n.广告；广告业；广告活动1211photographer n.摄影师；拍照者→photograph

n.照片

vi.上相

vt.(为……)拍照→photography

n.摄影；摄影艺术pleasant adj.令人愉快的；友好的→please

vt.&vi.(使)高兴；(使)满意→pleased

adj.高兴的；满意的→pleasing

adj.令人愉快的→pleasure

n.快乐；乐趣1.形容词后缀-some：通常用于形容词和名词的构词中，表示“具有……的特性”或“引起……的状态或行为”，如fearsome(很可怕的)、troublesome(令人烦恼的)等。2.名词后缀-ure：放在动词词根后面，构成抽象名词，既可以表示动作、状态或行为，如pleasure(快乐)、closure(关闭)、pressure(压力)等；也可以表示动作或行为产生的结果，如creature(生物)、sculpture(雕刻品)等。积累——构词法学一法会一类(1)Thetaskistooburdensometobecompletedbyhimself.(2)Thoughhewasquarrelsomebynatureandoftenstubborn，hewasalwaysgentlewithchildren.(3)AsfarasIamconcerned，

(fail)isnottheoppositeofsuccessbutpartofthejourney.(4)

(expose)todiverseculturesbroadensone’sperspectiveandfostersempathytowardsothers.(5)

(depart)isatimeforreflection，amomenttocherishmemoriesandgatherstrengthforthejourneyahead.________________积累——构词法学一法会一类繁重的喜欢争吵的failureExposureDeparturecompel/kəm'pel/

vt.迫使；强迫affectionate/ə'fekʃənət/

adj.充满深情的；表示关爱的climax/'klaImæks/

n.高潮；巅峰provoke/prə'vəʊk/

vt.激发；挑衅norm/nɔːm/

n.规范；标准；常态13——背选修词汇拔高词汇24512takesb’sbreathaway 令人惊叹freezingcold 极冷的；冻僵的abunchof 一束；一串；一群；大量contraryto 相反的；相对立的proceedtosth

进而做(参加)owesthtosb

欠(某人情)；把……归功于某人acoupleof 几个betypicalof 是……的典型特点345678Ⅳ.背核心短语910inadditionto

除……之外(还)allinall

总而言之1Ratherthantravelbycommercialairlinealltheway，theydecidedtoflytoVancouverandthentakethetrain.(ratherthan)她们没有一路乘坐商业航班，而是决定先飞到温哥华，然后再乘坐火车。Seenfromthetrainwindow，themountainsandforestsofCanadalookedmassive.(过去分词短语作状语)从火车的窗户向外看，外面是加拿大连绵起伏的山脉和大片的森林。2Ⅴ.悟经典句式3Lookingatthebeautifulscenery，theybothagreedthatitwasthemostawesomejourneytheyhadevertaken.(现在分词短语作状语)看着这美丽的风景，她们两人一致认为，这是她们有生以来最棒的旅行。Sinceitcanbetoocoldtogooutdoors，Edmontonishometomanyshoppingmalls.(too...to...)因为天太冷不能去户外，埃德蒙顿成了许多购物广场的所在地。45Itwasnotuntil9：30a.m.thattheyfinallyreachedthecapitalofOntario，Toronto.(Itwasnotuntil...that...强调句型)直到上午9：30，她们才最终抵达安大略的省会多伦多。(2024·浙江1月)Thetipthatcomesupmostoftenissimple：buildonlinecoursesintoyourweeklyschedule，justlikewhatyouwoulddowithinpersoncourses.[句式分析]此句是

句。thatcomesupmostoften是

从句，修饰先行词thetip；what引导

从句。[尝试翻译]

_________________________________________________________________________________________________________________主从复合体验——析真题长句知高考难度最常被提及的建议很简单：把在线课程纳入你的每周计划，就像你对现场课程所做的那样。定语宾语Ⅰ.阅读单词1.airline

n.________2.bay

n.____________3.antique

n.__________

adj._______________4.literally

adv._______________5.spectacular

adj._______________________

n._______________________6.bunch

n.___________航空公司(海或湖的)湾古物；古董古老的；古董的字面上；真正地壮观的；壮丽的；惊人的壮丽的场面；精彩的表演词汇默写束；串；捆默写巩固7.drill

vi.&vt._____________

n.__________________8.harbour

n.____________9.quarry

n._______10.coherent

adj._____________________钻(孔)；打(眼)钻(头)；训练；演习(海)港；港口采石场有条理的；清楚易懂的Ⅱ.重点单词1.

vi.起身；出现；由……引起2.

adj.准备前往(某地)；一定会

vi.跳跃着跑3.

n.风景；景色4.

adj.令人惊叹的；可怕的；很好的；令人敬畏的5.

n.最好或最精彩的部分

vt.突出；强调；使醒目6.

n.顶峰；山峰；尖形；帽舌

adj.高峰时期的；巅峰状态的ariseboundsceneryawesomehighlightpeak7.

n.手艺；工艺；技艺8.

n.窗帘；幕布9.

n.国界；边界(地区)10.

