Unit6sectionA知識點講解1、invent發明；創造指創造出以前不存在的東西，尤指科技上的發明創造。例句：—Doyouknowwhoinventedtheelectriclightbulb?你知道是誰發明了電燈泡嗎？—Edison.愛迪生。+orinventor(n.發明家)+or【助記】invent+ion(v.發明；創造)invention(n.發明；發明物)+ion2.with有；帶有；具有表示某物帶有或具有某種特征。【拓展】with作介詞，常見的用法還有：意為＂和……一起＂，表示伴隨。例句：Iliketotalkwithmyfriends.我喜歡和朋友們一起交談。(2)意為＂用……＂，表示使用某種工具、手段等。例句：Cutthewatermelonwithaknife.用刀把這個西瓜切開。(3)意為＂關于；對于；對……來說＂，表示關系等。例句：Areyoupleasedwiththeresult?你對這個結果滿意嗎？3、Itissaidthat...據說……；有人說……其中it是形式主語，that引導的從句作真正的主語。例句：Itissaidthatwisdomisbornwithaman.有人說智慧是與生俱來的。【拓展】類似的句型還有：Itisbelievedthat...＂人們認為……＂；Itisreportedthat...＂據報道……＂；Itisknownthat...＂總所周知……＂；Itissupposedthat...＂據猜測……＂。4、not...until...直到……才……主句/句子的動詞一般是非延續性動詞，它所表示的動作直到until所表示的時間才發生。until可用作介詞，其后接表示時間的名詞；也可用作連詞，引導時間狀語從句。例句：Shecan’tleaveuntilFriday.直到星期五她才能離開。5、mention/’men?n/v.提到；說到mention的主要用法：(1)mention＋that賓語從句例句：HementionedthatthefoodwasinventedbyaChinese.他提到這種食物是由一個中國人發明的。(2)mentionsb./sth.(tosb.)(向某人)提起某人或某事例句：Don’mentionitbeforethechildren.別在孩子們面前提及此事。(3)mentiondoingsth.提到做某事例句：WheneverImentionedhavingdinnertogether,hesaidhewastoobusy.無論何時我一提起一塊兒吃頓飯，他就說太忙。6、remain保持不變；剩余remain作不及物動詞，還可意為＂留下，剩下＂。例句：Sheremainedathome.她留在家里。【拓展】remain還可作系動詞，后可接形容詞作表語。例句：Thisplaceremainsverycoolallsummer.這個地方整個夏天都很涼爽。7、takeplace發生，出現例句：Whendidteatradetakeplace?茶貿易出現在什么時候？【辨析】takeplace與happentakeplace不能用于被動語態；常指事先安排或事發有因的事情。happen不及物動詞，不能用于被動語態，常指偶然發生的事情。8、withoutdoubt毫無疑問；的確(1)doubt作名詞，意為＂疑惑；疑問＂。例句：Ifthereisanydoubt,youhadbettermakecertain.如果有什么疑問，你最好弄清楚。(2)doubt作動詞，意為＂懷疑；不相信＂，其后可直接跟名詞或代詞作賓語。例句：Ihavenoreasontodoubthim.我沒有理由懷疑他。【注意】無論doubt用作名詞還是動詞，在肯定句中其后常接whether從句，在否定句和疑問句中常接that從句。例句：Wedoubtwhetherhewillcome.我們懷疑他是否會來。例句：Thereisnodoubtthatourexperimentwillsucceed.毫無疑問我們的實驗會成功。同步練習。（一）完形填空Awindpowergenerator(發電機)isagreatwaytoproduceelectricityandtosavemoney.Ifitis____1____bycombiningsolarandgaspower,itcanbeaverygoodwaytosavemuchmoneyandmakeourmuch____2____.Awindgeneratorcanbeagreatwaytosupplyyourhomewithnatural,renewable(可再生的)energy.Notonlyit____3____less,itisalsoacleansourceofenergythatcanbestoredaslongasthereis____4____.Windgeneratorscanbeeasilymadeathome____5____therightguidelines(指導原則)foryoutofollow.Buttheproblemisthatwedon’thaveenoughwindydaystoproduce____6____oftheenergyforawholeday.Thisis____7____thewindpowergeneratorusedforcampingisfine,butnotnearlyenoughfortheaveragehousehold.Therearemany____8____intheUnitedStateswhichusewindpowergenerators.Thefarmerssetmachineslikepropellers(螺旋槳)onpolesandbuildtheminfarawayareasbecausetheycanbetoo____9____.Therearealotofotherthingsyoushouldconsiderbeforebuyingawindpowergenerator.Manylocalenergycompanieshavelimitedusingwindpowergeneratorsforextra____10____.Andthetechnologybehindwindpowergeneratorsisnotprefectyet.However,ifyouareabletosupplementtheenergyyouneed,youcanuseawindpowergenerator.Thiswayyouwillsavemoneyandprotecttheenvironmentaswell.1．A．taken B．used C．made D．cut2．A．richer B．dirtier C．cleaner D．bigger3．A．costs B．pays C．spends D．takes4．A．cloud B．snow C．rain D．wind5．A．about B．of C．with D．on6．A．any B．all C．none D．few7．A．how B．when C．where D．why8．A．farms B．schools C．factories D．families9．A．expensive B．large C．noisy D．terrible10．