Unit 5-Section C Using Language重点解析讲义-2022-2023学年高中英语人教版2019选择性必修第一册

Unit5-SectionCUsingLanguage重点解析【知识框图】参考答案：{重点词汇}OrganicWidespreadDigestEssentialMineralAlternativeGroceryInstanceDepthRootEntirelyAspectFertiliserNutritionalNutritiousNutritionalleviatepoverty{重点短语}达到负担得起毫无疑问在……看来在……一开始增强意识相应地;转而;依次;轮流随着时间推移例如集中于防止……做……对……没有影响进行研究建立执行把……和……分开【重点词汇】presentv.赠送(礼物,奖品等);呈现adj.在场的;出席的;当前的【教材原句】Whenpeoplepresentimportantfacts,theyusuallygivesomeevidencetosupporttheirclaims.当人们提出重要事实时,他们通常提供一些证据来支持他们的主张。【词汇精讲】presentv.赠送(礼物,奖品等);呈现adj.在场的;出席的;当前的Myfriendgavemeapresentonmybirthday.我的朋友在我生日时给了我一个礼物。Howlonghaveyoubeeninyourpresentjob?你干现在这个工作多长时间了?Theartistwasdeterminedtopresentabetterpicture.这位画家决定呈现一幅更好的图画。【词汇拓展】Atnotimehasthecountrybeenmoreprosperousthanatpresent.这个国家从未像现在这样繁荣。Theteacherpresentedhimwithapen.老师赠送了他一支钢笔。essentialadj.完全必要的;极其重要的【教材原句】Theymaylookbeautifulontheoutside,butinsidethereisusuallymorewaterthanessentialminerals,andtheyoftenhavelessflavouraswell.它们可能外表看起来很漂亮,但里面通常有更多的水,而不是必要的矿物质,而且它们的味道通常也更差。【词汇精讲】essentialadj.完全必要的;极其重要的Eveninsmallcompanies,computersareanessentialtool.即使在小公司里,计算机也是必不可少的工具。FrenchandGermanaredeemedessential.法语和德语被认为是必不可少的。【词汇拓展】Itisessentialthatwe(should)dealwiththeproblem.我们很有必要处理这个问题。Itisessentialtoknowwheretheproblemlies.有必要知道问题在哪里。inturn相应地;转而;依次;轮流digestvt.&vi.消化vt.领会;领悟【教材原句】Thisaffectsthecropsgrownonthelandand,inturn,theanimalsandhumanswhodigestthem.这影响到种在土地上的庄稼,进而影响动物和消化这些作物的人。【词汇精讲1】inturn相应地;转而;依次;轮流Sheaskedthesamequestionofeveryoneinturn.她依次向每一个人问同样的问题。Inthecitysquarestheneonlightsflashedinturn.在城市广场上,霓虹灯依次闪烁。【词汇拓展】Duringthesummerholidays,theteacherswereondutybyturns.暑假期间,老师们轮流值班。Whenitismyturn,Irealizedwhytheprocesswasmovingsoslow.当轮到我的时候,我明白进程为什么这么慢了。【词汇精讲2】digestvt.&vi.消化vt.领会;领悟Hehastoavoidfatbecausehisbodycan’tdigestit.他不得不避免吃脂肪,因为他的身体无法消化它。Ineedsometimetodigestinformation.我需要一些时间来理解信息。【词汇拓展】Noliquidsareservedwithmealsbecausetheyinterferewithdigestion.上饭菜时不要同时上汤水或饮品,因为这会影响消化。instancen.例子;实例;事例【教材原句】Forinstance,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.【词汇精讲】instancen.例子;实例;事例Therehavebeenseveralinstancesofviolenceattheschool.在学校有几起暴力事例。Icancitequiteafewinstancestoillustratethis.我可以举出好几个例子来说明这件事情。【词汇拓展】Shehasmasteredseveralforeignlanguages,forinstance,French.她精通几种语言,例如法语。alternativen.可供选择的事物adj.可供替代的;非传统的【教材原句】Asanalternative,somefarmershaveswitchedtoorganicfarming,andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery.作为一种选择,一些农民转向了有机农业,许多顾客在当地商店购物时转向了有机食品。【词汇精讲】alternativen.可供选择的事物adj.可供替代的;非传统的Hegaveinonlyatthelastmomentbecausehehadnoalternative.他只是在最后一刻因为没有选择才做了让步。Wewillhavetorelymoreonalternativeenergy,suchassolarandwindpower.我们将不得不更多地利用可代替的资源,比如太阳能和风能。【词汇拓展】IfhewantstogotoHongKongtonight,hehasnoalternativebuttogobyair.如果他今晚想去香港,除了坐飞机外别无选择。【重点句式】I’drather...我宁愿……【句式剖析】I’drather是wouldrather的缩写形式,表示“宁愿……”,后接动词原形,其否定形式为wouldrathernotdo,译为“宁愿不做……”Hewouldratherkeeptimeforhishobbies.他宁愿为自己的爱好多花些时间。Nowadaysmoreandmorepeoplewouldrathernotliveinbigcities.现在越来越多的人宁愿不住在大城市里。【句式拓展】Hewouldratherdiethanturnagainsthismotherland.他宁愿死也不背叛祖国。Iwouldratherhewentwithmetomorrow.我宁愿明天他和我一起去。Infact,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.事实上,在大多数国家,像滴滴涕这样的杀虫剂已经被禁止,因为它们对人和环境造成了损害。【句式剖析】becauseof因为……,是介词短语,常用作原因状语,后面跟名词或代词作宾语。Mybrotherdidn’tpassthedrivingtestexambecauseofhislaziness.由于我弟弟的懒惰,他没有通过这次驾驶考试。Thesportsmeetinghasbeenputoffbecauseofthebadweather.由于天气不好,运动会被推迟了。【温馨提示】because是连词,其后接句子;becauseof是复合介词,其后接名词、代词、动词的-ing、what从句等,它在句中不用作表语。Theteachergotangrybecauseofwhatwehaddoneinclass.老师由于我们课上做的事情生气了。Wedecidednottoclimbthemountainsbecauseitwasrainingheavily.正下着暴雨,所以我们决定不去爬山了。Therefore,thereisstillalongwaytofindasuitablesolutionthatputssufficientfoodonthedinnertablewhilekeepingpeopleandtheenvironmentashealthyaspossible.因此,要找到一个合适的解决方案还有很长的路要走,该方案可以在餐桌上提供足够的食物,同时又要尽可能保持人和环境的健康。【句式剖析】本句是一个复合句。thereisstillalongway...是主句,thatputs...是定语从句,whilekeeping是省略句。as...aspossible尽可能……。Pleaserespondtomeasquicklyaspossible.请尽快给我回信。Hedesiredthathisbookbereadbyasmanypeopleaspossible.他希望有尽可能多的人读他的书。【句式拓展】as...aspossible相当于as...asonecan,使用时需要注意can的变化。Youshouldreadmoreandmorebooks,ascarefullyasyoucan!你要多看一点书,尽可能认真地看。【写作指导】假定你是中学生李华,你校正在举办以“我最喜爱的农业科学家”为主题的征文活动。请你根据下面要点提示,描述你所喜爱的农业科学家,内容包括:1.谁是你最喜欢的农业科学家;2.这位科学家对人类所做的贡献;3.你的感想或希望。注意:1.词数80左右;2.可以适当增加细节,以使行文连贯。一、审题定调1.确定体裁:本文为提纲式作文,要求考生根据提示信息,描述自己最喜爱的农业科学家。2.确定人称:由于是描述自己最喜爱的农业科学家,所以主要人称为第三人称。3.确定时态:时态以一般现在时为主。二、谋篇布局本文分为三个段落。第一段:开头应点明最喜爱的农业科学家,以袁隆平为例;第二段:主体部分介绍袁隆平的个人成就及对人类做出的突出贡献,此部分比较开放,只要发挥合理即可,如献身于水稻科研事业,成为农业先驱等;第三段:表达感想或希望,如向袁隆平学习等。三、常用语块四、遣词造句五、连句成文参考范文MyfavouriteagriculturalscientistOfsomanyfamousscientistsallovertheworld,IadmireYuanLongpingmost,whoisanagriculturalscientistofChina.In1973,YuanLongpingbecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.Thankstohisresearch,farmersareproducingharveststwiceaslargeasbefore.Thoughhehasachievedhisgoal,hestilldevoteshimselftoresearchonricesoastofeedmorepeopleintheworld.YuanLongpinghasmadesuchgreatcontributionstomankindthatheisrespectedandadmiredbypeopleallovertheworld.Allinall,wemustlearnfromthisgreatscientistinordertoserveourcountrybetterwhenwegrowup.【随堂小测】选词填空poverty,present,alleviate,affect,celebrate1.Anumberofmeasuresweretakentotheproblem.