(especially

USenroll)vi.&vt.(使)加入；注册；登记11.

adj.相反的；相对立的

n.相反的事实(或事情)12.

adv.(结束交谈或转换话题时)不过；反正13.

prep.在……旁边；与……一起

adv.在旁边craftcurtaincontraryanyhowalongsideborderenrol14.

n.黄昏；傍晚15.

n.口音16.

vt.欠(账、债、情等)；归因于；归功于duskaccentoweⅢ.拓展单词1.

adj.巨大的；非常严重的→

n.团；堆；许多；大量2.

vi.&vt.结冰；(使)冻住；使定格；(因害怕等)停住不动→

adj.极冷的；冰冻的→

adj.结冰的；冻僵的；冷冻的；吓呆的3.

vi.打雷；轰隆隆地响；轰隆隆地快速移动

n.雷声；轰隆声→

adj.雷鸣般的；怒气冲冲的massivemassfreezefreezingfrozenthunderthunderous4.

n.持续时间；期间→

prep.在……期间5.

n.霜；严寒天气；霜冻

vt.使蒙上霜

vi.结霜→

adj.冷淡的；严寒的；结霜的durationduringfrostfrostyⅣ.核心短语1.

极冷的；冻僵的2.

一束；一串；一群；大量3.

相反的；相对立的4.

进而做(参加)5.

欠(某人情)；把……归功于某人6.

除……之外(还)freezingcoldabunchofcontrarytoproceedtosthowesthtosbinadditiontoⅠ.单句语法填空1.Thepoormatchgirlwas

todeathona

night.(freeze)2.Iam

withthe

atmosphere，whichbringsmemuch

.(please)3.Ona

day，wecouldonlyseetheoutlineofthehousethroughthe

.(mist)4.Withgreat

，weeagerly

thearrivalofspringandthewarmthitbrings.(anticipate)默写巩固语境运用frozenfreezingpleasedpleasantpleasuremistymistanticipationanticipate5.Wewereso

atthe

newsthatwordsfailedtoexpressour

.(astonish)6.Dreamingofbecomingaworld-famous

，Iintendtomajorin

atuniversity.(photograph)7.WhenIreachedthepeakofthesteephill，Iwas

andstruggledto

normally，butwithevery

，thefreshairfilledmylungs.(breath)8.Topromoteournewproduct，wehavedesignedaneye-catching______________andlaunchedanaggressive

campaignacrossmultipleplatforms.(advertise)astonishedastonishingastonishmentphotographerphotographybreathlessbreathebreathadvertisementadvertising单句汉语提示微写作短文1.为了欣赏沿途的风景，我们选择了乘坐火车，而不是直接飞往目的地。(ratherthan)DearLucy，How’severythinggoingthere？NowI’mwritingtotellyousomethingwonderful.Duringthesummervacation，myparentsandIwentonatriptothecapitalcityofXizang，Lhasa.Toenjoythesceneryalongsidetheroad，1.

，wetookthetrain.ratherthanflytothedestinationdirectlyⅡ.补全短文(微写作)单句汉语提示微写作短文2.所以直到一周之后，我们才到达拉萨。(Itwasnotuntil...that...强调句型)3.拉萨位于青藏高原中部，海拔3650米，拥有许多名胜古迹。(过去分词短语作状语)So2.

wearrivedinLhasa.3.___________________________________________,3,650metersabovesealevel，Lhasahasmanyplacesofinterest.WefirstvisitedthePotalaPalaceoriginallybuiltinthe7thcentury.itwasnotuntiloneweeklaterthatLocatedinthecentralQinghai-XizangPlateau单句汉语提示微写作短文4.看着这个壮观的地方，我们都被它的绝美所震撼。(现在分词短语作状语)5.被它的神圣和庄严所震撼，我们敬畏得不敢大声说话。(too...to...)4.

，wewereallsurprisedbyitsawesomebeauty.Shockedbyitsholinessandsolemnity,5.

