PAGE1-課時作業4Unit2SectionⅡReadingandThinkingⅠ.單句語法填空1．Atpresentapublicbicycleisrentedandreturnedfourtimesaday________average.2．Iwasvery________tohearthe________newsthatanotherearthquakehadhithishometown.(alarm)3．Toachieveharmonybetweenhumansandanimals,theworldmustprotectthesebeautiful________.(creature)．4．Thisbook________(intend)forbeginners,andisnowverypopularinChina.5．Naturereserveshaveprotectedmany________(endanger)animalsfromdyingout.6．Hehadhisbadtooth________(remove)yesterday,sohecan'teatanythingtoday.7．People________(remind)thatnosmokingisallowedinthesepatientrooms.8．What'smore,somethingshouldbedonetoraisepeople's________(aware)ofprotectinganimals.9．That's________IthinkthetripalongtheYangtzeRiverisabetterchoice.10．Asisknowntous,thePeople'sRepublicofChinacameinto________(exist)asanindependentcountryin1949.Ⅱ.閱讀理解AAnimalConservationManyanimalandplantspecieshavebecomeextinctandmanymoreareingreatdanger.Findingwaystoprotecttheearth'swildlifeandconserve(愛護)thenaturalworldisnowmoreimportantthanever.TheDodoThedodoisaclassicexampleofhowhumancauseddamagetotheearth'screatures.TheflightlessdodowasnativetotheIslandofMauritiusintheIndianOcean.Itlivedonfruitsfallenfromtheisland'streesandlivedfreelyuntilhumansarrivedin1505.Theeasilycontrolledbirdbecameasourceoffoodforsailorsandwasattackedbyanimalsintroducedtotheislandbyhumanssuchaspigs,monkeysandrats.Thepopulationofdodosrapidlydecreasedandthelastonewaskilledin1681.RhinosTherhinohornisahighlyprizeditemforAsianmedicine.Thishasledtotheanimalbeinghuntedinitsnaturalhabitat.OncewidespreadinAfricaandEurasia,mostrhinosnowliveinprotectednatureparksandreserves.Theirnumberhasrapidlydecreasedinthelast50years,andrhinosarestillunderconstantthreatfrompoachers(偷獵者)．TheGiantPandaThefutureoftheWorldWildFundForNature'ssymbolisfarfromcertain.Onlyafewexistinthewild.TheChinesegovernmenthassetuppandareservestoprotectthesebeautifulanimalsandmadethecrimeofpoachingthempunishablewith20yearsinprison.However,thepanda'sfurissoldatahighpriceintheblackmarketandpoachersareoneofthemostseriousthreatstotheanimal'sexistence.TigersThelast100yearshasseena95%decreaseinthenumberofremainingtigerstobetween5,000and7,000andtheBali,Javan,andCaspiantigersarealreadyextinct.TheSouthChinatigerisclosetodisappearing.Liketherhinohorn,tigers'bonesandorgansaresoughtafter(找尋)fortraditionalChinesemedicines.Theseitemsaretradedillegallyalongwithtigerskins.1．Whatcanwelearnfromthetext?A．Thedodolackedtheabilitytoprotectitselffromotheranimals.B．SailorstotheIslandofC．Thedodousedtobeastronganimalthatlikedfighting.D．Thedodo,pigs,monkeysandratswerethenativestotheIslandof2．Whichgroupofthefollowinganimalshasalreadybecomeextinctaccordingtothetext?A．Thedodo,rhinoandtheGiantPanda.B．Therhino,dodoandtheSouthChinatiger.C．Therhino,pandaandtiger.D．ThedodoandtheBali,Javan,andCaspiantigers.3．Whatcanserveasacureforcertaindiseases?A．Therhino'sbones.B．Thepanda'sfur.C．Thetigers'bonesandorgans.D．Thedodo'sdeliciousmeat.4．Whichofthefollowingstatementsistrue?A．ThenumberofSouthChinatigershasnotreachedcrisispoint.B．Manyanimalsarethreatenedwithextinctionasaresultofweatherchange.C．Peoplehuntfortheendangeredanimalsforeating.D．