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1EvaluationWarning:ThedocumentwascreatedwithSpire.Docfor.NET.课时跟踪练(四)Lesson2&Lesson3—LanguagePoints一、全练语言点，基稳才能楼高Ⅰ.单词拼写1．Poorthoughtheyare,thewomanstilldonates(捐送)alotofmoneytotheRedCrosseveryyear.2．TheIndiansweretheoriginal(最早的)inhabitantsofNorthAmerica.3．We'vecorresponded(通信)foryearsbutI'veneveractuallymethim.4．Iwenttocollege.Meanwhile/Meantime(与此同时),someofmyfriendsgotwellpaidjobs.5．Themayorpresented(颁发)himwithagoldmedalatanofficialcityreception.6．The20thcenturywitnessedthosebreakthroughs(突破)inscienceandtechnology.7．WhenIleftthehospitalIwascompletelycured(治愈)．8．Hedivedfromthebridgeandrescued(营救)thedrowningchild.9．Shewasinadilemma(困境，窘境)whethertostayatschoolorgetajob.10．She'salwaysbeenextremelyoutspoken(直言不讳的)inhercriticismofthemuseum'spolicy.Ⅱ.单句语法填空1．Althoughherrelativesdidn'tthinkshecouldliveforthreemonths,theolddoctorfinallycuredherofherdisease.2．OnarainydayIwasridingmybiketopickupmysonwhenaterribleaccidenthappenedahead.3．Thereareavarietyofanimalsranging(rang)fromrabbitstotigersinthepark,includingararespeciesofmonkey.4．Lost(lose)inreading,hedidn'tnoticesomeoneslideintotheroom.5．Ididn'tknowanybodyattheparty,butthehostesscametomyrescue.6．Afterthelongjourney,thethreeofthemwentbackhome,_tired(tire)．7．Hegaveawayallhismoneytocharities,whichearnedhimagoodreputation.8．Withoutyourhelp,Iwould_have_failed(fail)intheexamlastweek.Ⅲ.完成句子1．Wemusthelpto_cure_him_of_stealing.我们必须帮助他改掉偷窃的恶习。2．Wecouldn't_have_finished_the_work_on_timewithoutyourhelp.2要是没有你们的帮助，我们就不可能按时完成那项工作。3．Tomakesurethathe'sin,we'd_better_call_him_up_in_advance.为了确保他能在家，我们最好提前给他打个电话。4．Toourrelief,themissingchildreturnedhometendayslater,tired_but_healthy.让我们感到宽慰的是，那个丢失的小孩子十天后返回了家里，疲惫不堪却很健康。5．Hewasonthepointofleavingwhen_someone_knocked_at_the_door.他正要走，这时有人敲门。6．Oldfolksandchildrenareallagainsttheproposal,not_to_mentiontheyouth.老人和小孩都反对这个提议，更不用说年轻人了。Ⅳ.课文语法填空PIONEERSOFSCIENCEIfyouhadtochoosethesinglemostimportantdiscoveryofthe20thcentury,youwouldhavearealdilemmaonyourhands.Itispossible1.to_single(single)outafewpioneersofthe20thcentury.Oneofthe20thcentury'spremierscientists2.was(be)AlbertEinstein.Inthesummerof1905,thisoutspokenyoungmanwasrockinghisoneyearoldbaby3.whenhewassuddenlyinspired.“E＝mc2”wasborn.4.Using(use)themosthighpoweredtelescopeofthetime,EdwinHubblediscoveredsmallareasofmistwhichwereinfactgalaxieslikeourown.AlexanderFlemingsawabluemouldinthedisharound5.whichthebacteriahadbeendestroyed.Thisbluemouldwasinfactthenaturalformofpenicillin.DuringtheSecondWorldWar,theUSNavywaslookingforwaysof6.improving(improve)theaccuracyoftheirmissiles.ThenavyturnedtoEckert,an7.engineer(engine),andMauchly,aphysicist,towrestlewiththeproblemandproduce8.amachinewhichwastheworld'sfirstcomputertodothejob.Withoutthebreakthroughsofthesepioneers,theworld9.asweknowittodaywouldhavebeena10.completely(complete)differentplace.Ⅴ.串点成篇微表达玛丽做过很多不同的工作，从服务员到(rangefrom...to...)电脑程序编制员(programmer)。但这一次她对于这份新工作左右为难(inadilemmaabout...)。两天了，她还没有得到面试的结果(outcome)，在此期间(inthemeantime/meanwhile)她会继续努力工作。她确信她会成功。Mary_has_done_a_number_of_different_jobs,_ranging_from_waitress_to_programmer.But_this_time_she_is_in_a_dilemma_about_this_new_job.She_hasn't_got_the_outcome_of_the_job_interview_for_two_days,_and_in_the_meantime/meanwhile_she_contin3ues_to_work_hard.She_is_sure_that_she_will_succeed.二、勤练高考题型，多练自能生巧Ⅰ.阅读理解There'snewevidencethattoomuchscreentimeearlyinlifecanchangethecircuits(回路)inagrowingbrain.Scientistsdisagree,though,aboutwhetherthosechangesarehelpful,orjustcauseproblems.Thedebatecenteredonastudyofyoungmiceexposedtoavideogame.“Themiceshowedbigchangeseverywhereinthebrain，”saidresearcherRamirez.Onthepositiveside,itmeantthatthesemicewereabletostaycalminanenvironmentthatwouldhavestressedoutanormalmouse.Butitalsomeanttheyactedliketheyhadalackofattention,showedsignsoflearningproblems,andwerelikelytododangerousbehavior.Generally,theresultsaddtotheevidencethatparentsshouldbeverycautiousaboutscreentimeforyoungchildren,Ramirezsaid.AmorepositiveexplanationcamefromProfessorLeahKrubitzer.“Thebenefitsmaybemoreimportantthanthenegativesides，”Krubitzersaid,addingthatalesssensitivebrainmightsucceedinaworldwhereoverstimulation(过度刺激)isacommonproblem.It'struethatthissortofstimulationmaymakeachild'sbrainlesssensitiveinsomeways.Butitalsomaypreparethebrainforanincreasinglyfastpacedworld.“Lessthan300yearsagowehadanindustrialrevolutionandtodaywe'reusingmobilephonesandweinteract(互动)onaregularbasiswithmachines，”Krubitzersaid.“Sothebrainmusthavechanged.”Krubitzerrejectedtheideathatthebestsolutionistoturn_back_the_clock.“Youarelikelytothinkofthegoodolddayswhenyouwereakid,andsay,‘Ididn'tdothatandIdidn'thaveTVandlookhowgreatIturnedout，’”Krubitzersaid.BrainresearcherGinaTurrigianothinkslotsofscreentimemaybefineforsomeyoungbrains,butaproblemforothers.“Parentshavetoreallyrealizethefactthateachkidisgoingtorespondverydifferentlytothesamekindsofenvironments，”shesaid.语篇解读：本文是议论文。电子屏幕对孩子的大脑发育有损害，但同时也被这个高速发展的科技社会所需要。1．Whatdamagedidthescreentimecausetothemice?A．Theyhavedifficultyinfocusing.4B．Theyarenolongerafraidofdang