高中英语外研版 (2019)必修 第二册Unit 1 Food for thought课前预习ppt课件

这是一份高中英语外研版 (2019)必修 第二册Unit 1 Food for thought课前预习ppt课件，共43页。PPT课件主要包含了知识体系图解，释义匹配，选词填空，重点词汇 ，function ，download，related，diet　，addict，tip等内容，欢迎下载使用。

1.　　　　　 n.(事物的)功能;作用 2.　　　　　 v.下载(信息或程序) 3.　　　　　 adj.有关系的,相关的 4.　　　　　 n.日常饮食 5.　　　　　 n.对……着迷的人 6.　　　　　 n.指点,建议 7.　　　　　 n.风俗,习惯,传统 8.　　　　　 n.礼貌,礼仪 9.　　　　　 n.诀窍,技巧,技法 10.　　　　　 n.盘,碟 11.　　　　　 adv.略微,稍微 
12.　 　　　　 v.推荐 13.　　　　　v.侵袭,侵蚀 14.　　　　　 prep.在……里 15.handle n.　　　　 16.differ v.　　 　　 17.steak n.　　　　 18.incredibly adv.　　 　　 19.bitter adj.　　 　　 20.bakery n.　　　 　 21.creamy adj.　 　　 　 22.acid n.　　　　 23.yghurt n.　 　　　 
似奶油的,软厚平滑的,光滑细软的
1.stay healthy 　　　　 2.differ in 　　　　  3.start with 　　　 　 4.have the ability t d...　　 　　 5.如果有必要的话 　　　 　 6.说服某人做…… 　　 　　 7.提建议 　　　 　 8.以防万一 　　　　 
if necessary
persuade sb t d　
give advice
1.While ging n yur first trip t the UK is exciting,new and different custms can als be sugar in sft drinks frms acid and attacks ur teeth fr abut 20 minutes each time we drink them.
1.functin　　 A.t mve infrmatin r prgrams frm a cmputer netwrk t a small cmputer2.dwnlad B.smething that is dne by peple in a particular sciety because it is traditinal3.custm C.t use vilence t try t hurt r kill sb4.differ D.a special activity r purpse f a persn r thing5.attack E.t be different frm smething in sme way答案:1.D　2.A　3.B　4.E　5.C
can,dare,must,need,have t
1.It is raining hard and I 　　　　　stay at hme. 2.He is taller than yu and he　　　　　 reach the apples n the tree. 3.My friend tells me that he　　　　　 nt try spicy fd. 4.As students,we　　　　　 wrk hard at ur lessns. 5.The railway statin is very near.Yu　　　　　 nt take a taxi. 
重点词汇1.S,if yu’re a sugar addict and aren’t able t say n t chclate r cla,yu had better dwnlad it nw!(教材P5)所以,如果你是一个糖果迷恋者,不能拒绝巧克力或可乐,你最好现在下载它!【词汇精讲】句中的addict是名词,意为“对……着迷的人”。She is a TV addict and watches as much as she can.她是个电视迷,看起电视来没完没了。My brther is a cmputer game addict and he always plays cmputer games.我哥哥是个电脑游戏迷,他总是玩电脑游戏。
Sme students even becme addicted t the Internet and cannt cncentrate n schl and family life.一些学生甚至沉溺于网络并且不能集中精力于学校和家庭生活。I discvered an addictin t husewrk which I had never felt befre.我发现自己迷上了做家务,之前我从没有这种感觉。
【微写作】Li Ming is a game addict,and his father has been trying t prevent him frm being addicted t cmputer games which are very addictive.李明是一个游戏迷,他爸爸一直在设法让他不要沉迷于让人上瘾的电脑游戏。
2.Smetimes there are s many knives and frks that yu dare nt pick them up in case yu get it wrng.(教材P5)有时候刀叉太多了,你不敢拿它们,生怕万一弄错了。【词汇精讲】in case意为“万一,免得,以防”,在此处引导结果状语从句;此外,in case还可以引导条件状语从句,意为“假如,如果”;in case还可以与just放在一起使用,作状语,意为“以防万一”。Please remind me f it tmrrw in case I frget.请你明天提醒我一下,免得我忘了。In case he cmes tmrrw,please telephne me.假如他明天来的话,请给我打电话。The bus is usually n time,but start early,just in case.这辆公共汽车一般很准时,但还是要早点动身,以防万一。
【词汇拓展】in this case 既然这样,在这种情况下in that case既然那样,如果那样的话in sme cases在某些情况下in mst cases在大多数情况下in any case无论如何,不管怎样in n case决不,无论如何都不in case f万一;如果发生;假设In n case can yu leave the child alne at hme.你决不能把孩子一个人留在家里。In case f rain the mass meeting will be pstpned till the first fine day.如果下雨,群众大会将推迟到第一个晴天。