A．usage B．electricity C．money D．food（二）閱讀單選Inventionsmaketheworldbetter,smarterandalittlemorefun.Thefoldingbikehelmet(頭盜)Peoplehatetowearahelmetbecauseit’sthickandheavy.Morpherisabikehelmetmadefromplastics.Itisjustasstrongasthetraditionalones,butflexible(靈活的)enoughtofoldalmosttotallyflat.Alsoitismucheasiertocarry.ShoesthattiethemselvesAfterweseethemovieBacktotheFuture,almosteveryonewantsapairofself-tyingshoes.Now,theshoedreamcomestrueinAmerica.Whenyoupressabutton,theshoescantiethemselves.Thesmartalarmclock—HelloSenseAnalarmclock,calledHelloSense,canimproveyoursleep.Itcancontrolthetemperature,lightandevenairqualityinyourbedroomtohelpyouhaveaperfectsleepenvironment.Anditcanrecordyoursleepcycles.SweetpotatoesthatcouldsavelivesThelack(缺乏)ofvitaminAcancauseblindnessandmanyotherillnesses.Insub-SaharanAfrica,plantexpertsarehelpingthemgrowakindofnewsweetpotatoes.Thesepotatoescanhelpthemfightagainstsomeillnesses.Thefoldingbikehelmetis_________.A．thickandheavy B．madefrommetalC．notasstrongasatraditionalone D．flexibleenoughtofoldalmostflat12．Now,thedreamofshoescantiethemselvescomestruein_________.A．China B．Japan C．America D．France13．ThesmartalarmclockcanNOT_________.A．improveoursleep B．controlourweightC．recordoursleepcycles D．controlthetemperatureinthebedroom14．Ifachildhasapooreyesight,hemaybeinthelackof_________.A．vitaminA B．vitaminB C．vitaminC D．vitaminD15．Youcanfindthepassageina_________.A．newspaper B．storybook C．guidebook D．cookerybookHigh-speedtrains，Alipay(支付寶)，sharedbikesandonlinepaymentareseenasthenewFourGreatAchievementsofChinabyyoungforeigners，accordingtoavideosurveybytheSilkRoadResearchInstituteofBeijingForeignStudiesUniversity.Inthevideo，youngpeoplefrom20countriesalongtheBeltandRoadrouteswereaskedtonamegreatinventionsthathadinfluencedtheirlivesinChina.Thefollowingiswhattheysaidfrom4youngpeopleofthem.Bond，Bangkok，ThailandYoucanfindmanywonderfulthingsthatwedon'thaveinThailand.Wedon'thaveAlipayorotheronlinepaymentappswithwhichIcangoshoppingwithoutsteppingoutofthedoors.IfonlyIcouldbringthembacktomycountry！Yala，Kathmandu，NepalI'mfromNepal.Ialwaysgooutbybike.Bicycle-sharingsystemallowspeopletoborrowabikefrompoint“A”andreturnitatpoint“B”．It'snotonlycheapbutalsoalow-carbon(低碳的)andhealthywayoflife.Ilikeitverymuch.Arehana，NewDelhi，IndiaMylifeinBeijingisquitedifferentfromthatinIndia.HereinChina，IseldomtakemoneywithmewhenIgoout.IcanpayforalmosteverythingbyAlipay.Oh，it'samazing！However，inIndia，ifyoudon'ttakewalletwithyou，you'llbe__in__a__tough__spot．Justin，Bucharest，RomaniaI'mfromRomania.Chinaisreallyagreatcountryanditshigh-speedrailwaysareveryfast，convenientandtidy.Ittakesmeonly6hoursfromBeijingtoShanghaibytrain.Itsavesalotoftimeandit'scheaperthanairplane.Iwishwewouldhavehigh-speedrailwaysinourcountrysomeday.WhatdoesJustinthinkofthehigh-speedrailwaysinChinaaccordingtohiswords?A．Fastandtidy.B．Convenientandwonderful.C．Cheapandamazing.D．Cheapandtidy.17．Whatdo“A”and“B”refertoinYala'swords?A．Twobikes. B．Tworiders.C．Twoplaces. D．Twowaysoflife.18．Whatdoestheunderlinedphrase“beinatoughspot”mean?A．Getintotrouble. B．Loseyourway.C．Stayinsilence. D．Beverypoor.19．WhichofthefollowingisTRUEaccordingtotheaboveinformation?A．