初中英语新人教版七年级下册Unit4 Section B词汇课件（2025春）

SectionBUnit4EatWell improve/ɪmˈpruːv/v.改进;改善①及物动词“改进;改善”我需要提高我的英语水平.IneedtoimprovemyEnglish.②不及物动词“改进;提高;康复”医生说他正在康复.Thedoctorsaysheisimproving. 拓展:相关词形变化1.技术的进步往往发生在一夜之间.Improvementsintechnologyoftenhappenovernight.improvev.改进;改善improvementn.改进;提高self-improvementn.自我改进/提高2.一些人使用互联网来消磨时间,而另一些人则用它来进行自我提升.SomepeopleusetheInternettokilltimewhileothersuseitforself-improvement. habit/ˈhæbɪt/cn.习惯饮食习惯eatinghabits好/坏习惯agood/badhabit有做...的习惯haveahabitofdoing...1.阅读是一个好习惯.Readingisagoodhabit.2.不同的人有不同的饮食习惯.Differentpeoplehavedifferenteatinghabits.3.我有早起的好习惯.Ihaveagoodhabitofgettingupearly. fastfood快餐一些人每周都吃快餐.这是个不好的习惯.Somepeopleeatfastfoodeveryweek.It’snotagoodhabit. salt/sɔːlt/un.盐一种常见的调味品，可增加食物的咸味，对维持人体生理功能也有重要作用。saltun.盐+-y后缀→saltyadj.咸的薯片通常含盐太多,所以吃起来很咸.Potatochipsusuallyhavetoomuch______.Sotheytaste________.saltsalty fat/fæt/un.脂肪adj.肥胖的①un.脂肪;肥肉;(烹饪用的)动植物油1.这块肉肥肉太多.Themeathastoomuchfatonit.2.将鸡肉放进热油里.Putthechickeninthehotfat.②adj.肥胖的(反义词为thin)甜食会让你长胖.Sweetfoodcanmakeyoufat. 拓展:相关词形变化我从来不吃高脂肪事物.Inevereatfattyfoods.fatun./adjfattyadj.富含脂肪的;肥胖的 puton增加;穿上①增加体重;发胖增加体重putonweight增加...puton+具体重量我去年长胖了十斤.Iputon10poundslastyear.②穿上;戴上(反:takeoff)外面冷,请穿上你的毛衣.It’scoldoutside.Pleaseputonyoursweater. puton增加;穿上③上演;举办他正在表演魔术.Heisputtingonamagicshow.拓展:与put相关的短语putaway将...收起putdown放下;记下putoff推迟putup举起;建造;张贴 weight/weɪt/n.体重;重量在重量上inweight...的重量theweightof...减肥loseweight体重增加putonweightgainweight1.这个西瓜大约10斤重.Thewatermelonisabout10kilosinweight.2.这条鱼的重量超过2千克.Theweightofthefishisover2kilos. 拓展:相关词形变化你知道[曹聪称象]的故事吗?DoyouknowthestoryofCaoCongWeighstheElephant?weightn.重量weighv.有...重;称重 拓展:表达“某人/某物的重量是...”①Sb’sweightis...kilo(s).②Theweightof...is...kilo(s).③...weigh(s)...kilo(s).他重75千克.Hisweightis75kilos.=Theweightofhimis75kilos.=Heweighs75kilos. hamburger/ˈhæmbɜːɡə(r)/cn.汉堡包不要吃太多的汉堡包,不健康.Don’teattoomanyhamburgers.Theyareunhealthy. cause/kɔːz/v.造成;导致①及物动词.造成;导致;引起导致某人做某事causesbtodosth给某人带来某事(多指不好的事)causesthforsbcausesbsth1.这只狗总是给主人带来麻烦.Thedogalwayscausestroubleforhisowner.=Thedogalwayscauseshisownertrouble.2.是什么使他改变了注意?Whatcausedhimtochangehismind? cause/kɔːz/v.造成;导致②名词.