2019年英語新外研必修四講義Module4SectionⅠIntroductionReading-Pre-reading

ItseemedthatAlbertEinsteinhadchangedthewholebusiness.Infact,hedidnotinventthe“thoughtexperiment”，butheraisedittohighart.Imaginetwins,wearingidentical(完全相同的)watches;onestayshome,whiletheotherridesinaspaceshipnearthespeedoflight...littlewonderthatfrom1919,Einsteinwas,andremainstoday,theworld'smostfamousscientist.InhisnativeGermanyhebecameatarget(目標(biāo)；指標(biāo))forhatred(仇恨，厭惡)becausehewasaJew,aliberal(自由主義者),ahumanist,aninternationalist.Hispowerfulvoicelaterwaswidelyheard,especiallyafterhemovedtotheUS.Meanwhile,likeanyfamouspeople,hemadebitsoflegend:thathefailedmathinschool(nottrue).Thatheopenedabookandfoundanuncashed$1,500checkhehadleftasabookmark(maybehewasabsent-mindedabouteverydayaffairs)．Thathewascarelessaboutsocks,collars,slippers...thathecouldn'tevenrememberhisaddress:112MercerStreetinPrinceton,wherehefinallysettled(定居).Hediedtherein1955.AndaftertherestofEinsteinhadbeencremated(火化),hisbrainremainedforfurtherresearch.ThankstoEinstein,wesaidgoodbyetoaprior(優(yōu)先的)universeandaprevious(先前的)God.Einstein'sGodwasnoclockmaker,buttheembodiment(化身)ofreasoninnature.ThisGoddidnotcontrolouractionsorevensitinjudgmentonthem.Physicsisfree,andwetooarefree,intheEinsteinuniversewhichiswherewelive.Section_ⅠIntroduction_&_Reading_—_Pre-readingeq\a\vs4\al([原文呈現(xiàn)])TheStudentWhoAskedQuestionsInahungryworldriceisastaple①foodandChinaistheworld'slargestproducer②.Riceisalsogrown③inmanyotherAsiancountries,andinsomeEuropeancountrieslikeItaly.Intherice-growingworld,theChinesescientist,YuanLongping,isaleadingfigure④.YuanLongpingwasbornandbroughtup⑤inChina.Asaboy⑥hewaseducated⑦inmanyschoolsandwasgiventhenickname⑧，“thestudentwhoasksquestions⑨”．Fromanearlyagehewasinterestedineq\o(○,\s\up1(10))plants.Hestudiedagriculture?incollegeandasayoungteacherhebeganexperimentsin?cropbreeding?.Hethoughtthatthekeyto?feedingpeoplewastohavemorericeandtoproduceitmorequickly.Hethoughttherewasonlyonewaytodo?this—bycrossing?differentspecies?ofriceplant,andthenhecouldproduceanewplant?whichcouldgiveahigheryield?thaneitheroftheoriginal?plants.,eq\a\vs4\al([讀文清障])①staple/'steIpl/adj.主要的；重要的②producer/pr?'dju?s?/n.生產(chǎn)者③growv．(grew,grown)生長；成長④leading/'li?dI?/adj.主要的figure/'fIɡ?/n.人物aleadingfigure一位杰出人士⑤bringup培養(yǎng)；養(yǎng)育⑥as是介詞，asaboy相當(dāng)于時間狀語從句Whenhewasaboy。⑦educate/'edj??keIt/vt.教育⑧nickname/'nIk?neIm/n.綽號⑨who引導(dǎo)限制性定語從句，修飾先行詞thestudent。⑩beinterestedin對……感興趣takeaninterestin對……產(chǎn)生興趣?agriculture/'?ɡrI?k?lt??/n.農(nóng)業(yè)?beginexperimentsin在……方面開始實驗?breeding/'bri?dI?/n.培育?thekeyto……的關(guān)鍵(to為介詞，其后接名詞、代詞或動名詞)?onewaytodo...一種做……的方法修飾way時可以用動詞不定式todo...或ofdoing...?bycrossing...通過雜交……?species/'spi??i?z/n.(動物或植物的)種該詞同means,series等一樣，單復(fù)數(shù)同形。?which引導(dǎo)限制性定語從句，修飾先行詞anewplant,且在從句中作主語。?yield/ji?ld/n.