2.Hiswholelifeisafightagainstandunemployment.

3.Youmustfindenoughevidencebeforeyouimportantfacts.

4.TheBrownstheir25thweddinganniversaryinFlorence.5.Stressisoneofthemajorfactorsthatcropgrowthandproduction.

参考答案：AlleviatePovertyPresentCelebratedaffect单句语法填空1.Itdoessometimeshelptoknowthe(nutrition)contentoffoods.

2.There’snowaywecanafford(buy)ahouseatthemoment.

3.Isuggestedthatshe(join)theEnglishclub.

4.Ihaveafeelingourteamisgoingtowin.

5.Georgeisgoingtotalkaboutthegeographyofhiscountry,butI’dratherhe(focus)moreonitsculture.

参考答案:nutritionaltobuy(should)jointhatfocused介副词填空1.Thefive-starhotel’scurrentoccupancyratestands90%.

2.I’lltrytogetmysuggestioninthestartofthemeeting.

3.Listenoutthedifferentlinkingwordsandexpressions.

4.IwishIcouldbringyoutoseethesituationmypointofview.

5.adoubtIthinkyouarethegreatestpersonIhaveevermet.

参考答案:atatforfromWithout完成句子1.在我看来,是我最好的朋友改变了我对生活的态度。,mybestfriendchangedmyattitudetowardslife.

2.我宁愿你明天和我待在一起。youstayedwithmetomorrow.

3.遗憾的是她犯了这样一个错误。thatshehasmadesuchamistake.

4.我觉得这地方有点危险。Ithatthisplaceisalittledangerous.

5.我更希望珍妮来参加这次派对。IwouldpreferJennytheparty.

参考答案：InmyopinionIwouldratherItisapityhaveafeelingtocometo课文语法填空Chemicalpesticidesandartificialfertilisershavebeeninwidespreaduseinfarming1.themiddleofthe20thcentury,butscientistsfoundthattheirlong-termusecansometimes2.harmtoboththelandandpeople’shealth.Inmost3.(country),somepesticideslikeDDThavebeenprohibitedbecauseofthedamage4.(cause)topeopleandtheenvironment.

5.(solve)theproblem,somefarmershaveswitchedtoorganicfarming.Theyusenaturalwastefromanimalsasfertiliserinstead6.artificialfertilizers.Bydoingso,theymakethesoilintheirfields7.(rich)inmineralsthanbefore.Manyothermethodsarealsousedtoproducerichsoil.Farmersoftenchangethekindofcropgrownineachfieldeveryyear.Inthisway,someimportantminerals8.(put)backintotheground.

Somepeoplewouldprefertostoptheuseofman-madechemicalsinagri