Bicycle-sharingsystemprovidesbikesforfree.B．Therearenohigh-speedrailwaysinRomanianow.C．Alipayistheonlywayofpayingforthings.D．PeopleinThailandcanuseonlinepaymentappsconveniently.◆Greenteaisthebestchoiceforofficeworkers.Peoplewhoalwaysworkinplaceswithairconditioningmayfaceskinproblemssuchaseasilydryskin.Amongallthedrinks,greenteaisthebestchoice.Becausethereareimportantthingsingreentea.Moreover,drinkingmoregreenteacanpreventcomputerradiation(輻射)．◆Winteristheseasontodrinkblacktea.Chinesemedicinebelievesthatdifferentpeopleshoulddrinkdifferentteabasedonthedifferentcharacteristicsandtastesofeachkindoftea.Blackteacanwarmthestomachandquickendigestion(消化).Therefore,drinkingwarmblackteainthecoldwinterisamostsuitablechoice.◆Donotdrinkstrongtea.Strongteamaymakethebodyfartooexcitedandcanbadlyaffectthecardiovascular(心血管的)system(神經系統)aswellasthenervoussystem.Forapersonwhohasproblemwiththeseparts,todrinkoverly(過度地)strongteamaycauseheartandbloodpressureillness,orevenmaketheoldillnessesmuchworse.◆Donotdrinktoomuchteawhenyouareeating.Drinkingtoomuchteaorstrongthickteamaynotbegoodfortakinginmanyconstantelementsandtraceelements(常量元素和微量元素).Also,peopleshouldnotdrinkteawithmilkorothermilkyfood.20．Ifyoualwaysworkwiththecomputer,whatkindofteashouldyoudrink?A．Blacktea. B．Greentea.C．Strongtea. D．Hottea.21．Drinkingtoomuchstrongteamaycause________．A．headaches B．heartdiseaseC．skinproblems D．stomachache22．WhichofthefollowingisNOTtrue?A．Ifyouhavestomachache,youshoulddrinkblacktea.B．Whenwechoosetea,weshouldknowthecharacteristicsandtastesofeachkindoftea.C．Strongteamaytakethebodyfartooexcited.D．Attable,weshoulddrinkteaasmuchaspossiblebecauseit’sgoodforourhealth.23．Whichisthebesttitleforthearticle?A．GreenTeaB．AllKindsofTeaC．TeaandSeasonsD．HowtoDrinkTeaCorrectly（三）語法填空閱讀下面短文，在空白處填入一個適當的詞，或填入括號中所給單詞的正確形式。Usingateabagismostwesterners'favoritewayofdrinkingtea.Doyouknowhowitcameabout?Theteabagwasinventedin1908byThomasSullivan，anAmericantea___24___(sell)．Hewassendingoutfreeteainsilkbags___25___peopletotry.Peopleputthebagstogetherwiththetea___26___(leaf)intothecupandaddedhotwater.Theteatastedgood，andpeoplethoughtitwaseasy___27___(clean)thecup.TheywerenothappywhenSullivanstartedsendingthemtheloosetea(散裝茶)again.Sullivan___28___(realize)thathehadahotnewthinginhishands，andhebuilt___29___machinetopackthebags.___30___teabagsbecamepopular，theywerechangedfromsilktogauze(薄紗)andlaterpaper.In1952，LiptonTeamadetheteabagevenmorepopularwithitsinventionofthefour-sidedteabag.TeabagsweresoonahitintheUK，andtodayabout85%oftheteaintheUKis___31___(pack)inpaperbags.However，manypeoplestillpreferloose-leaftea.Thisisbecausesometeacompaniesputpoorqualityteain___32___(them)teabags.Butformost___33___(drink)，teabagsarestillaneasyandtastywaytogo.（四）多句選詞填空用方框中所給詞的適當形式填空。inside,cancel,connect,doubt,brain34．Therewassome________whetherYaoMingcouldbecomeagreatbasketballplayerornot.35．Doctorsbelievethatlung(肺)canceris________withsmoking.36．Canyoutellmewhythenewyearpartywas________?37．ThepurposeofprofessorRead’sresearchistocomparecomputerfunctionswith________working.38．Hewaswildwithjoywhenheopenedtheenvelopeandreadtheletter________.答案1．B

