最新人教版 英语 必修四 课文 电子版.docx
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最新人教版 英语 必修四 课文 电子版.docx
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最新人教版英语必修四课文电子版
Unit1Womenofachievement
Reading
ASTUDENTOFAFRICANWILDLIFE
Itis5:
45amandthesunisjustrisingoverGombeNationalParkinEastAfrica.FollowingJane’swayofstudyingchimps,ourgroupareallgoingtovisitthemintheforest.Janehasstudiedthesefamiliesofchimpsformanyyearsandhelpedpeopleunderstandhowmuchtheybehavelikehumans.Watchingafamilyofchimpswakeupisourfirstactivityoftheday.Thismeansgoingbacktotheplacewhereweleftthefamilysleepinginatreethenightbefore.Everybodysitsandwaitsintheshadeofthetreeswhilethefamilybeingstowakeupandmoveoff.Thenwefollowastheywanderintotheforest.Mostofthetime,chimpseitherfeedorcleaneachotherasawayofshowingloveintheirfamily.Janewarnsusthatourgroupisgoingtobeverytiredanddirtybytheafternoonandsheisright.However,theeveningmakesitallworthwhile.Wewatchthemotherchimpandherbabiesplayinthetree.Themweseethemgotosleeptogetherintheirnestforthenight.Werealizethatthebondbetweenmembersofachimpfamilyisaslongasinahumanfamily.
NobodybeforeJanefullyunderstoodchimpbehaviour.Shespentyearsobservingandrecordingtheirdailyactivities.Sinceherchildhoodshehadwantedtoworkwithanimalsintheirownenvironment.However,thiswasnoteasy.WhenshefirstarrivedinGombein1960,itwasunusualforawomantoliveintheforest.Onlyafterhermothercametohelpherforthefirstfewmonthswassheallowedtobeginherproject.Herworkchangedthewaypeoplethinkaboutchimps.Forexample,oneimportantthingshediscoveredwasthatchimpshuntandeatmeat.Untiltheneveryonehadthoughtchimpsateonlyfruitandnuts.Sheactuallyobservedchimpsasagrouphuntingamonkeyandtheneatingit.Shealsodiscoveredhowchimpscommunicatewitheachother,andherstudyoftheirbodylanguagehelpedherworkouttheirsocialsystem.
FourfortyyearsJaneGoodallhasbeenoutspokenaboutmakingtherestoftheworldunderstandandrespectthelifeoftheseanimals.Shehasarguedthatwildanimalsshouldbeleftinthewildandnotusedforentertainmentoradvertisements.Shehashelpedtosetupspecialplaceswheretheycanlivesafely.Sheisleadingabusylifebutshesays:
“OnceIstop,itallcomescrowdinginandIrememberthechimpsinlaboratories.It’sterrible.ItaffectsmewhenIwatchthewildchimps.Isaytomyself,‘Aren’ttheyluck?
’AndthenIthinkaboutsmallchimpsincagesthoughtheyhavedonenothingwrong.Onceyouhaveseenthatyoucanneverforget…”
Shehasachievedeverythingshewantedtodo:
workingwithanimalsintheirownenvironment,gainingadoctor’sdegreeandshowingthatwomencanliveintheforestasmencan.Sheinspiresthosewhowanttocheertheachievementofwomen.
Usinglanguage
WHYNOTCARRYONHERGOODWORD?
IenjoyedEnglish,biology,andchemistryatschool,butwhichoneshouldIchoosetostudyatuniversity?
IdidnotknowtheansweruntiloneeveningwhenIsatdownatthecomputertodosomeresearchongreatwomenofChina.
BychanceIcameacrossanarticleaboutadoctorcalledLinQiaozhi,aspecialistinwomen’sdiseases.Shelivedfrom1901to1983.Itseemedthatshehadbeenverybusyinherchosencareer,travelingabroadtostudyaswellaswritingbooksandarticles.Oneofthemcaughtmyeye.Iwasasmallbookexplaininghowtocutthedeathratefromhavingandcaringforbabies.Shegavesomesimplerulestofollowforkeepingbabiesclean,healthyandfreefromsickness.Whydidshewritethat?
WhowerethewomenthatLinQiaozhithoughtneededthisadvice?
Ilookedcarefullyatthetextandrealizedthatitwasintendedforwomeninthecountryside.Perhapsiftheyhadanemergencytheycouldnotreachadoctor.
Suddenlyithitmehowdifficultitwasforawomantogetmedicaltrainingatthattime.Thatwasagenerationwhengirl’seducationwasalwaysplacedsecondtoboys’.Wasshesomuchclevererthananyoneelse?
Furtherreadingmademerealizethatitwashardworkanddeterminationaswellashergentlenaturethatgotherintomedicalschool.Whatmadehersucceedlateronwasthekindnessandconsiderationsheshowedtoallherpatients.TherewasstoryafterstoryofhowLinQiaozhi,tiredafteraday’swork,wentlateatnighttodeliverababyforapoorfamilywhocouldnotpayher.