ThepandaistherepresentingimagefortheWorldWildFundForNature.BWhatdoyouusuallydowhenaflyinginsectlandsonyourarm?Mostlikelyyoublowitaway.Butwhatifthatbugwerealadybug(瓢蟲)?Thenchancesareyouwouldletitstay.Whatisitaboutladybugsthatwelike?Farmersoncethoughtladybugswereagoodlucksign.Aladybuginthefieldmeantthatthecrops(莊稼)wouldbesuccessfulandtheweatherwouldbegood.Thefarmersmayhavebeenexaggerating(夸大)aboutwhataverysmallbugcando,butinfactladybugsdohelpoutwiththecrops.Theyeatharmfulinsects.Actually,itisnottheadultladybugthateatstheotherinsects.It'stheladybuglarvae(幼蟲).Ladybugslaytheireggsonleavesthatarecoveredwithaphidsorotherinsects.Whenthelarvaecomeoutoftheeggs,theyareveryhungryandwilleatmites,aphids,mealybugs,greenflies,andothercrop-destroyers.Asingleladybuglarvacaneatover1,000aphidsinoneday.Inthe1800s,ladybugswerebroughtallthewayfromAustraliatoCaliforniaandsetfreeamongorangetreesthatweredyingfrombeingeatenbyinsects.Thelittleredandblack“eatingmachines”completelysavedallthetrees.Ladybugsgoabouttheirdailybusinesswithoutworryingmuchaboutanything.Veryfewbirdsorinsectswilleataladybugbecauseitgivesoffsomethingthatisdangeroustoeat.Ladybugsalsoprotectthemselvesbyplayingdead.Theyfalloffleavesandremainverystilluntiltheirenemygoesaway.Sonexttimeyouseealadybug,thinkaboutwhatitmaybeupto.Maybeitisofftosaveanorangetree.Maybeitsnextmovewillbetofalloffaleafandplaydeadorstand_up_toabirdabout100timesitssize.Maybeit'slettingyouknowthattheweatherwillbegoodtomorrow.Whoknows?Ladybugsarespecialthatway.5．Whatdoweknowaboutmitesandaphids?A．Theydoharmtothecrops.B．Theyeatmorethantheyshould.C．Theyarefoodforadultladybugs.D．Theyaretheenemyofladybuglarvae.6．WhywereladybugsbroughtfromAustraliatoCaliforniainthe1800s?A．Toreporttheweatherforfarmers.B．Toincreasetheirnumber.C．Todoresearchonthem.D．Tosaveorangetrees.7．Whatdoestheunderlinedpart“standupto”inthelastparagraphprobablymean?A．Playwith.B．Worryabout.C．Getalongwith.D．Fightbackagainst.8．Whatdoestheauthorthinkoftheladybug?A．Itisacrop-destroyer.B．Itisagoodlucksign.C．Itisalittleflyinghelper.D．Itisabigeatingmachine.Ⅲ.閱讀七選五Formany,runninghasneverbeentheirfavoriteactivity.Butrunningcancertainlybeagreatwaytogetfitandstayhealthy.Gettingstartedisdifficult.__1__Runningcanbeboringattimes,buttheeffectonyourbodyandmindiswellworththatstruggleofjustgettingupandrunning.__2__Everymajorcityandmanysmallercitieshaverunningcommunities.Theyarequiteorganizedandwillingtohelp.Theywillhelpyouseeyourrunninggoalsthrough.Startwithshortdistances.Thoughtherunningcommunitywouldlovetohaveanewlong-distancerunnertomorrow,thefactisthatthatwillnothappenovernight.Tryrunningonemileeverydayforthenext3weeks.Afterthat,addittotwomilesandsoon.__3__Takepartinarace.Bysigningupforaraceinthenearfuture,youwillfocusonagoalandbemotivated(激勵)tokeeppracticingforthatevent.Isuggestsigningupfora5-kilometerracethatwilltakeplacewithinonemonth.__4____5__Motivationisamajorfactorinrunningsuccess.Afriendhelpstopushyouthroughthetimesandmotivateyouinhisownway.A．Joinagroup.B．Onestepatatime.C．Bringafriendalong.D．Mostofyouwillhavenoproblemfindingagreatrace.E．Shorterdistancesareasteptolongerandmoresuccessfulruns.F．Therearesomanyactivitiespeoplewouldratherbedoingthanrunning.G．Youwillgetthechancetoseetheseasonalchangeandbreatheinfreshair.課時作業4Ⅰ.單句語法填空1．on2.alarmedalarming3.creatures4.isintended5．endangered6.removed7.arereminded8.awareness9．why10.existenceⅡ.閱讀理解A【語篇解讀】這是一篇說明文。文章介紹了四種比較典型的已經滅亡的和面臨滅亡的動物。文章對于每一種動物的數量、所處的危急以及危急產生的緣由等方面進行了介紹，使讀者感受到愛護珍稀動物的緊迫性。1．答案與解析：A推理推斷題。依據TheDodo部分中的“flightless”“livedonfruitsfallenfromtheisland'strees”和“Theeasilycontrolledbird”等可推想出，渡渡鳥缺少愛護自己的實力。2．答案與解析：D細微環節理解題。依據TheDodo部分中的“Thepopulationofdodosrapidlydecreasedandthelastonewaskilledin1681”可推斷，渡渡鳥已經滅亡了，再依據Tigers部分中的“theBali，Javan，andCaspiantigersarealreadyextinct”可知，這三種老虎已經滅亡。3．答案與解析：C細微環節理解題。依據Rhinos部分中的“TherhinohornisahighlyprizeditemforAsianmedicine”和Tigers部分中的“Liketherhinohorn,tigers'bonesandorgansaresoughtafter(找尋)fortraditionalChinesemedicines”可知，犀牛角和老虎的骨頭及器官都有很高的藥用價值。4．答案與解析：D推理推斷題。依據TheGiantPanda部分中的“ThefutureoftheWorldWildFundForNature'ssymbolisfarfromcertain”可知，“世界自然基金會