目标导航小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comWhenapersonfirstfromhisheartbegantostruggle,heisamanofvalue.当一个人先从自己的内心开始奋斗，他就是个有价值的人。UsingLanguage&OtherParts重点词汇1．organicadj.有机的；不使用化肥的；有机物的2．pesticiden.杀虫剂；除害药物3．bacteriumn．(pl.bacteria)细菌4．fertiliser/fertilizern.肥料5．mineraln.矿物；矿物质6．groceryn.食品杂货店；[pl.]食品杂货7．widespreadadj.分布广的；普遍的；广泛的8．digestvt.&vi.消化vt.领会；领悟9．essentialadj.完全必要的；极其重要的10．alternativen.可供选择事物adj.可供替代的；非传统的11．rootn.根；根茎；根部；根源12．prohibitvt.(尤指以法令)禁止；阻止13.prohibitionn.禁止；阻止14．instancen.例子；实例；事例词汇拓展1．depthn．向下(或向里)的距离；深(度)→deepadj.深的→deepenv．加深2．entirelyadv.全部地；完整地；完全地→entireadj.全部的重点词组1．Inturn相应地；转而；依次；轮流2．Attheexpenseof以……为代价；由……支付费用3．take...intoaccount考虑到4．Desperatefor渴望的；迫切需要的5．Focuson集中6．Without(a)doubt毫无疑问；的确7．Forinstance例如；比如8．Startup(使)启动；发动；开始9．Ineveryaspect在各个方面重点句型1．过去分词短语作后置定语Theyoftenchangethekindofcropgrownineachfieldeveryfewyears.他们每隔几年就会把每块地里种植的作物变换一下。2．现在分词短语作状语，表示一种自然而然的结果Whydifferentcropsaregrownisbecausetheyputimportantmineralsbackintothe小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com知识精讲小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comground，makingitreadyforthenextbatchofcrops.轮换种植的原因就是这些作物会把重要的矿物质重新释放回土壤中，为种植下一批庄稼作好准备。3．that引导的同位语从句Whatkeepsthemfromdoingsoisthefactthatchemicalfarmingservesthehighdemandforfoodaroundtheworld.阻止他们这样做的是这样一个事实，即化学耕作满足了全世界对粮食的高需求。知识点01原文呈现CHEMICALVERSUSORGANICFARMINGChemicalpesticides①andartificial②fertilisershavebeeninwidespread③useinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced，manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction【1】．Overtime，however，whatsomescientistshavefoundisthattheirlong－termusecansometimesharmboththelandandpeople’shealth.【1】此处为不定式短语作后置定语，修饰agreatway。Forexample，pesticidescandamagethelandbykillingnotonlyharmfulbacteria④andinsects，butalsohelpfulones.Inaddition，thesechemicalscanstayinthesoilandundergroundwatersources⑤foralongtime.Thisaffectsthecropsgrownonthelandand，inturn⑥，theanimalsandhumanswhodigest⑦them.Manypeopleworrythatthesechemicalsmaymakethemillandevencausecancer.Infact，somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.Asfor⑧chemicalfertilisers，cropsgrownwiththemusuallygrowtoofasttoberichinnutrition【2】．Theymaylookbeautifulontheoutside，butinsidethereisusuallymorewaterthanessential⑨minerals⑩，andtheyoftenhavelessflavouraswell.【2】画线部分为简单句。grownwiththem为过去分词短语作后置定语，修饰crops；句子包含“too...to...”结构，表示“太……而不能……”。Asanalternative⑪，somefarmershaveswitchedtoorganicfarming，andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery⑫.Organicfarmingissimplyfarmingwithoutusinganychemicals.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.Forexample，manyorga...