英语必修四课文

1、必修四Unit1ASTUDENTOFAFRICANWILDLIFEItis5:45amandthesunisjustrisingoverGombeNationalParkinEastAfrica.FollowingJane'swayofstudyingchimps,ourgroupareallgoingtovisitthemintheforest.Janehasstudiedthesefamiliesofchimpsformanyyearsandhelpedpeopleunderstandhowmuchtheybehavelikehumans.Watchingafamilyofchimpswakeupisourfirstactivityoftheday.Thismeansgoingbacktotheplacewhereweleftthefamilysleepinginatreethenightbefore.Everybodysitsandwaitsintheshadeofthetreeswhilethefamilybeginstowakeupandmoveoff.Thenwefoll。

2、owastheywanderintotheforest.Mostofthetime,chimpseitherfeedorcleaneachotherasawayofshowingloveintheirfamily.Janewarnsusthatourgroupisgoingtobeverytiredanddirtybytheafternoonandsheisright.However,theeveningmakesitallworthwhile.Wewatchthemotherchimpandherbabiesplayinthetree.Thenweseethemgotosleeptogetherintheirnestforthenight.Werealizethatthebondbetweenmembersofachimpfamilyisasstrongasinahumanfamily.NobodybeforeJanefullyunderstoodchimpbehaviour.Shespentyearsobservingandrecordingtheirdailyactivities。

3、.Sinceherchildhoodshehadwantedtoworkwithanimalsintheirownenvironment.However,thiswasnoteasy.WhenshefirstarrivedinGombein1960,itwasunusualforawomantoliveintheforest.Onlyafterhermothercametohelpherforthefirstfewmonthswassheallowedtobeginherproject.Herworkchangedthewaypeoplethinkaboutchimps.Forexample,oneimportantthingshediscoveredwasthatchimpshuntandeatmeat.Untiltheneveryonehadthoughtchimpsateonlyfruitandnuts.Sheactuallyobservedchimpsasagrouphuntingamonkeyandtheneatingit.Shealsodiscoveredhowchimps。

4、communicatewitheachother,andherstudyoftheirbodylanguagehelpedherworkouttheirsocialsystem.ForfortyyearsJaneGoodallhasbeenoutspokenaboutmakingtherestoftheworldunderstandandrespectthelifeoftheseanimals.Shehasarguedthatwildanimalsshouldbeleftinthewildandnotusedforentertainmentoradvertisements.Shehashelpedtosetupspecialplaceswheretheycanlivesafely.Sheisleadingabusylifebutshesays:OnceIstop,itallcomescrowdinginandIrememberthechimpsinlaboratories.It'sterrible.ItaffectsmewhenIwatchthewildchimps.Isaytomys。

5、elf,'Aren'ttheylucky?AndthenIthinkaboutsmallchimpsincagesthoughtheyhavedonenothingwrong.Onceyouhaveseenthatyoucanneverforget...Shehasachievedeverythingshewantedtodo:workingwithanimalsintheirownenvironment,gainingadoctor'sdegreeandshowingthatwomencanliveintheforestasmencan.Sheinspiresthosewhowanttocheertheachievementsofwomen.Unit2APIONEERFORALLPEOPLEAlthoughheisoneofChina'smostfamousscientists,YuanLongpingconsidershimselfafarmer,forheworksthelandtodohisresearch.Indeed,hissunburntfaceandarmsandhis。

6、slim,strongbodyarejustlikethoseofmillionsofChinesefarmers,forwhomhehasstruggledforthepastfivedecades.DrYuanLongpinggrowswhatiscalledsuperhybridrice.In1974,hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.Nowmorethan60%ofthericeproducedinChinaeachyearisfromthishybridstrain.Bornintoapoorfarmer'sfamilyin1930,DrYuangraduatedfromSouthwestAgriculturalCollegein1953.Sincethen,findingwaystogrowmo。

7、rericehasbeenhislifegoal.Asayoungman,hesawthegreatneedforincreasingthericeoutput.Atthattime,hungerwasadisturbingprobleminmanypartsofthecountryside.DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.In1950,Chinesefarmerscouldproduceonlyfiftymilliontonsofrice.Inarecentharvest,however,nearlytwohundredmilliontonsofricewasproduced.Theseincreasedharvestsmeanthat22%oftheworld'speoplearefedfromjust7%ofthefarmlandinChina.DrYuanisnowcirculatinghisknowledgeinIndia,Vietnamandmanyo。

8、therlessdevelopedcountriestoincreasetheirriceharvests.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.DrYuanisquitesatisfiedwithhislife.However,hedoesn'tcareaboutbeingfamous.Hefeelsitgiveshimlessfreedomtodohisresearch.Hewouldmuchratherkeeptimeforhishobbles.Heenjoyslisteningtoviolinmusic,playingmah-jong,swimmingandreading.Spendingmoneyonhimselforleadingacomfortablelifealsomeansverylittletohim.Indeed,hebelieve。

9、sthatapersonwithtoomuchmoneyhasmoreratherthanfewertroubles.Hethereforegivesmillionsofyuantoequipothersfortheirresearchinagriculture.Justdreamingforthings,however,costsnothing.LongagoDryuanhadadreamaboutriceplantsastallassorghum.Eachearofricewasasbigasanearofcornandeachgrainofricewasashugeasapeanut.DrYuanawokefromhisdreamwiththehopeofproducingakindofricethatcouldfeedmorepeople.Now,manyyearslater,DrYuanhasanotherdream:toexporthisricesothatitcanbegrownaroundtheglobe.Onedreamisnotalwaysenough,especi。

10、allyforapersonwholovesandcaresforhispeople.Unit3AMASTEROFNONVERBALHUMOURAsVictorHugooncesaid,Laughteristhesunthatdriveswinterfromthehumanface,anduptonownobodyhasbeenabletodothisbetterthanCharlieChaplin.HebrightenedthelivesofAmericansandBritishthroughtwoworldwarsandthehardyearsinbetween.Hemadepeoplelaughatatimewhentheyfeltdepressed,sotheycouldfeelmorecontentwiththeirlives.NotthatCharlie'sownlifewaseasy!Hewasborninapoorfamilyin1889.Hisparentswerebothpoormusichallperformers.Youmayfinditastonishingth。