產(chǎn)量?original/?'rId?Inl/adj.原來的；最初的問問題的學(xué)生[第1～3段譯文]在全球糧食短缺的情況下，水稻是主要糧食，而中國是世界上最大的水稻產(chǎn)地。亞洲其他許多國家和一些歐洲國家比如意大利等也種植水稻。在水稻種植領(lǐng)域，中國科學(xué)家袁隆平是一位杰出人士。袁隆平在中國出生并長大。他小時候在很多學(xué)校接受過教育，并被人們?nèi)×藗€綽號為“問問題的學(xué)生”。袁隆平從小就對植物感興趣。他在大學(xué)里研究農(nóng)學(xué)，作為一名年輕的教師，他開始了作物育種方面的實驗。他認(rèn)為，解決人們吃飯問題的關(guān)鍵在于擁有更多的稻米，并且能更快地生產(chǎn)出來。他想只有一種方法可以做這件事——通過雜交不同品種的水稻，然后他可以培育出一種新的水稻，這種水稻可以比原先的任何一種產(chǎn)量更高。FirstYuanLongpingexperimentedwitheq\o(○,\s\up1(21))differenttypesofrice.Theresultsofhisexperimentswerepublishedeq\o(○,\s\up1(22))inChinain1966.Thenhebeganhissearcheq\o(○,\s\up1(23))foraspecialtypeofriceplant.Ithadtobemale.Ithadtobesterileeq\o(○,\s\up1(24)).Finally,in1970anaturallysterilemalericeplantwasdiscovered.Thiswasthebreakthrougheq\o(○,\s\up1(25)).Researcherswerebroughtineq\o(○,\s\up1(26))fromalloverChinaeq\o(○,\s\up1(27))todevelopthenewsystem.Theresearchwassupportedeq\o(○,\s\up1(28))bythegovernment.Asaresultofeq\o(○,\s\up1(29))YuanLongping'sdiscoveriesChinesericeproductioneq\o(○,\s\up1(30))rosebyeq\o(○,\s\up1(31))47.5percentinthe1990's.Therewereotheradvantageseq\o(○,\s\up1(32))too.50thousandsquarekilometreseq\o(○,\s\up1(33))ofricefieldswereconvertedeq\o(○,\s\up1(34))togrowingvegetablesandothercashcropseq\o(○,\s\up1(35)).Followingthiseq\o(○,\s\up1(36))，YuanLongping'sricewasexportedeq\o(○,\s\up1(37))toothercountries,suchasPakistanandthePhilippines.InPakistanriceisthesecondmostimportanteq\o(○,\s\up1(38))cropafterwheatandwillbegrowninmanypartsofthecountry.Thenewhybrideq\o(○,\s\up1(39))ricehasbeendevelopedbytheYuanLongpingHigh-techAgriculturaleq\o(○,\s\up1(40))CompanyofChina.ItsyieldismuchgreaterthantheyieldofothertypesofricegrowninPakistaneq\o(○,\s\up1(41)).eq\o(○,\s\up1(21))experimentwith用……做實驗此處experiment用作動詞。eq\o(○,\s\up1(22))publish/'p?blI?/vt.出版comeout出版，是不及物動詞短語，不能用于被動語態(tài)。eq\o(○,\s\up1(23))search在此處用作名詞，后接介詞for。eq\o(○,\s\up1(24))sterile/'steraIl/adj.(指生物)不孕育的；不結(jié)果實的eq\o(○,\s\up1(25))breakthrough/'breIkθru?/n.突破make/haveabreakthrough取得突破eq\o(○,\s\up1(26))bringinsb.使某人參加eq\o(○,\s\up1(27))fromalloverChina來自全中國eq\o(○,\s\up1(28))support/s?'p??t/vt.支持besupportedby由……支持、贊助eq\o(○,\s\up1(29))asaresultof由于……的結(jié)果eq\o(○,\s\up1(30))production/pr?'d?k?n/n.產(chǎn)量eq\o(○,\s\up1(31))riseby增長了(多少)eq\o(○,\s\up1(32))advantagen．優(yōu)點；優(yōu)勢eq\o(○,\s\up1(33))squarekilometre平方千米eq\o(○,\s\up1(34))convert/k?n'v??t/vt.改變；轉(zhuǎn)換beconvertedto被轉(zhuǎn)換為，to為介詞。eq\o(○,\s\up1(35))cashcropn．經(jīng)濟(jì)作物eq\o(○,\s\up1(36))following可視為介詞，表示“在……以后；由于”。eq\o(○,\s\up1(37))export/Ik'sp??t/vt.出口beexportedto被出口到(國家)eq\o(○,\s\up1(38))thesecondmostimportant第二重要的eq\o(○,\s\up1(39))hybrid/'haIbrId/n.雜交種eq\o(○,\s\up1(40))agricultural/??ɡrI'k?lt?r?l/adj.農(nóng)業(yè)的eq\o(○,\s\up1(41))過去分詞短語作后置定語，修飾othertypesofrice。注意句中還運(yùn)用了much修飾greater。[第4～6段譯文]首先，袁隆平對不同品種的水稻進(jìn)行實驗。