1、Module 5 A Lesson in a LabGrammar语法精讲思维构建比较等级【语法感知】观察上面对话并类比填空。The sun _the earth and the moon is not _the earth.太阳比地球大得多,月亮并不和地球一样大。is much bigger thanas big as【语法精讲】一、倍数表达法1.倍数+as+形容词/副词原级+as*The journey to Europe cost two times as much as I had expected.去欧洲旅行的花费是我预算的两倍。2.倍数+形容词/副词比较级+than*His hou
2、se is twice larger than mine.他的房子比我的房子大一倍。*The dictionary is exactly five times more expensive than that one.这本字典比那本恰好贵5倍。3.倍数+the+名词(height,size,length,depth,width,etc.)+of*This rope is half the length of that one.这根绳子是那根的一半长。*The ballroom is twice the width of our classroom.舞厅是我们教室宽度的两倍。【名师点津】(1)倍
3、数表达结构中的倍数可用half(一半),twice(两倍);三倍及更多倍用“基数词+times”。(2)在as.as句型中,如果名词为单数可数名词,应注意冠词与形容词的位置关系,即“as+adj.+a(n)+单数可数名词+as”;如果名词为复数名词或不可数名词,应为“as+adj.+可数名词复数/不可数名词+as”。【即学活用】(1)单句改错My brother often exercises and he can walk three times further as me.()This table is twice as longer as that one.()(2)句型转换This r
4、iver is three times the depth of that one.=This river is _as that one.asthanlongerlongthree times as deepThe weight of paper produced every year is three times as heavy as the worldsproduction of vehicles.=The weight of paper produced every year is _than the worldsproduction of vehicles.three times
5、heavier二、比较级的常用结构1.比较级+and+比较级“越来越”*The climate is getting warmer and warmer so that the polar ice is melting faster and faster.气候变得越来越暖和,所以极地的冰融化得越来越快。*She became more and more talkative as the evening went on.夜渐深,她的话也渐渐多起来。2.the+比较级,the+比较级“越越”*The earlier the treatment is given,the bigger the pat
6、ients chances are.病人越早接受治疗,康复的可能性就越大。*The higher the monkey goes,the more he shows his tail.猴子爬得越高,尾巴越暴露。【名师点津】(1)大多双音节词和多音节词的比较级是在前面加more。用“比较级+and+比较级”结构时,形式为“more and more+形容词或副词原形”。(2)“the+比较级,the+比较级”意为“越,越”,表示一方的程度随着另一方的变化而变化。(3)“the+比较级+of the two+n.”表示“两者中较的那个”。(4)“否定词+比较级”表示最高级。【即学活用】(1)用所给
7、词的适当形式填空The fresh water is becoming _ and _.(little)The _(hard)he worked,the more he got.(2)The higher the ground is,_the air becomes.离地面越高,空气就越稀薄。(3)The _you are,the fewer mistakes youll make in the experiment.你越小心,你做实验犯的错误就越少。lesslessharderthe thinnermore careful三、修饰比较级的副词和短语修饰比较级的副词和短语常见的有:much,r
8、ather,even,still,far,yet,no,any,a little,a bit,a lot等。*A train runs much faster than a bus.火车比公共汽车跑得快多了。*In fact,the earth is a little nearer to the sun during the winter.事实上,冬天的时候地球离太阳近一些。*This book is no more interesting than that one.这本书和那本书一样不令人感兴趣。*He has no more than three children.他只有 3 个孩子。【
9、名师点津】(1)修饰比较级时,a little,a bit译为“一点儿”,a lot,rather,much,far译为“多”。(2)“no+比较级+than”表示对两者都否定,意为“同一样不”。no more than仅仅,只有。(3)any修饰比较级用于疑问句和否定句。【即学活用】(1)英译汉Do you feel any better today?你今天感觉_了吗?Peter is no more careful than you._(2)语法填空Its much _(cold)today than it was yesterday.The new system is far _(goo
10、d)than the old one.好些彼得和你一样不仔细。colderbetter学情诊断课堂测评.单句语法填空1.(2020天津高考)Im relieved to know that“cool”has a much _(broad)definition than what I used to think.2.Judging from the number of cars,there are not _ many people as we expected at the party.3.A friend is _(easy)lost than found.4.Unlike my boss,
11、I wont buy a car _ expensive as this one.5.The tower of London is three times the _(high)of the church tower.6.The _(hard)you work,the better result you will get.broaderaseasierasheightharder7.21st Century is more _ a newspaper.Many students improve their English by reading it.8.Id gladly pay twice
12、_ much for the reference book because it is really useful to my study.9.Farming produced more food per person _ hunting and gathering,so people were able to raise more children.10.Are you pleased with his performance?Well done!It couldnt have been _(good).thanasthanbetter.完成句子1.A good neighbour _a b
13、rother in the next village.远亲不如近邻。2._the war lasts,_the people there will suffer.战争持续得越久,那里的人民遭受的苦难就越多。3.The more we get together,_we will be.我们越经常聚在一起,我们越感到开心。4.He runs _any other boy in his class.他在班级里比其他任何男孩跑得都快。is better thanThe longerthe morethe happierfaster than5.Carrying goods by train costs
14、 nearly _carrying them by ship.通过铁路运货的成本比驳船运货成本高出近3倍。6.The air in the country is much _that in the city.农村的空气要比城市的空气清新。7.The roads here are _those in our city.这里的道路要比我们城市的道路宽。three times more thanfresher thanwider than8.His grades are getting _,so he is becoming _study.他的成绩越来越好,所以他对学习越来越感兴趣。9.This t
15、est takes _thirty minutes.这个测验只要30分钟。10.This street is _than that one.这条街是那条街的三倍宽。better and bettermore and moreinterested inno more thanthree times wider【语法主题应用】根据提示翻译下列语段。随着科学技术的发展,越来越多的(more and more)智能机器人将在未来得到广泛的应用(一般将来时的被动语态)。在家里,机器人将帮助人们做一些家务和照顾老人,婴儿和病人(省略to的不定式作宾语补足语)。机器人可以做更多任务(take more ta
16、sks),甚至可以和人类下棋、做运动。在工厂里,机器人比我们更适合(will be more suitable)从事一些危险的工作。机器人将在许多方面改变我们未来的生活,使之更加丰富多彩和舒适(more colorful and comfortable)。_.With the development of science and technology,more and more intelligentrobots will be widely used in the future.At home,robots will help people do somehousework and take
17、 care of the elderly,babies and patients.Robots can takemore tasks.They will even be able to play chess and do exercise with people.Infactories,robots will be more suitable to perform some dangerous jobs than us.Robots will change our future life in many ways,which will make it morecolorful and comfortable