雅思写作课程-task1新

任务测试内容时间1G应用信函：至少150词20分钟1A图表,流程图：至少150词20分钟2G/A议论文：至少250词40分钟雅思考试写作部分测试内容时间：60分钟雅思图表题7分技巧•确定动态或静态：有无时间跨度•归类：找不同点-大和小/升和降•对比：---makecomparison静态对比：同一年份不同数值的大小对比动态对比：不同年份间数值增大减少对比•描述：---mainfeaturesline:起点/终点/交点pie:最大最小百分比bar:最大最小差值图表题7分三个重要句型•while/whereas对比数据•定从省略/分词状语后置•with介词状语后置图表题正文段分段原则•单图:先分类后分段•双/三图:每个图表一段•四图:先分类后分段审题注意事项linegraph剑5P29基本句型1ThenumberofXincreasedgrewrosedecreaseddroppeddeclinedfellto/by300fluctuatedsuddenlyrapidlydramaticallysharplysignificantlysteadilygraduallyslowlyslightlyjumpedclimbedsurgedsoaredrocketedsankslidplungedslumpedtumbled基本句型2Therewasa/an(30%)suddenrapiddramaticsignificantsharpsteadygradualslowslightincreasegrowthrisedecreasedropfalldeclinefluctuationinthenumberofXfrom150to300form15%to30%between…and…from…to…line:描述数值变化的两个基本句型ThenumberofXhitahistorichigh/topthepreviouspeaklevelledoff/flattenedoutinDecemberat200.reachedapeak/plateauthehighestpointreachedthebottomthelowestpointbottomedout/bouncedback表示超过的单词补充1．exceed/surpass/overtake(后面直接跟数字)：Thefinalcostshouldnotexceed5milliondollars.2．outnumber/outscore(指一种事物的数字超过另一种数字，后面不直接跟数字)：Inourofficethefemalesoutnumberthemales:5to3.3．outweigh/outperform:(指价值超过另一中事物):Theadvantagesoutweighthedrawbacks.while/whereas对比数据的用法ThenumberofstudentsofclassArosesteadily,whereas/whilethatofclassBfellslightly.真题例句：•From1950onwards,industrialusegrewsteadilytojustover1,000km3,whiledomesticuserosemoreslowlytoonly300km3.•lambandchickenwereeateninsimilarquantities(around150grams),whereasmuchlessfishwasconsumed(justover50grams).Between1940andaround1960,ThepercentageofelderlypeopleintheUSAincreased/rose/grewslightly/slowlyto10%while/whereasthatof(thefigurefor)Japandecreased/declined/fellrapidly/sharply/significantlyby2%.while/whereas对比数据•基于大小升降的分类，用表示转折关系的连接词连接前后两句话，可有效提高小作文结构和语法分数。•此外，段落间也可进行对比，用如：bycontrast/onthecontrary/ontheotherhand等表示转折关系的状语进行写作。定从省略/分词状语后置•By2000,nuclearpowerhaddevelopedintothemainsource.•Nuclearpowerproducedalmost75%ofelectricity,at126units.范文例句•By2000,nuclearpowerhaddevelopedintothemainsource,producingalmost75%ofelectricity,at126units.定从省略/分词状语后置:练习•Betweentheseyears,electricityproductionalmostdoubledinAustralia.•Electricityproductionrosefrom100unitsto170inAustralia.范文例句•Betweentheseyears,electricityproductionalmostdoubled,risingfrom100unitsto170inAustralia.Between1940andaround1960,theproportionofpeopleaged65andoverintheUSAshowedanupwardtrend,increasingslightlyfromapproximately9%to10%whilethefigureforJapanexperienced/witnessedadownwardtrend,decreasingrapidlyfrom5%toonly3%.定从省略/分词状语后置•分词状语后置的特点是可以将一个描述数据的简单句变为高分的从句，从而把单一的句子写得更有层次，并突出图表的主要特点。一般前半句为文字描述，后半句为数字描述。常用的文字描述句型有：showed/saw/witnessed/experienceda/an+upward/downward/opposite/similartrend或+increase/rise/decline/dropwith介词状语后置的用法•Theremaining40unitswereproducedlargelyfromoilandnuclearpower.•Buthydropowercontributedonly5units.•Theremaining40unitswereproducedlargelyfromoilandnuclearpower,withhydropowerwhichcontributedonly5units.•真题例句：Theremaining40unitswereproducedlargelyfromoilandnuclearpower,withhydrocontributingonly5units.with介词状语后置的用法:练习•Thesecausesaffecteddifferentregionsdifferentlyinthe1990s.•Europehadasmuchas9.8%ofdegradationduetodeforestation.•Thesecausesaffecteddifferentregionsdifferentlyinthe1990s,withEuropewhichhadasmuchas9.8%ofdegradationduetodeforestation•真题例句：Thesecausesaffecteddifferentregionsdifferentlyinthe1990s,withEuropehavingasmuchas9.8%ofdegradationduetodeforestationBetween1940andaround1960,theproportionofelderlypeopleintheWesterncountriesshowed/sawanupwardtrend,with(thatof)Swedenincreasingmorerapidlyfromabout7%to9%whilethefigureforJapanexperienced/witnessedadownwardtrend,decreasingrapidlyfrom5%toonly3%.with介词状语后置•With介词状语后置的主要用途是它可以把很多有相似性的数值归纳在一起(前半句)，并突出其中有特点的一些数值(后半句)。常见的用法有：•With+抽象名词如：withfishrepresenting225grams•With+具体数值如：with225gramsAscanbeseenfromthelinegraph,theprojectedpopulationsofalltheAfricannationsandAfghanistan(theonlycountryfromtheMiddleEastinthegraph)wouldseeanupwardtrendinthefollowing9decades,withNigeriaandTanzaniaincreasingmostrapidlytoapproximately740millionand320millionin2100respectivelywhereasthefiguresforthedeveloping(BRIC)andindustrializedcountriescouldwitnessasignificantdropafter2050,withtheexceptionof(thatof)theUnitedStateswhosepopulationisenvisagedtoclimbtoabout480millionin2100.审题练习剑桥7---LINEGRAPHP53•Thegraphillustrateschangesintheamountsofbeef,lamb,chickenandfishconsumedinaparticularEuropeancountrybetween1979and2004.•In1979beefwasbyfarthemostpopularofthesefoods,withabout225gramsconsumedperpersonperweek.lambandchickenwereeateninsimilarquantities(around150grams),whilemuchlessfishwasconsumed(justover50grams).•However,duringthis25-yearperiodtheconsumptionofbeefandlambfelldramaticallytoapproximately100gramsand55gramsrespectively.Theconsumptionoffishalsodeclined,butmuchlesssignificantlytojustbelow50grams,soalthoughitremainedtheleastpopularfood,consumptionlevelswerethemoststable.•Theconsumptionofchicken,ontheotherhand,showedanupwardtrend,overtakingthatoflambin1980andthatofbeefin1989.By2004ithadsoaredtoalmost250gramsperpersonperwee