高一英语必修4课文原文21777Word格式文档下载.docx
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高一英语必修4课文原文21777Word格式文档下载.docx
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swayofstudyingchimps,ourgroupareallgoingtovisitthemintheforest.Janehasstudiedthesefamiliesofchimpsformanyyearsandhelpedpeopleunderstandhowmuchtheybehavelikehumans.Watchingafamilyofchimpswakeupisourfirstactivityoftheday.Thismeansgoingbacktotheplacewhereweleftthefamilysleepinginatreethenightbefore.Everybodysitsandwaitsintheshadeofthetreeswhilethefamilybeginstowakeupandmoveoff.Thenwefollowastheywanderintotheforest.Mostofthetime,chimpseitherfeedorcleaneachotherasawayofshowingloveintheirfamily.Janewarnsusthatourgroupisgoingtobeverytiredanddirtybytheafternoonandsheisright.However,theeveningmakesitallworthwhile.Wewatchthemotherchimpandherbabiesplayinthetree.Thenweseethemgotosleeptogetherintheirnestforthenight.Werealizethatthebondbetweenmembersofachimpfamilyisasstrongasinahumanfamily.
NobodybeforeJanefullyunderstoodchimpbehaviour.Shespentyearsobservingandrecordingtheirdailyactivities.Sinceherchildhoodshehadwantedtoworkwithanimalsintheirownenvironment.However,thiswasnoteasy.WhenshefirstarrivedinGombein1960,itwasunusualforawomantoliveintheforest.Onlyafterhermothercametohelpherforthefirstfewmonthswassheallowedtobeginherproject.Herworkchangedthewaypeoplethinkaboutchimps.Forexample,oneimportantthingshediscoveredwasthatchimpshuntandeatmeat.Untiltheneveryonehadthoughtchimpsateonlyfruitandnuts.Sheactuallyobservedchimpsasagrouphuntingamonkeyandtheneatingit.Shealsodiscoveredhowchimpscommunicatewitheachother,andherstudyoftheirbodylanguagehelpedherworkouttheirsocialsystem.
ForfortyyearsJaneGoodallhasbeenoutspokenaboutmakingtherestoftheworldunderstandandrespectthelifeoftheseanimals.Shehasarguedthatwildanimalsshouldbeleftinthewildandnotusedforentertainmentoradvertisements.Shehashelpedtosetupspecialplaceswheretheycanlivesafely.Sheisleadingabusylifebutshesays:
"
OnceIstop,itallcomescrowdinginandIrememberthechimpsinlaboratories.It'
sterrible.ItaffectsmewhenIwatchthewildchimps.Isaytomyself,'
Aren'
ttheylucky?
"
AndthenIthinkaboutsmallchimpsincagesthoughtheyhavedonenothingwrong.Onceyouhaveseenthatyoucanneverforget..."
Shehasachievedeverythingshewantedtodo:
workingwithanimalsintheirownenvironment,gainingadoctor'
sdegreeandshowingthatwomencanliveintheforestasmencan.Sheinspiresthosewhowanttocheertheachievementsofwomen.
WHYNOTCARRYONHERGOODWORK?
IenjoyedEnglish,biology,andchemistryatschool,butwhichoneshouldIchoosetostudyatuniversity?
IdidnotknowtheansweruntiloneeveningwhenIsatdownatthecomputertodosomeresearchongreatwomenofChina.
BychanceIcameacrossanarticleaboutadoctorcalledLinQiaozhi,aspecialistinwomen'
sdiseases.Shelivedfrom1901to1983.Itseemedthatshehadbeenverybusyinherchosencareer,travellingabroadtostudyaswellaswritingbooksandarticles.Oneofthemcaughtmyeye.Itwasasmallbookexplaininghowtocutthedeathratefromhavingandcaringforbabies.Shegavesomesimplerulestofollowforkeepingbabiesclean,healthyandfreefromsickness.Whydidshewritethat?
WhowerethewomenthatLinQiaozhithoughtneededthisadvice?
Ilookedcarefullyatthetextandrealizedthatitwasintendedforwomeninthecountryside.Perhapsiftheyhadanemergencytheycouldnotreachadoctor.
Suddenlyithitmehowdifficultitwasforawomantogetmedicaltrainingatthattime.Thatwasagenerationwhengirls'
educationwasalwaysplacedsecondtoboys'
.Wasshesomuchclevererthananyoneelse?
Furtherreadingmademerealizethatitwashardworkanddeterminationaswellashergentlenaturethatgotherintomedicalschool.Whatmadehersucceedlateronwasthekindnessandconsiderationsheshowedtoallherpatients.TherewasstoryafterstoryofhowLinQiaozhi,tiredafteraday'
swork,wentlateatnighttodeliverababyforapoorfamilywhocouldnotpayher.