BynowIcouldnotwaittofindoutmoreabouther.IdiscoveredthatLinQiaozhihaddevotedherwholdlifetoherpatientsandhadchosennottohaveafamilyofherown.Insteadshemadesurethatabout50,000babiesweresafelydelivered.BythistimeIwasveryexcited.WhynotstudyatmedicalcollegelikeLinQiaozhiandcarryonhergoodwork?
Itwasstillnottoolateformetoimprovemystudies,preparefortheuniversityentranceexaminations,and…
Unit2Workingtheland
APILNEERFORALLPEOPLE
AlthoughheisoneofChina’smostfamousscientists,YuanLongpingconsidershimselfafarmer,forheworksthelandtodohisresearch.Indeed,hissunburntfaceandarmsandhisslim,strongbodyarejustlikethoseofmillionsofChinesefarmers,forwhomhehasstruggledforthepastfivedecades.DrYuanLongpinggrowswhatiscalledsuperhybridrice.In1974,hebecamethefirstagriculturalpioneerintheworldtogrowrichthathasahighoutput.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.Nowmorethan60%ofthericeproducedinChinaeachyearisfromthishybridstrain.
Bornin1930,DrYuangraduatedfromSouthwestAgriculturalCollegein1953.Sincethen,findingwaystogrowmorericehasbeenhislifegoal.Asayoungman,hesawthegreatneedforincreasingthericeoutput.Atthattime,hungerwasadisturbingprobleminmanypartsofthecountryside.DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.In1950,Chinesefarmerscouldproduceonlyfiftymilliontonsofrice.Inarecentharvest,however,nearlytwohundredmilliontonsofricewasproduced.Theseincreasedharvestsmeanthat22%fotheworld’speoplearefedfromjust7%ofthefarmlandinChina.DrYuanisnowcirculatinghisknowledgeinIndia,Vietnamandmanyotherlessdevelopedcountriestoincreasetheirriceharvests.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.
DrYuanisquitesatisfiedwithhislife.However,hedoesn’tcareaboutbeingfamous.Hefeelsitgiveshimlessfreedomtodohisresearch.Hewouldmuchratherkeeptimeforhishobbies.Heenjoyslisteningtoviolinmusic,playingmah-jong,swimmingandreading.Spendingmoneyonhimselforleadingacomfortablelifealsomeansverylittletohim.Indeed,hebelievesthatapersonwithtoomuchmoneyhasmoreratherthanfewertroubles.Hethereforegivesmillionsofyuantoequipothersfortheirresearchinagriculture.
Justdreamingforthings,however,costsnothing.LongagoDrYuanhadadreamaboutriceplantsastallasapeanut.DrYuanawokefromhisdreamwiththehopeofproducingakindofricethatcouldfeedmorepeople.Now,manyyearslater,DrYuanhasanotherdream:
toexporthisricesothatitcanbegrownaroundtheglobe.Onedreamisnotalwaysenough,especiallyforapersonwholovesandcaresforhispeople.
UsingLanguage
CHEMICALORORGANICFARMING?
Overthepasthalfcentury,usingchemicalfertilizershasbecomeverycommoninfarming.Manyfarmerswelcomedthemasagreatwaytostopcropdiseaseandincreaseproduction.Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandand,evenmoredangerous,topeople’shealth.
Whataresomeoftheproblemscausedbychemicalfertilizers?
First,theydamagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones.Chemicalsalsostayinthegroundandundergroundwaterforalingtime.Thisaffectscropsand,therefore,animalsandhumans,sincechemicalsgetinsidethecropsandcannotjustbewashedoff.Thesechemicalsinthefoodsupplybuildupinpeople’sbodiesovertime.Manyofthesechemicalscanleadtocancerorotherillnesses.Inaddition,fruit,vegetablesandotherfoodgrownwithchemicalfertilizersusuallygrowtoofasttobefullofmuchnutrition.Theymaylookbeautiful,butinsidethereisusuallymorewaterthanvitaminsandminerals.
Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmingissimplyfarmingwithoutusinganychemicals.Theyfocusonkeepingtheirsoilrichandfreeofdisease.Ahealthysoilreducesdiseaseandhelpscropsgrowstrongandhealthy.Organicfarmers,therefore,oftenpreferusingnaturalwastefromanimalsasfertilizer.Theyfeelthatthismakesthesoilintheirfieldsricherinmineralsandsomorefertile.Thisalsokeepstheair,waterandcropsfreefromchemicals.
Organicfarmersalsousemanyothermethodstokeepthesoilfertile.Theyoftenchangethekindofcropineachfieldeveryfewyears,forexample,growingcornorwheatandthenthenextyearpeasorsoybeans.Cropssuchaspeasorsoybeansputimportantmineralsbackintothesoil,makingitreadyforcropssuchaswheatorcornthatneedrichandfertilesoil.Organicfarmersalsoplantcropstousedifferentlevelsofsoil,forexample,plantingpeanutsthatusetheground’ssurfacefollowedbyvegetablesthatputdowndeeproots.Someorganicfarmerspreferplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil,andthenleavingitinthegroundtobecomeanaturalfertilizerforthenextyear’scrop.Thesemanydifferentorganic
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