.Andthen，weappreciatedarichcollectionofculturaltreasuresintheXizangMuseumwherewelearntsomeusefulhistoricalknowledgeaboutXizang.IstronglyrecommendthatyoutraveltoXizangwithmenexttimeandI’msureyouwillhaveawonderfultime.Iamlookingforwardtoyourearlyreply.Yours，LiHuaLookingatthisspectacularplaceweweretooawestrucktospeakloudlyAphotographerwasenrolledinawintercampandona1.________(freeze)coldday，heboardedthetrainboundforaharbourcity.The2.

(anticipate)arrivaltimewassixintheevening.Drawingbackthecurtain，hewasastonishedtoseemistyclouds3.

(float)onthepeakofamassivemountain.Contrarytohisinitialbelief,4.

heconsideredboringonthetrainproved5.

(be)oneofthehighlightsoftheawesometrip.6.

thetrainthunderingon，词汇串记freezinganticipatedfloatingwhattobeWithhereachedthedestinationatdusk.Spectacularsceneryandpleasantfreshairliterallytookhisbreathaway.Tallbuildingsofglassandsteel7._______(arise)everywhere.He8.

(attract)bytheexceptionaladvertisementsintheshoppingmall，sellingcrafts，antiquesandbunchesofflowers.Feelingalittlehungry，heboughtapieceoftoastinthesupermarketalongsidethestreet,9.

hechattedwithpeoplewithdifferent10.

(accent).Anyhow，heowedhishappinesstothewintercamp.Thenextevening，hewouldproceedtothenextstop.arosewasattractedwhereaccents返回突破核心考点02提示：题干中加底纹词汇为本单元词汇vi.(arose，arisen)发生；出现；产生；起身，起立；由……引起arisearisefrom＝ariseoutof由……引起；因……产生arisefromone’schair/seat从椅子/座位上站起来1(1)正如通常的情况一样，许多冲突和争吵都源于误解。Asisoftenthecase，manyconflictsandquarrels____________________________________.arisefrom/outofmisunderstandings(2)听到这个消息，他勃然大怒，从椅子上站起来，一言不发地冲出了房间。(读后续写之情感描写)Hearingthenews，heboiledwithanger，

andrushedoutoftheroomwithoutaword.rosefromhischaircontrary·(be)contraryto与……相反；与……背道而驰；违背·onthecontrary与此相反；恰恰相反tothecontrary相反的；相反地2(1)Contrary

popularbelief，moderateexerciseactuallydecreasesyourappetite.(2)Unlessthereisevidence

thecontrary，weoughttobelievethem.totoadj.相反的；相对立的n.相反的事实(或事情)(3)你的建议绝非毫无价值；相反，它对我来说非常有意义。Yoursuggestionisfarfromworthless；

，itmakesagooddealofsensetome.(4)令他们失望的是，研究结果与他们的预期恰恰相反。Totheirdisappointment，theresultoftheresearch_________________________________.onthecontrarywascontrarytotheirexpectationsastonish·beastonishedat/bysth因某事感到惊讶beastonishedtodosth对做某事感到惊讶·in/withastonishment吃惊地toone’sastonishment让某人惊讶的是(1)So

wastheadvertisementthatallpeopleworean_____________expression.(astonish)3astonishingastonishedvt.使十分惊讶；使吃惊(astonishedadj.感到惊讶的astonishingadj.惊人的；令人惊讶的astonishmentn.惊讶)(2)Tomy

(astonish)，hestillrememberedmynameevenafterIgraduatedmanyyearsago.→

hestillrememberedmynameevenafterIgraduatedmanyyearsago.(what引导主语从句)(3)听到这个惊人的消息，我们都惊讶得僵住了，好像扎根在地上似的。(读后续写之情感描写)Onhearingtheastonishingnews，

，asifrootedtotheground.astonishmentWhatastonishedmewasthatweallfrozein/withastonishmentowe·owesbsth＝owesthtosb欠某人某物owesthtosb/sth把某事归功于某人/某事oweittosbthat...把……归功于某人·owingto因为，由于4(1)Sheowes

toherperseveranceanddeterminationthatsheovercamealltheobstaclesinherway.(2)我英语成绩的优异要归功于我英语老师的持续帮助和指导。I

theconsistenthelpandguidanceofmyEnglishteacher.itowemyexcellentgradesinEnglishtovt.欠(账、债、情等)；归功于；归因于(3)我向你道歉，因为周五下午我没有和你一起去书店。(应用文写作之道歉信)

fornotgoingtothebookstorewithyouonFridayafternoon.(4)大卫在终点线气喘吁吁地说道：“正是因为您的鼓励，我才能够克服内心的恐惧，在越野赛中挑战自我。”Davidwasoutofbreathatthefinishline，saying，“Itis___________________________thatIcanovercomemyinternalpanictochallengemyselfinthecross-countryrun.”Ioweyouanapology/oweanapologytoyouowingtoyourencouragementratherthan...·ratherthan是并列连词，连接的并列成分可以是名词、代词、形容词、