1966年，他的實驗結(jié)果在中國發(fā)表了。接著，他開始尋找一種特殊的稻種。這種稻種必須是雄性且不結(jié)果的。終于在1970年，一種天然的雄性不育稻種被發(fā)現(xiàn)。這是一個突破。中國各地的研究者們被召集在一起開發(fā)新的水稻品種。這項研究得到了政府的支持。由于袁隆平的發(fā)現(xiàn)，中國的水稻產(chǎn)量在20世紀(jì)90年代增長了47.5%。這一發(fā)現(xiàn)還帶來了其他的好處。5萬平方千米的稻田被改為種植蔬菜和其他經(jīng)濟(jì)作物。在這之后，袁隆平研制的水稻還出口到巴基斯坦和菲律賓等其他國家。在巴基斯坦，水稻是繼小麥之后第二重要的作物并將在這個國家的許多地方種植。中國袁隆平高科技農(nóng)業(yè)公司已培育出新的雜交水稻。它的產(chǎn)量比巴基斯坦種植的其他類型的水稻要高很多。Pre-readingPleasematchthewordswiththeirpropermeanings.1．figureA．vt.教育2．educateB．vt.出版3．publishC．n.人物4．breakthrough D．n.產(chǎn)量5．supportE．n.質(zhì)量6．productionF．vt.取代；以……代替7．exportG．n.突破8．replaceH．vt.支持9．qualityI．vt.出口10．leadingJ．n.數(shù)量11．biologyK．a(chǎn)dj.主要的12．quantityL．n.生物學(xué)1～5__________6～10__________11～12________答案：1～5CABGH6～10DIFEK11～12LJLead-inMatchthescientistswiththeirmainachievements.1．QianXuesenA．TheoryofRelativity2．MarieCurieB．FatherofChina'sAerospace3．ArchimedesC．TheDiscoveryofRadium4．AlbertEinstein D．FatherofIntegralCalculus5．StephenHawkingE．ABriefHistoryofTime1～5____________答案：1～5BCDAEWhile-readingFast-readingReadthepassagefastandmatchtheparagraphswiththeirgeneralideas.1．Para.1A．TheadvantagesandpositiveeffectsofYuanLongping'sdiscoveries.2．Para.2B．HowYuanLongpingsucceededinproducinganewplantgivingahigheryield.3．Para.3－44．Para.5－6D．YuanLongpingisaleadingfigureintherice-growingworld.1～4____________答案：1～4DCBACareful-reading(Ⅰ)True(T)orFalse(F)．1．Chinaistheworld'ssecondlargestproducerofrice.__F__2．YuanLongpingbeganexperimentsincropbreedingwhenhewasatcollege.__F__3．YuanLongpingmanagedtoproducemorericequicklybyplantingmorerice.__F__4．YuanLongping'sricehasbeenintroducedtothePhilippines.__T__5．YuanLongpinghasmadegreatcontributionsintherice-growingworld.__T__(Ⅱ)Choosethebestanswersaccordingtothepassage.1．YuanLongping________.A．isaleadingscientistinindustryB．wasbornandbroughtupinChinaC．waseducatedinafamousschoolformanyyearsD．wasgivenanicknamebecausehewasverynaughty2．WhywasYuangiventhenickname“thestudentwhoasksquestions”？A．Becausehewasstupid.B．Becausehedidnotlearnwellintheclass.C．Becausehewascuriousaboutthelessonsandwantedtolearnmore.D．Becausehelearnedmorequestions.3．TheonlywaythatYuanLongpingthoughttoproducemorericequicklywas________.A．tobeinterestedinplantsB．tostudyagricultureincollegeC．tobeginexperimentsincropbreedingD．tocrossdifferentspeciesofriceplant4．AsaresultofYuanLongping'sdiscoveries,________.A．ChinesericeproductiondoubledB．morecashcropsandmorevegetablesareplantedC．fewforeigncountriesliketoplantthericeanymoreD．ricebecomesthemostimportantcropinPakistan5．Whatisthemainideaofthispassage?A．YuanLongpingisaleadingfigure.B．Anewplanthasbeenproduced.C．YuanLongping'scontributionstotherice-growingworld.D．TheadvantagesofYuanLongping'sdiscoveries.答案：1～5BCDBCStudy-readingAnalyzethefollowingdifficultsentencesinthetext.1．Asaboyhewaseducatedinmanyschoolsandwasgiventhenickname,“thestudentwhoasksquestions”．