高考英语一轮总复习 阅读与写作 农业生产类课件 外研版.ppt

阅读与写作 4 并列句农业生产类农业是国民经济的基础 是人类衣食之源 生存之本 是支撑整个国民经济不断发展与进步的保障 农业生产关系到人民的切身利益 因此 高考的语篇材料也常会涉及到 美文赏析studiesshowfarmlandinafricaisoftenlackinginimportantnutrients butresearcherssayacombinationoffarmingmethodsmayhelp researcherswonderhowtoincreaseproductionwithoutnecessarilyclearingmorelandtogrowadditional crops americanresearcherssaythatcanhappenwithgreateruseofanagriculturalsystemcalledperenniation itmixesfoodcropswithtreesandperennial plants thosethatreturnyearafteryear soilscientistjohnreganoldsays oneofthemajorproblemsisthatthesoilsarefairlypoorinmostoftheregions sohowdoyougrowfoodonpoorsoils therehavetobefoodproductionsystemsthatcanbuildthesoilandimprovetheyield mr reganoldsayspoorsoilmayhaveresultedfromyearsofweatheringthatwashedawaymanynutrients hesayssomefarmersmayhavedonemoreharmthangood theyhavebeenactuallyusingfarmingpractices wherethey renotputtinginorganic matter they renotputtinginfertilizers theycan taffordthosethings anditjustrunsthesoildown sothey reworseningthesituation thescientistsaysthewordperenniationdefinesthreesystemsthatarealreadyusedinafrica theoldestofthethreeiscalledevergreenagriculture thisiswherefarmersplanttreeswiththeircrops farmersinafricahavebeendoingthisforsixtyyears butitseemstobegrowinginpopularity themethodisgainingwidespreaduseincountriessuchasniger burkinafaso malawiandzambia thetreesareplantedamongmaize 玉米 milletorsorghumcrops theynotonlyaddnitrogen 氮 tothesoilthroughtheirroots butalsothroughtheirleaveswhentheyfalloffandbreakdown atothertimesoftheyear thetreescanprotectplantsfromstrongsunlight johnreganoldsaysheknowsofonewomanwhohashadgreatsuccesswithperenniation she sagrandmotherinherfifties her name is rhoda mang yana and she started using this system about twenty years ago andheryieldsinitiallywereaboutatonofmaize nowwithagoodyearshegetsfourtonsperhectare fourtimeswhatshewasgetting 解题导语 如何在非洲土地有限 地力贫瘠的情况下 有效地改善土地状况 提高农作物产量呢 本文介绍了一种能有效提高土地的肥力 促进生产的耕作方式 一 阅读与积累1 攻克疑难词汇 additionaladj 另外的 额外的 perennialadj 长久的 持续的 yieldn 产量 产出 practicen 通常做法 organicadj 有机的2 攻克疑难句 1 theyhavebeenactuallyusingfarmingpracticeswherethey renotputtinginorganicmatter 结构分析where引导的定语从句修饰farmingpractices 尝试翻译事实上他们一直在使用不投入任何有机物质的农耕方式 2 theynotonlyaddnitrogen 氮 tothesoilthroughtheirroots butalsothroughtheirleaveswhentheyfalloffandbreakdown 结构分析句子使用了notonly butalso句式 表示 不但 而且 when引导时间状语从句 尝试翻译它们不仅通过根系向土壤里添加氮 而且在它们的叶子落下并分解后也向土壤里添加氮 二 理解与书面表达1 理解文章主旨thepassagemainlytellsushow to increase producion 2 理解与书面表达文中画线的句子是属于 句 答案并列 1 说明 并列句是由两个或两个以上并列而又独立的简单句构成 在并列句中 这些简单句常由并列连词连在一起 并列连词所连接的简单句被称为分句 2 例句感悟 hetoldmetodoit soididit workhardandyouwillsucceedsoonerorlater tombecameajudgewhileheremainedafisherman eitheryoudidn tunderstandthisproblem oryouwerenotcarefulenough 3 用并列句翻译下面的句子 前门大街是一条步行街 但是你可以乘电车去剧院看电影 这条著名大街的历史可以上溯到600年前 它共约800米长 另外 它也是一条商业街 街道两边分布着300多家商店 答案 qianmenstreetisapedestrianstreet butyoucanenjoythetrolleycarstogotoseeamovieinthetheatres thefamousstreetdatesbacktosixhundredyearsandhasalengthofabout800meters itisalsoacommercialstreet andlinedwithmorethan300shops 4 加入适当的连词或句子将上面的句子改写成一篇优秀的小短文 参考范文 qianmenstreetisapedestrianstreet butyoucanenjoythetrolleycarstogot