2．C

3．A

4．D

5．C

6．B

7．D

8．A

9．C

10．B【解析】本文是一篇說明文，向我們介紹風能發電的相關內容。1．句意：如果把太陽能和天然氣結合起來使用，這將是一個很好的方法，可以節省很多錢，也更清潔。taken拿；used使用；made制作；cut切。根據“Ifitis...bycombiningsolarandgaspower”可知，把太陽能和天然氣結合起來使用，故選B。2．句意：如果把太陽能和天然氣結合起來使用，這將是一個很好的方法，可以節省很多錢，也更清潔。richer更富有的；dirtier更臟的；cleaner更干凈的；bigger更大的。根據常識可知，風能、太陽能和天然氣都是清潔能源，所以如果將它們結合起來使用將會使我們的生存環境更加干凈。故選C。3．句意：它不僅成本低，而且是一種清潔的能源，只要有風就可以儲存。costs花費錢，主語是物；pays付款，主語是人；spends花費，主語是人；takes花費，主語是物。it在句中指代awindgenerator，當物作主語時，表示“花費錢”要用cost。故選A。4．句意：它不僅成本低，而且是一種清潔的能源，只要有風就可以儲存。cloud云；snow雪；rain雨；wind風。根據常識可知，風力發電的前提是有風。故選D。5．句意：根據正確的指導方針，你可以很容易地在家里制作風力發電機。about關于；of……的；with和；on在……上。根據“Windgeneratorscanbeeasilymadeathome...therightguidelines”可知，在家使用風力發電需要有正確指導，介詞with表示“帶有”符合語境。故選C。6．句意：但問題是我們沒有足夠多的有風的日子來生產一整天的所有能源。any任何；all所有的；none沒有；few幾乎沒有。根據“Buttheproblemisthatwedon’thaveenoughwindydaystoproduce...oftheenergyforawholeday.”可知，不夠一整天的所有能源，故選B。7．句意：這就是為什么用于野營的風力發電機很好，但對普通家庭來說遠遠不夠的原因。how如何；when何時；where哪里；why為什么。根據“Thisis...thewindpowergeneratorusedforcampingisfine,butnotnearlyenoughfortheaveragehousehold.”可知，風力發電產生的能源有限是它適用于野營但不適用于家用的原因，故選D。8．句意：美國有許多農場使用風力發電機。farms農場；schools學校；factories工廠；families家庭。根據“Thefarmers...”可知，是農場，故選A。9．句意：農民們把像螺旋槳一樣的機器安裝在桿子上，然后在很遠的地方建造，因為它們可能太吵了。expensive昂貴的；large大的；noisy吵鬧的；terrible糟糕的。根據常識可知，人們將它們建在很遠的地方是因為風力發電會產生很大的噪聲。故選C。10．句意：許多當地能源公司已經限制使用風力發電機來提供額外電力。usage使用；electricity電；money錢；food食物。風力發電是發電方式的補充，故此處表示額外的電能。故選B。11．D