BynowIcouldnotwaittofindoutmoreabouther.IdiscoveredthatLinQiaozhihaddevotedherwholelifetoherpatientsandhadchosennottohaveafamilyofherown.Insteadshemadesurethatabout50,000babiesweresafelydelivered.BythistimeIwasveryexcited.WhynotstudyatmedicalcollegelikeLinQiaozhiandcarryonhergoodwork?
Itwasstillnottoolateformetoimprovemystudies,preparefortheuniversityentranceexaminations,and….
必修4Unit2
APIONEERFORALLPEOPLE
AlthoughheisoneofChina'
smostfamousscientists,YuanLongpingconsidershimselfafarmer,forheworksthelandtodohisresearch.Indeed,hissunburntfaceandarmsandhisslim,strongbodyarejustlikethoseofmillionsofChinesefarmers,forwhomhehasstruggledforthepastfivedecades.DrYuanLongpinggrowswhatiscalledsuperhybridrice.In1974,hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.Nowmorethan60%ofthericeproducedinChinaeachyearisfromthishybridstrain.
Bornintoapoorfarmer'
sfamilyin1930,DrYuangraduatedfromSouthwestAgriculturalCollegein1953.Sincethen,findingwaystogrowmorericehasbeenhislifegoal.Asayoungman,hesawthegreatneedforincreasingthericeoutput.Atthattime,hungerwasadisturbingprobleminmanypartsofthecountryside.DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.In1950,Chinesefarmerscouldproduceonlyfiftymilliontonsofrice.Inarecentharvest,however,nearlytwohundredmilliontonsofricewasproduced.Theseincreasedharvestsmeanthat22%oftheworld'
speoplearefedfromjust7%ofthefarmlandinChina.DrYuanisnowcirculatinghisknowledgeinIndia,Vietnamandmanyotherlessdevelopedcountriestoincreasetheirriceharvests.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.
DrYuanisquitesatisfiedwithhislife.However,hedoesn'
tcareaboutbeingfamous.Hefeelsitgiveshimlessfreedomtodohisresearch.Hewouldmuchratherkeeptimeforhishobbles.Heenjoyslisteningtoviolinmusic,playingmah-jong,swimmingandreading.Spendingmoneyonhimselforleadingacomfortablelifealsomeansverylittletohim.Indeed,hebelievesthatapersonwithtoomuchmoneyhasmoreratherthanfewertroubles.Hethereforegivesmillionsofyuantoequipothersfortheirresearchinagriculture.
Justdreamingforthings,however,costsnothing.LongagoDryuanhadadreamaboutriceplantsastallassorghum.Eachearofricewasasbigasanearofcornandeachgrainofricewasashugeasapeanut.DrYuanawokefromhisdreamwiththehopeofproducingakindofricethatcouldfeedmorepeople.Now,manyyearslater,DrYuanhasanotherdream:
toexporthisricesothatitcanbegrownaroundtheglobe.Onedreamisnotalwaysenough,especiallyforapersonwholovesandcaresforhispeople.
CHEMICALORORGANICFARMING?
Overthepasthalfcentury,usingchemicalfertilizershasbecomeverycommoninfarming.Manyfarmerswelcomedthemasagreatwaytostopcropdiseaseandincreaseproduction.Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandand,evenmoredangerous,topeople'
shealth.
Whataresomeoftheproblemscausedbychemicalfertilizers?
First,theydamagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones.Chemicalsalsostayinthegroundandundergroundwaterforalongtime.Thisaffectscropsand,therefore,animalsandhumans,sincechemicalsgetinsidethecropsandcannotjustbewashedoff.Thesechemicalsinthefoodsupplybuildupinpeople'
sbodiesovertime.Manyofthesechemicalscanleadtocancerorotherillnesses.Inaddition,fruit,vegetablesandotherfoodgrownwithchemicalfertilizersusuallygrowtoofasttobefullofmuchnutrition.Theymaylookbeautiful,butinsidethereisusuallymorewaterthanvitaminsandminerals.
Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmingissimplyfarmingwithoutusinganychemicals.Theyfocusonkeepingtheirsoilrichandfreeofdisease.Ahealthysoilreducesdiseaseandhelpscropsgrowstrongandhealthy.Organicfarmers,therefore,oftenpreferusingnaturalwastefromanimalsasfertilizer.Theyfeelthatthismakesthesoilintheirfieldsricherinmineralsandsomorefertile.Thisalsokeepstheair,soil,waterandcropsfreefromchemicals.
Organicfarmersalsousemanyothermethodstokeepthesoilfertile.Theyoftenchangethekindofcropineachfieldeveryfewyears,forexample,growingcornorwheatandthenthenextyearpeasorsoybeans.Cropssuchaspeasorsoybeansputimportantmineralsbackintothesoil,makingitreadyforcropssuchaswheatorcornthatneedrichandfertilesoil.Organicfarmersalsoplantcropstousedifferentlevelsofsoil,forexample,plantingpeanutsthatusetheground'
ssurfacefollowedbyvegetablesthatputdowndeeproots.Someorganicfarmerspreferplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil,andthenleavingitinthegroundtobecomeanatura
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