[句式分析][嘗試翻譯]他小時候在很多學(xué)校接受過教育，并被人們?nèi)×藗€綽號為“問問題的學(xué)生”。2．Hethoughtthatthekeytofeedingpeoplewastohavemorericeandtoproduceitmorequickly.[句式分析]that引導(dǎo)賓語從句，作thought的賓語。從句的主語為thekey，tofeedingpeople為thekey的定語，tohavemorericeandtoproduceitmorequickly為不定式作表語。[嘗試翻譯]他認(rèn)為，解決人們吃飯問題的關(guān)鍵在于擁有更多的稻米，并且能更快地生產(chǎn)出來。3．Hethoughttherewasonlyonewaytodothis—bycrossingdifferentspeciesofriceplant,andthenhecouldproduceanewplantwhichcouldgiveahigheryieldthaneitheroftheoriginalplants.[句式分析][嘗試翻譯]他想只有一種方法可以做這件事——通過雜交不同品種的水稻，然后他可以培育出一種新的水稻，這種水稻可以比原先的任何一種產(chǎn)量更高。Ⅰ.閱讀理解AInFrance,thereoncelivedamannamedLouisPasteur,whowasadoctorofscience.Thethingthatconcernedhimmostwasthediseaserabies(狂犬病)．“Imustfindtherabiesgerms(細(xì)菌)thathideinsidepeopleandmakethemsosickthattheydie，”hethought.“OnceIfindthem,I'llthinkofawaytokillthem.”ManypeoplethoughtPasteurwaswastinghistime.Somelaughedathimandsaid,“You'llneverdoit.”Pasteurdidn'tcarewhatpeoplethought;hebelievedinhimself.Hekeptrightonworking.Atthesametime,inGermany,aboynamedJoeywasabouttogetintotrouble.Hewasteasing(逗弄)adog.Butthisdogwassickwithrabies,whichmadethedogmad.Unfortunately,thedogbithim.TherabiesgermswerepassedfromthedogtoJoey.Soonthelittleboywasverysick.Hisparentscouldonlywait.Butthentherewasnews.Joey'smothersawitandshoutedforjoy.“AdoctorofsciencehasfoundawaytosavesickpeoplelikeJoey！”shesaid.Theman,ofcourse,wasLouisPasteur.Joey'sparentsquicklypreparedJoeyforthelongjourneytoParis.“Dr.Pasteur，”saidthemother.“Ourlittleboyisverysick.Canyouhelpus？”“Perhaps，”saidPasteur.“I'veinventedavaccine(疫苗).Itisstrongenoughtokilltherabiesgerms.Joeywillbethefirstpersontohavemyrabiesvaccine.”“Thefirstperson？”askedJoey'sworriedfathernervously.“Willitbedangerous?Areyousureitwillwork？”“Ibelieveitwill，”saidPasteur.Slowlythevaccinekilledmoreandmoreoftherabiesgerms.Joeybegantogetwell.Dr.Pasteur'svaccinewasasuccess!Fromthenonnoonehadtobeafraidofrabiesanymore,andpeoplewhohadlaughedathimbefore,respectedhim.Heisrecognizedasoneoftheworld'sgreatestscientists.eq\x(語篇解讀：本文是記敘文。文章介紹了研制出狂犬病疫苗的著名法國科學(xué)家——巴斯德。)1．Whatwaspeople'sfirstreactiontowardPasteur'sthoughtsonkillingrabiesgerms?A．Hopeful. B．Cheerful.C．Doubtful. D．Uncaring.解析：選C細(xì)節(jié)理解題。根據(jù)第三段中的內(nèi)容可知，大家對巴斯德想要消滅狂犬病病毒的事深表懷疑，都認(rèn)為他做不到。2．WhathappenedtoJoey?A．Hefoughtwithadog.B．Hedroveamaddogaway.C．Hekilledtherabiesgerms.D．Hegotrabiesunexpectedly.解析：選D細(xì)節(jié)理解題。根據(jù)第五段中的“Hewasteasing(逗弄)adog.Butthisdogwassickwithrabies...fromthedogtoJoey.”可知，Joey被患有狂犬病的狗咬了，所以他也患上了狂犬病。3．WhichofthefollowingwordscanbestdescribePasteur?A．Confidentandstrong-minded.B．Carefulandsimple-minded.C．Selflessandhumorous.D．Proudandimaginative.解析：選A推理判斷題。根據(jù)第四段內(nèi)容及倒數(shù)第二段中的“Dr.Pasteur'svaccinewasasuccess！”可知，巴斯德并沒有在意世俗的看法，他非常自信。在他的堅持努力下他終于成功研制出了狂犬病疫苗。4．Whatdoesthetextmainlytalkabout?A．