介词(短语)、动词-ing形式、分句等。·宁愿做……而不愿做……：prefertodo...ratherthando...woulddo...ratherthando...wouldratherdo...thando...Ratherthan

travelbycommercialairlinealltheway，theydecidedtoflytoVancouverandthentakethetrain.她们没有一路乘坐商业航班，而是决定先飞到温哥华，然后再乘坐火车。5·orrather更确切地说otherthan除了注意：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或数上保持一致。(1)Sheworksasasecretary，

rather，apersonalassistant.(2)Ifeelitisyouratherthantheboywho

(be)toblameforbeinglateforthemeeting.(3)学生应该腾出更多时间进行英语阅读，而不是花太多时间看电影或听音乐。StudentsshouldsparemoretimeforEnglishreading_________________________________________________________.orareratherthanwatchingmoviesorlisteningtomusictoomuch(4)尽管我们有很多作业要做，但我仍然强烈呼吁大家利用课间时间进行运动而不是睡觉，这样我们才能保持健康和精力充沛。(2024·浙江1月，应用文写作)Evenifwehaveloadsofschoolworktodo，Istillstronglyappealtoallofustoengageinsports

sothatwecankeephealthyandrefreshed.ratherthansleepduringtheclassbreakstoo...to...·too＋adj./adv.(forsb)＋todosth表示否定的意义，意为“太……而不能做某事”。·当“too...to...”结构用来修饰表达人的态度、情绪倾向的形容词，如anxious，

eager，glad，happy，pleased，ready，willing等时，表示肯定意义，意为

“非常”。·can’t/cannever...too...再怎么……也不过分Sinceitcanbetoocoldtogooutdoors，Edmontonishometomanyshoppingmalls.因为天太冷不能去户外，埃德蒙顿成了许多购物广场的所在地。6(1)俗话说：“活到老学到老。”Justastheoldsayinggoes，“

.”(2)我非常高兴得知你对长城很感兴趣。长城太壮观了，不容错过。正如一句古话所说，“不到长城非好汉”。所以，我无论怎么强调攀登长城的意义都不为过。

youarekeenontheGreatWall.TheGreatWallis

.Justasanoldsayinggoes，“HewhodoesnotreachtheGreatWallisnotatrueman.”So______________________________________________________________.ItisnevertoooldtolearnIamtoodelightedtolearnthattoospectaculartomissIcanneverstressthemeaningofclimbingtheGreatWalltoomuchⅠ.一词多义练/熟词生义练——清除阅读障碍1.Thenaughtyboybounded①intotheroom，tellinghisparentsthathewasbound②forthefarmtohuntarabbitandfirmlybelievedthathewasbound③tosucceediftherewasnobound④.①__________

②_________________

③__________

④______v.跳跃着跑adj.准备前往(某地)adj.一定会基础达标n.限制提示：题干中加底纹词汇为上一单元词汇2.Themomentwearrivedattheawesome①palace，wewereshockedbyitsawesome②power.Butthenwhenwewalkedoutofit，anawesome③caraccidenthappenedinfrontofuswhichfrightenedallofus.①______________

②______________

③__________adj.令人惊叹的adj.令人敬畏的adj.可怕的3.Shetoasted①thebreadlightlyonbothsidesandthendistributedthetoast②amongallguests.Afterallofusenjoyedthem，shestoodupandproposedatoast③toMarywhowasthetoast④oftheparty.①______________

②__________

③______

④______________________________________v.烤(尤指面包)n.烤面包片n.干杯n.(在某领域)广受赞誉的人，有口皆碑的人4.Atthepeak①ofthemountain，Isawmanyexcitedclimbers，foritwasthepeak②seasonformountainclimbing.Amongthemwasamanwhowastouchingthepeak③ofhiscapasIpassedby.①_______②______________

③______n.顶峰adj.高峰时期的n.帽舌Ⅱ.核心知识强化练——巩固语言知识1.Heturneddownthelittlegirl’srequestregardlessofher