原因;起因;理由...的原因thecauseof...我们需要首先了解问题的原因,然后尽力去解决.Weneedtoknowthecauseoftheproblemfirstandthentrytosolveit. heart/hɑːt/n.心脏;中心心脏问题heartproblem1.吃像披萨和汉堡包这样的快餐太频繁可能会导致心脏问题.Eatingfastfoodlikepizzaandhamburgerstoooftenmaycauseheartproblems....的中心theheartof丧失信心;灰心loseheart2.别灰心,一切都会好起来的.Don’tloseheart.Everythingwillbebetter. balanced/ˈbælənst/adj.均衡的;平衡的均衡饮食abalanceddiet1.我的妈妈可以做出健康均衡的饭菜.Mymumcanmakehealthybalancedmeals.2.保持均衡饮食很重要.It’simportanttokeepabalanceddiet. 拓展:相关词形变化1.这个男孩让跷跷板保持平衡.Theboykeepsthesee-sawinbalance.balancedadj.均衡的;平衡的balancen.平衡;平稳使...保持平衡keep...inbalance平衡感asenseofbalance保持/失去平衡keep/loseone’sbalance2.你骑自行车需要很好的平衡感.Youneedagoodsenseofbalancetorideabike. too...to...太...以至于不能注意:表示否定含义其中too为副词,其后加形容词或副词原级;to为不定式符号,其后加动词原形.too+adj./adv.+todosth1.他们太忙了而顾不上吃任何东西.Theyaretoobusytoeatanything.2.这个箱子太重了,我搬不动.Theboxistooheavyformetocarry. 拓展:句型转换too+adj./adv.+todosthso/such...that...not...enoughtodosth他年级太小,不能去上学.Heistooyoungtogotoschool.=Heissoyoungthathecan’tgotoschool.=Heisnotoldenoughtogotoschool.太...以至于不能...如此...以至于...不够...而不能做... 注意:too...to...结构中,too前有否定词(如never)时,表达肯定含义.1.活到老,学到老.It’snevertoooldtolearn.2.亡羊补牢,犹未为晚.It’snevertoolatetomend. sleepy/ˈsliːpi/adj.困倦的;想睡的在句中作表语或定语.感到困倦feelsleepy1.午餐后,他常感到很困.Heoftenfeelssleepyafterlunch.2.看这个打瞌睡的孩子.Lookatthesleepychild. 辨析:sleepyasleepsleepadj.“困倦的;想睡觉的”,作定语或表语.adj.“睡着的”,通常作表语不作定语,不能与时间段连用.常用短语:fallasleep“入睡”n./vi.“睡觉”吉姆昨晚睡得不好,现在他很累很困,因此他趴在桌上很快就睡觉了.Jimdidn’t_______welllastnight.Heistiredandfeel_______now,sohefalls________soonathisdesk.sleepsleepyasleep afterall毕竟;终归可位于句首,句中和句末.1.毕竟他只是个孩子.He’sonlyakidafterall.2.毕竟,一天一苹果,医生远离我.Afterall,anappleadaykeepsthedoctoraway. away/əˈweɪ/adv.离开;在别处远离keepawayfrom...走开goaway逃跑;逃脱runaway收好;放好putaway1.对不起,他不在.Sorry,heisaway.2.我们青少年应该远离不良网站.Weteenagersshouldkeepawayfromthebadwebsites.3.快走开!Goawayquickly. poor/pɔː(r);pʊə(r)/adj.不好的;平穷的;可怜的①不好的;差的(反:good)我方向感很差.Ihaveapoorsenseofdirection.②贫穷的(反:rich)他们很穷但很快乐.Theyarepoorbuthappy.③可怜的(只在名词前作定语)可怜的孩子不得不和他的祖父母一起生活.Thepoorkidhastolivewithhisgrandparents. 拓展:①poor还可意为“不擅长的”bepoorat=bebadat不擅长...他不擅长体育.Heispoor/badatsports.