3.Table manners,hwever,can differ in different situatins.(教材P5)然而,餐桌礼仪在不同的情况下可能有所不同。【词汇精讲】句中的differ是不及物动词,意为“不同,不一样,有区别”。French differs frm English in this respect.在这方面法语不同于英语。Ideas n childcare may differ cnsiderably between the parents.在抚育儿童方面,父母的观点可能迥然不同。
These tw regins differ greatly in climate.这两个地区气候差异很大。Things in the wrld differ frm each ther in a thusand ways.世界上的事物是千差万别的。
4.Highly recmmended! 强烈推荐!(教材P6)【词汇精讲】recmmend是及物动词,意为“推荐,建议”。It was really annying;I culdn’t get access t the data bank yu had recmmended.这真的很烦人;我无法访问您推荐的数据库。I recmmend the bk t all my students.我向我所有的学生推荐了这本书。
I recmmend that yu talk t yur friend abut his behaviur.我建议你和朋友谈谈他的行为。There is a recmmendatin that a child’s first eye exam (shuld) be at the age f six mnths.建议孩子的第一次眼科检查应该在六个月大时进行。【温馨提示】recmmend和recmmendatin后接从句时,从句谓语动词常用虚拟语气,即“shuld+动词原形”,shuld可以省略。
5.The sugar in sft drinks frms acid and attacks ur teeth fr abut 20 minutes each time we drink them.(教材P7)软饮料中的糖会形成酸,每次饮用时都会侵蚀我们的牙齿约20分钟。【词汇精讲】句中的attack是及物动词,意为“侵袭,侵蚀”,作名词可以表示“攻击,抨击,(病情)发作”。The man insisted that he was just defending himself when attacked.那个人坚持说当受到攻击时他只是在进行自卫。Accrding t a recent research,heavy cffee drinking and heart attacks are nt necessarily cause and effect.根据最近一项研究,饮过量的咖啡与心脏病并没有必然的因果关系。
They planned t make an attack n the invaders at midnight.他们计划在午夜向侵略者发动进攻。When an animal is under attack,it can run away r fight back.动物遭到攻击时,要么逃走要么反击。
重点句式1.While ging n yur first trip t the UK is exciting,new and different custms can als be cnfusing.(教材P5)虽然你初次去英国的旅行很令人兴奋,但新的和不同的习俗也可能令人困惑。【句式剖析】while是连词,意为“虽然,尽管”,引导让步状语从句。当while引导时间状语从句时,从句中的谓语动词必须是连系动词或延续性动词。The mther didn’t knw wh t blame fr the brken glass as it happened while she was ut.妈妈不知道该责备谁打碎了玻璃,因为这发生在她外出的时候。While they were building a tunnel thrugh the muntain,the wrkers discvered an undergrund lake.当工人们在修建一个穿山隧道时,他们发现了一个地下湖。
Generally,sweet apples are eaten fresh while tart apples are used t make applesauce.一般说来,甜苹果生吃,而酸苹果则用来制作苹果酱。While I enjy the bk with sme nice pictures,I dn’t have enugh mney t buy it.虽然我喜欢这本图片精美的书,但是我没有足够的钱买它。
attacks ur teeth fr abut 20 minutes each time we drink them.(教材P7)软饮料中的糖会形成酸,每次饮用时都会侵蚀我们的牙齿约20分钟。【句式剖析】句中的each time是名词短语,在此作从属连词用,引导时间状语从句,意为“每次……”。Each time he smiled at me,a thread f warmth and friendship flwed int my heart.每次他向我投以微笑时,他同时也将一丝丝温暖和友情送入我的心房。Each time he cmes t Jinan,he cmes t see me.每一次他来济南都来看我。
【词汇拓展】与each time有类似用法的词语还有:
The mment the film was ver,they went ut f the cinema.电影一结束,他们就出了电影院。Every time he ges t Beijing,he visits the Great Wall.每一次他去北京都会游览长城。
重点语法情态动词(Ⅰ)1.can,culd
2.may,might
3.must,have t
4.shuld,ught t
5.will,wuld
6.need,dare
Ⅰ.介(副)词填空1.The tickets are free f charge and yu needn’t pay 　　　them. 答案:fr2.My brther picked　　　　　 sme Spanish when he was traveling in Spain. 答案:up3.T wrk ut a plan,ne has t start　　　　　 investigatin. 答案:with4.The authrs f the plan believe they can reach this pint　　　tw years. 答案:within/in5.They decided t g　　　　　 a trip t Xi’an during the summer hliday. 答案:n