12．C

13．B

14．A

15．A【解析】本文介紹了四種發明，詳細地介紹了它們的特點。11．細節理解題。根據“Itisjustasstrongasthetraditionalones,butflexible(靈活的)enoughtofoldalmosttotallyflat.”它和傳統的一樣堅固，但又足夠靈活，可以幾乎完全扁平折疊。可知，這種可折疊的自行車頭盔足夠靈活，幾乎可以折疊成平面。故選D。12．細節理解題。根據“Now,theshoedreamcomestrueinAmerica.”可知，這種新型的能夠自己系鞋帶的鞋子在美國已經被成功研發出來了。故選C。13．推理判斷題。根據“Analarmclock,calledHelloSense,canimproveyoursleep.Itcancontrolthetemperature,lightandevenairqualityinyourbedroomtohelpyouhaveaperfectsleepenvironment.Anditcanrecordyoursleepcycles.”可知，這種新型的智能鬧鐘可以改善你的睡眠；可以控制臥室的溫度、光線甚至空氣質量，幫助你擁有一個完美的睡眠環境；還可以記錄你的睡眠周期。而B選項“控制我們的體重”文中并未提及。故選B。14．細節理解題。根據“Thelack(缺乏)ofvitaminAcancauseblindnessandmanyotherillnesses.”可知，缺乏維生素A會導致失明和許多其他的疾病。因此，如果一個孩子視力差，他可能缺乏維生素A。故選A。15．推理判斷題。根據“Inventionsmaketheworldbetter,smarterandalittlemorefun.”結合文章內容，可知本文主要介紹了四種不同的發明創造，因此最可能出現在報紙上。故選A。16．A

17．C

18．A

19．B【解析】文章大意：短文講了高速列車、支付寶，共享自行車和在線支付被視為中國新的四大成就，一些外國的年輕人對這些新事物提出了自己的看法。16．細節理解題。根據Justin所說的話thehigh-speedrailwaysareveryfast，Convenientandtidy．高鐵快速、方便和整潔．可知他認為中國的高鐵快速和整潔；故答案選A。17．細節理解題。根據Yala所說的話Ialwaysgooutbybike．Bicycle-sharingsystemallowspeopleborrowabikefrompointAandreturnitatpointB．我總是騎自行車出去，共享單車允許人們從A處借，然后把它歸還在B處。可知這里"A"和"B"指的是兩個地方；故答案選C。18．詞義猜測題．根據上文說IcanpayforalmosteverythingZhiFuBao．我幾乎可以用支付寶支付每件東西，和下文however但是，表示轉折，可知應是說，但是，在印度，如果你沒帶錢包，你會陷入困境；結合選項，可知A選項“Getintotrouble.”意為陷入困境，故答案選A。19．細節判斷題。根據Justin所說的話IamfromRomania．Iwishwewouldhavehigh-speedrailwaysinourcountrysomeday．我是羅馬尼亞人，我希望有一天我們的國家能有高速鐵路。可知現在在羅馬尼亞沒有高鐵，故答案選B。20．B

21．B

22．D

23．D【解析】短文大意：飲茶對人是有好處的，但是方法要正確，本文從四個方面介紹了人們如何正確飲茶。20．根據◆Greenteaisthebestchoiceforofficeworkers.中最后一句Moreover,drinkingmoregreenteacanpreventcomputerradiation(輻射)可知，多喝綠茶可以防止電腦輻射。故選B。21．根據◆Donotdrinkstrongtea中最后一句.Forapersonwhohasproblemwiththeseparts,todrinkoverly(過度地)strongteamaycauseheartandbloodpressureillness,orevenmaketheoldillnessesmuchworse.可知，喝過量的濃茶會導致心臟和血壓疾病。故選B。22．根據◆Donotdrinktoomuchteawhenyouareeating.中第一句Drinkingtoomuchteaorstrongthickteamaynotbegoodfortakinginmanyconstantelementsandtraceelements(常量元素和微量元素).可知，喝太多茶或濃茶可能不利于攝入許多常量元素和微量元素。所以我們吃飯時不應該多喝茶。故選D。23．根據短文大意可知，本文主要介紹了人們如何正確飲茶的方式方法，所以HowtoDrinkTeaCorrectly符合文意。故選D。24．seller

25．for

26．leaves

27．toclean

28．realized

29．a

30．As/While

31．packed

32．their

33．drinkers【解析】短文大意：短文介紹的是西方流行的飲茶方式袋裝茶，