TheamazingstoryofJoey.B．Pasteur'sdeepinterestinscience.C．Thefirstknownpersontosurviverabies.D．Pasteur'ssuccessinfindingatreatmentforrabies.解析：選D主旨大意題。根據(jù)文中對巴斯德下定決心研制狂犬病疫苗并最終取得成功的故事可知，該文的主旨就是介紹巴斯德在發(fā)明狂犬病疫苗方面取得的成就。BOnDecember14,1911,NorwegianexplorerRoaldAmundsenandhisfour-manteambecamethefirstpeopletoreachtheSouthPole,wheretheyraisedtheNorwegianflaginvictory.OnWednesday,exactly100yearslater,Norway'sprimeministergatheredwithscientistsandpolaradventurersatthebottomoftheworldtorememberthefamousexplorer'sachievements.“Weareheretocelebrateoneofthegreatestfeats(功績)inhumanhistory，”PrimeMinisterJensStoltenbergsaid.Amundsenwasoneoftheworld'smostfamouspolarexplorers.In1903,hebecamethefirsttomakeashipvoyagethroughtheNorthwestPassage.AfterlearningthatAmericanexplorerRobertE.PearyhadreachedtheNorthPolefirstinApril1909,AmundsenmadesecretplansforaSouthPoleexpedition(探險).Atthetime,theSouthPolewasconsideredtobethelastgreat,undiscoveredterritory.OnOctober15,1911,Amundsensetoutfromhisbase,inBayofWhales,Antarctica(南極洲),withfourcompanions,52dogsandfoursleds.HissuccessinreachingtheSouthPolewassupportedbycarefulplanning.Hetookapreliminary(預(yù)備的)triptodropfoodandsuppliesalongthefirstpartofhisroute.Hisuseofsleddogstocarrysuppliesalsohelped.Amundsenandhismen,alongwith11survivingdogs,madeitbacktobaseonJanuary25,1912,quickerthanexpected.Today,Antarcticaisabaseformanyglobalscientificresearchprojects.ThelandholdsmanycluestoEarth'spastandfuturechanges,especiallythoserelatedtoglobalclimatechanges.Wednesday'sceremonyatthepolealsoservedareminderoftheimportanceofcontinuingscientificresearchinthisdistantplace.“ThelossoficeintheAntarcticcanhavegreatglobalconsequences，”thePrimeMinisterStoltenbergsaid.eq\x(語篇解讀：你知道世界上第一個抵達(dá)南極點的人是誰嗎？一起來了解一下吧。)5．TheWednesday'scelebrationwasfor________.A．thebirthdayofRoaldAmundsenB．Norway'sprimeminister'snewpolicyC．Norwegians“victory”intheSouthPoleD．Norway'seconomicalachievements解析：選C細(xì)節(jié)理解題。由第一段可知，挪威首相召集科學(xué)家和南極探險者們舉行集會，以紀(jì)念挪威人抵達(dá)南極點100周年。6．WhatencouragedAmundsentotraveltotheSouthPole?A．SupportfromtheNorway'sprimeminister.B．RobertE.Peary'sreachingtheNorthPole.C．TheplanofbuildinganewbaseintheSouthPole.D．ThesuccessintravelingthroughtheNorthwestPassage.解析：選B細(xì)節(jié)理解題。由第二段可知，當(dāng)?shù)弥_伯特·E·皮爾里第一個到達(dá)北極點后，羅爾德·阿蒙森便開始秘密計劃去南極點的探險。7．WhatmainlyhelpedAmundsenreachtheSouthPole?A．Hiscarefulpreparation.B．Hisformerseveralfailures.C．Hisfamiliesencouragement.D．Hisspecialrouteandsleds.解析：選A細(xì)節(jié)理解題。由第三段中的“HissuccessinreachingtheSouthPolewassupportedbycarefulplanning.”可知，羅爾德·阿蒙森成功到達(dá)南極點主要是因為他的準(zhǔn)備工作做得非常充分。8．HowlongdidittakeAmundsentoreachtheSouthPole?A．About2months. B．About3months.C．About5months. D．About6months.解析：選A推理判斷題。由第三段可知，羅爾德·阿蒙森于1911年10月15日開始他的南極點探險旅程；由第一段可知他于1911年12月14日抵達(dá)南極點，由此推算可知，他到達(dá)南極點用時約2個月。