②thepoor穷人(表复数概念)拓展:therich富人theyoung年轻人theold老年人theweak弱者theblind盲人我们应该帮助穷人.Weshouldhelpthepoor. result/rɪˈzʌlt/cn.后果;结果结果;因此asaresult由于...asaresultof......的结果theresultof...1.他从不锻炼,因此他不健康.Heneverexercises.Asaresult,heisunhealthy.2.这是我们的调查结果.Hereistheresultofoursurvey.3.由于大雨,我不得不待在家.Ihavetostayathomeasaresultoftheheavyrain. article/ˈɑːtɪk(ə)l/cn.文章;冠词注意:一篇文章_____________anarticle1.他每周写一篇文章.Hewriteanarticleeveryweek.2.英语中,我们有三个冠词.WehavethreearticlesinEnglish. common/ˈkɒmən/adj.共同的;普遍的①adj.常见的;普遍的出错是很常见的,所以要勇敢面对它.Makingmistakesiscommon,sobebravetofaceit.②adj.共有的;共同的他们在运动方面兴趣相投.Theyshareacommoninterestinsports. 拓展:common还可作名词havesthincommon(withsb)(与某人)有相同的特征(或特点等)1.所有的节目都有一个共同点.Alltheshowshaveonethingincommom.2.令我惊讶的是,那对双胞胎毫无相同之处.Tomysurprise,thetwinshavenothingincommon. among/əˈmʌŋ/prep.在...之中;...之一用于三者或三种以上的情况.1.这三个演员中,杰克是最小的.Amongthethreeactors,Jackistheyoungest.2.上海是世界上最繁华的城市之一.Shanghaiisamongthebusiestcitiesintheworld. 辨析:amongbetween用于三者及以上常指两者之间betweenamong1.她在我们当中很受欢迎.她总是喜欢帮助别人.Sheispopular__________us.Shealwayslikestohelpothers.2.彼得坐在他的父母之间.Petersits____________hisparents.3.她在两餐之间吃零吃.Shehasasnack____________meals.amongbetweenbetween注意:表示“三个或三个以上的人或物的两两之间”,应用between而不用among. soft/sɒft/adj.柔软的;柔和的软饮料(不含酒精)softdrink软体玩具;布绒玩具softtoy柔和的音乐softmusic1.我有一把软椅子.Ihaveasoftchair.2.她很少喝软饮料.Sheseldomdrinkssoftdrinks. hardadj.坚硬的softadj.柔和的;柔软的拓展:softlyadv.柔和地;轻柔地1.她对宝宝轻声地哼着歌.Sheissinging__________tothebaby.2.她温柔礼貌地微笑.Shesmiles__________andpolitely.softlysoftly enough/ɪˈnʌf/adj./adv.足够的/地;充足的/地;pron.足够;充分①adj.足够的;充足的;充分的作定语修饰名词时,通常放在名词之前.haveenough+名词+todosth有足够的...可以做某事我们有足够的时间做家庭作业.Wehaveenoughtimetodohomework. enough/ɪˈnʌf/adj./adv.足够的/地;充足的/地;pron.足够;充分②adv.足够地;充足地;充分地用来修饰adj./adv.一般置于被修饰词之后.adj./adv.+enough+(forsb)+todosth(对某人来说)足够...可以做某事他跑地足够快.Herunsquicklyenough.③pron.足够;充足我吃饱了,我要回家了.I’vehadenough.I’mgoinghome. thirsty/ˈθɜːsti/adj.渴的1.一只乌鸦口渴了,到处找水喝.Acrowwasthirstyandlookedforwatereverywhere.2.我口渴,我需要一杯水.IamthirstyandIneedaglassofwater. thirsty/ˈθɜːsti/adj.渴的拓展:还可意为“渴望的;渴求的”渴望/渴求...bethirstyfor...他渴求知识.Heisthirstyforknowledge. America美国;美洲他来自美国.Heis/comesfromAmerica. America美国;美洲Americanadj.美国的;美洲的n.美国人;美洲人 THANKYOU!