(mist)eyesandbeggingtone.2.Thephotographerhasa

(please)mannerandisagiftedpublicspeaker.3.Aslongasyoufollowtheadviceofferedabove，youarebound_______(learn)Chinesewell.4.Theinstanthefinishedhisspeech，thehallwasfilledwith___________(thunder)applause.mistypleasant/pleasingtolearnthunderous5.Sheowesit

thesupportoftheassociationthatshepursuedherdreamcareersuccessfully.6.It’shightimethatI

(toast)thesuccessofyourassociation.7.Runningallthewaytoschool，Annmadeittotheclassroominthelastminute，

(breathe).8.Itwasnotuntilthesunhadsetbehindthemountains

werealizedwehadlostourwayintheforest.totoasted/shouldtoastbreathlessthat9.Itwas

(freeze)coldoutsideandthewindowswerecoveredwithheavyfrost.10.Littlemistakes

(arise)fromcarelessnesswillbringaboutgreatconsequenceifnotdealtwithproperly.freezingarising返回提升写作能力03单击此处添加章节副标题应用文增分练旅游(2021·天津3月，书面表达改编)假设你是晨光中学的李津。我市为外国友人提供生活信息的某英文网站新增了《最美中华》栏目，请你给该栏目投稿，介绍一个国内你喜欢或去过的地方，内容包括：1.该地方的基本情况(如名称、地理位置等)；2.该地方的特色(如文化、景点等)；3.你对该地方的印象和感受。1.位于中国西南部的四川省，由于其独特的地理条件，拥有众多世界著名的名胜古迹。(过去分词短语作状语；owingto)_____________________________________________________________2.九寨沟国家公园是四川省北部的一个自然保护区，以其壮观的景色为特色，定会让你叹为观止。(spectacular；beboundtodo；takeone’sbreathaway)_____________________________________________________________3.漫步在保护区中，你会对丰富的生物多样性感到惊叹。(现在分词短语作状语)_____________________________________________________________应用文增分练完成句子4.另一个风景名胜是都江堰灌溉工程，它是一项拥有2000多年历史的遗产，而非现代灌溉系统，(定语从句；ratherthan)_____________________________________________________________5.这里的风景如此迷人，我相信你一定会很高兴地亲自来参观。(too＋adj.＋to...)_____________________________________________________________把以上句子用适当的过渡词语和过渡句组成一篇80个词左右的短文。应用文增分练组句成篇ABeautifulPlaceinChinaMarch19,2021ByLiJinLocatedinthesouthwesternpartofChina，SichuanProvinceboastsamultitudeofworld-famousplacesofinterestowingtoitsuniquegeographicalconditions.JiuzhaigouNationalPark，anaturereserveinthenorthofSichuanProvince，featuresspectacularscenerythatisboundtotakeyourbreathaway.Thehighlightisitsmanymulti-levelwaterfallsandcolorfullakes，应用文增分练参考范文wherevisitorscanboardboatsandenjoythebreathtakingscenerysurroundingthem.Walkingthroughthereserve，youwillbeamazedbytherichbiodiversity.Additionally，anotherscenicspotistheDujiangyanIrrigationProject，whichisaheritagedatingbacktoover2,000yearsagoratherthanamodernirrigationsystem，eventhoughitstillplaysanimportantroletoday.SoattractiveisthesceneryherethatIamsureyouwillbetoodelightedtovisititinperson.亮词[环境描写]

bay；scenery；peak；prairie；frost；border；harbour/harbor；shore；pleasant；massive；awesome；spectacular；freezing；misty；dusk[动作描写]

arise；takesb’sbreathaway；bound；thunder；enrol；proceedto；astonish；owesthtosb；toast续写积累提能练教材语料整合美句1.Seenfromthetrainwindow，themountainsandforestsofCanadalookedmassive.(环境描写)2.Edmontonisfreezingcoldinwinter，withdailytemperaturesaveraging－10℃.(环境描写)3.However，theydidn’tanticipateseeingsuchanopencountry，andweretrulyamazed.(情感描写)4.Thetrainthunderedon，throughtherollinghills.Thebushesandmapletreesoutsidetheirwindowswerered，goldandorange，andtherewasfrostontheground，confirmingthatautumnhadarrivedinCanada.(环境描写)美句5.Standinginthedistance，theywereastonishedtoseemistycloudsrisingfromthegreatNiagaraFalls.(情感描写)6.Waterfromthelakesflowsintothe