CYoumayheartheexpression:“Ifyougiveapersonafish,theywilleatforaday.Ifyouteachapersontofish,theycaneatforalifetime.”O(jiān)newaytoexplainthisisthathelpingpeoplegrowtheirownfoodisabetterwaytofighthunger.ThatisthepurposeofanagriculturalresearchorganizationcalledHarvestPlus.HarvestPlusisteachingpeoplearoundtheworldhowtogrowwhatitcalls“smart”crops(莊稼).ItsprojectinMozambique,acountryinSoutheastAfrica,ishavingsurprisinginfluences.Sweetpotatoeshavevitamin(維生素)A,whichkeepsyoureyeshealthyandhelpsthebodyfightdisease.In2006,HarvestPlusworkersprovidedorangesweetpotatoplantstopeoplein24Mozambiquevillages.TheworkerstaughtthesepeoplehowtogrowthevegetablesandalsoexplainedtheimportanceofvitaminAtostayinghealthy.FarmersinMozambiquehadbeenplantingwhiteandyellowsweetpotatoes,whichhaveverylittlevitaminA.However,onesmall,orangesweetpotatohasafullday'ssupplyofvitaminA.AlandeBrauwfromtheInternationalFoodPolicyResearchInstitutesaysabout70percentofchildrentherewerenotgettingenoughvitaminA.Hesaysthepotatoeshadasurprisinginfluenceonthehealthofchildren.Attheendofthethree-yearstudy,theresearchersfoundthatchildrenlivinginvillagesgrowingorangesweetpotatoeshad40percentfewerchancesofgettingdiarrhea(痢疾)thanotherboysandgirls.Amongchildrenundertheageofthree,thedifferencewas50percent.Experts(專家)aresuggestingthatconnectingagricultureandhealthproblemsisnaturalandhelpful.AnneHerforth,afoodexpert,saysthefindingsdoagoodjobmakingtheconnectionbetweenfoodproductionandhealth.“Look,youproduceafoodandit'savailabletopeopletoeatandtheylikeit;thenitdoesgoodthingsforhealth.”語篇解讀：本文是說明文。農(nóng)業(yè)研究組織HarvestPlus以一種特殊的方式不僅解決了糧食危機(jī)而且還改善了人們的健康狀況。9．WhywasHarvestPlussetup?A．Toprovidefoodforpeoplearoundtheworld.B．Tohelpfarmersincreasecropproduction.C．Todoresearchonagriculturalproducts.D．Todealwiththehungerproblem.解析：選D細(xì)節(jié)理解題。根據(jù)第二段中的“helpingpeoplegrowtheirownfoodisabetterwaytofighthunger.ThatisthepurposeofanagriculturalresearchorganizationcalledHarvestPlus”可知，HarvestPlus這個組織的目的是要解決饑餓問題。10．What'sspecialaboutorangesweetpotatoes?A．TheyhavemorevitaminA.B．Theysellbetterinvillages.C．Theytastemuchsweeter.D．Theyareeasiertoplant.解析：選A細(xì)節(jié)理解題。根據(jù)第四段中的“whiteandyellowsweetpotatoes,whichhaveverylittlevitaminA”和“onesmall,orangesweetpotatohasafullday'ssupplyofvitaminA”可知，橙色的紅薯含有更多的維生素A。11．Whatsurprisedtheresearchers?A．DiarrheawasextremelycommoninMozambiquevillages.B．Orangesweetpotatoesstronglyinfluencedchildren'shealth.C．MostchildreninMozambiqueweren'tgettingenoughvitaminA.D．Therewasabigdifferenceinthehealthofchildrenofdifferentages.解析：選B推理判斷題。根據(jù)倒數(shù)第二段中的“thepotatoeshadasurprisinginfluenceonthehealthofchildren”以及接下來的研究結(jié)果可知，橙色紅薯對兒童的健康有著巨大作用，這讓研究者感到非常詫異。12．InAnneHerforth'sopinion,________.A．connectingfoodwithhealthisusefulB．peopleshouldtrytheirbesttoproducenaturalfoodC．a(chǎn)gricultureandhealthproblemsa