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1、人教版2019必修二Unit4VideoTime（课堂提高练）学校:姓名：班级：考号：一、完成句子1. 他们为了保持健康每天运动。（不定式短语作目的状语）Theytakeexerciseeveryday.2. 所有客人到达时他都热情接待。（greet）Heastheyarrived.3. 夜幕降临后,顾客们会涌进饭馆、酒吧。（crowd）Whennightfalls,customerstherestaurantsandbars.二、阅读理解SinceIwasbomandbroughtupinarural（乡村的）town,Ihaveagreatinterestinnature.Usingthe
2、chanceofstudyingabroadinmysecondyearatcollege,IdecidedtogotoCanadajustbecauseIwantedtoseethebeautifulphenomenathere.SoafterIfinishedthestudyabroadprogram,IwenttoYellowknifeintheNorthWestTerritories.IclearlyrememberthesixthnightintheYellowknife.Suddenlymyhostmothercametomyroomaround8p.m.andtoldmetoch
3、angeclothesandgooutsidequicklycarryinghercamera.The44northemlights,wereflickeringinthesky!Iwasastonishedandjuststoodtherewithmymouthopen.Iforgottotakepicturesofthemysteriouslights.IwassoexcitedthatIcouldn,tsleepatallthatnight.Sincethatnight,wheneveritwassunny,Iwentoutsideatnightandlookedatthesky.Itw
4、assocoldthatIlostallfeelingsinmyhandsandfeet.Actually,thetimeofmybeingabletobeoutwaslimited.Ihadtobringhercamerabacktohouseinonehouratthemost,forthecamerawasgoingtobebrokenbecauseofthecoldtemperature.AsItookthepicturesofthenorthernlights,Icametofindacharacteristicmovementofthelights.Theyfirstappeari
5、nthenorthpartoftheskyandthentheygraduallycomedowntothesouthpartofthesky.Afterthat,suddenly,theycomeinthemiddleofthenorthandsouthonlyforawhile,whichisthetimewhenthebestnorthernlightscanbeseen.Sinceitisonlyafewsecondsforthenorthernlightstocomedowntothemiddleofthesky,itisveryhardtogetgoodpictures.Thest
6、rongerthesunacts,thebetterandstrongerthenorthernlightsflickerinthesky.That,sbecausetheyoccurfromthecollisionsbetweenatmosphericgasesandsolarwind.Muchmoresolarwindcomestotheearthwhenthesunisactive,whichleadstothebestnorthernlights.Andthecoloursofthenorthernlightsdependontheheightofthecollisionsandkin
7、dsofgases.4. Whydidtheauthorforgettotakepictures?A. Itwasverycoldoutside.B. Hewasshockedbythewonderfulsights.C. Thelightswereflickeringinthesky.D. Helostallfeelingsinhishandsandfeet.5. Fromthepassagewecanseethat.A. theauthorcouldstayaslongashelikedoutsideB. thenorthernlights“cameouteverynightC. thea
8、uthortookalotofpictureswithhiscameraD. cameraswillbedamagedifexposedtoolonginverycoldweather6. Whenisthebesttimetoseethenorthernlights”?A. Theyappearinthenorthpartofthesky.B. Theycomedowntothesouthpartofthesky.C. Theyareinthemiddleofthenorthandsouth.D. Theyriseintheeastpartofthesky.7. Theauthorfound
9、ithardtotakegoodpicturesbecause.A. thelightsstayedinthemiddleforaveryshorttimeB. thelightsofthesunaffectedthe“northernlights”C. thelightswerecausedbythecollisionsofgasesD. thecoloursofthelightsaredeterminedbytheheight参考答案:1 .tokeephealthy【详解】考查不定式短语作目的状语。分析句子可知，“为了保持健康是每天运动的目的，作目的状语，可用不定式短语tokeephea
10、lthy表示。故填tokeephealthyo2 .greetedalltheguestswarmly【详解】考查动词时态和副词。根据所给中文提示词和英文翻译可知，需翻译部分是“所有客人都热情接待“，根据题干要求，需用greet意为“欢迎”，所以作本句谓语，根据后文中的“arrived”可知，用一般过去式，“所有客人”作宾语，译为“alltheguests”，“热情地”修饰greet,用副词修饰，译为“warmly”。故填greetedalltheguestswarmlyo3 .crowdinto【详解】考查动词短语。主句缺谓语，根据从句谓语falls,可知时态采用一般现在时，主语custom
11、ers是复数,主谓保持一致;结合汉语意思,表示“涌进”用crowdinto。故填crowdinto。4 .B5.D6.C7.A【导语】本文是一篇记叙文。作者出生在乡下，对大自然有浓厚的兴趣。他利用大二出国进修的机会去了加拿大，因为他想观看北极光。5 .细节理解题。根据第三段中Twasastonishedandjuststoodtherewithmymouthopen.IforgottotakepicturesofthemysteriousIightS.（我很惊讶，只是张着嘴站在那里。我忘了给神秘的极光拍照）“可知，作者被这些奇妙的景象惊呆了，所以忘了拍照。故选B项。6 .推理判断题。根据第四段
12、中的“Ihadtobringhercamerabacktohouseinonehouratthemost,forthecamerawasgoingtobebrokenbecauseofthecoldtemperature.（我不得不在最多一个小时内把她的相机带回屋里，因为温度太低，相机快要坏了）“可推知，如果在非常寒冷的天气下暴露时间过长，相机会损坏。故选D项。7 .细节理解题。由第五段中“Afterthat,suddenly,theycomeinthemiddleofthenorthandsouthonlyforawhile,whichisthetimewhenthebestnorthernlightscanbeseen.（在那之后,它们突然出现在南北的中间，只是一会儿，这是看最美北极光的时候）”可知，看“北极光的最佳时间是当北极光位于南北的中间时。故选C项。8 .细节理解题。根据第五段中“Sinceitisonlyafewsecondsforthenorthernlightstocomedowntothemiddleofthesky,itisveryhardtogetgoodPiCtUreS.（由于北极光降落到天空中央只有几秒钟的时间，所以很难拍到好的照片）“可知，作者发现很难捕捉到好的照片的原因是它们出现在天空正中间的时间太短。故选A项。
