1、,第 20 课时 Unit 8(八下),第一篇 教材考点梳理,turn off 关掉(电器、煤气、水龙头等),【点拨】turn off 是由“动词和副词”构成的短语,名词作宾语时既可放在off前,也可放在off后;代词作宾语时必须放在turn和off 的中间。 Tom, its time to turn off the TV and go to bed. 汤姆,是关掉电视上床睡觉的时候了。,【拓展】 与turn 相关的短语: turn on 打开(电器、煤气、水龙头等) turn up调大(音量等) turn down 调小(音量等) turn around 转身,调头 turn into (
2、使)变成 turn out 结果是,证明是 turn to 翻到;转向,【典例】(1)2019贺州Dont forget to the lights when you leave the classroom. A.turn on B.turn off C.turn down D.turn up (2)The baby is sleeping. Please the radio. Sorry, Ill do it right now. A.turn up B.turn down C.turn on D.turn over,B,B,allow v. 允许; 准许,【点拨】allow的用法,She
3、didnt allow me to drive her car. 她不允许我开她的车。 He isnt allowed to go for a drive. 他不被允许开车兜风。 They dont allow talking here. 他们不允许在这儿谈话。,【典例】2019咸宁Have you ever heard that China is building a nationwide 5G network? Right. 5G will allow us English movies faster than ever. A.download B.downloads C.to downl
4、oad D.downloading,C,difference n. 差异,不同(之处),【点拨】difference一般用作可数名词。make a difference意为“有关系,有影响”;make a big difference to 意为“对有很大影响”。 There are many differences between living in a big city and living in the country. 生活在大城市与生活在乡村有许多不同之处。 The exam will make a big difference to us. 这次考试将对我们有很大影响。,【拓展】
5、difference的形容词形式是different,意为“不同的”。be different from意为“与不同”;be different in意为“在方面不同”。 【典例】Which should we start with, Water World or Space World? Either is OK. It makes no to me. A.mistake B.promise C.difference D.decision,C, harmful adj. 有害的,【点拨】harmful是由harm加后缀-ful构成的。 be harmful to意为“对有害”,与do har
6、m to同义。 Smoking is harmful to our health. =Smoking does harm to our health. 吸烟对我们的健康有害。,【典例】2019辽阳The land is rain because it hasnt rained for several months. A.known for B.useful to C.harmful to D.thirsty for,D, separate/divide,【图解助记】separate分离开 divide分割开,【典例】(1)The birthday cake was into four piec
7、es, so each of us could have one. A.separated B.divided C.taken D.made (2) Look, there is a big farm. A fence the cows from the pigs. A.contacts B.leaves C.separates D.divides,B,C, alive/living/lively/live,（续表）,The fish we caught yesterday is still alive. 我们昨天捉的鱼还活着。 His uncle makes a living as a dr
8、iver. 他的叔叔以开车谋生。 A lively person is full of energy and is always doing things. 一个生气勃勃的人充满活力并且总是在做事情。 It wasnt a recorded show. It was live. 它不是录制的节目,是现场直播。,【典例】(1)2019铁岭His grandfather did his best to keep the tree but it died in the end. A.alive B.asleep C.absent D.awake (2)Books for children shoul
9、d be written in a style. A.living B.alive C.live D.lively,A,D, run out/run out of,His money soon ran out. 他的钱很快就花光了。 He is always running out of money before the pay day. 他总是发工资的日子还没到就把钱花完了。,【注意】run out 还有“跑出去”之意; run out of还有“从跑出”的意思。 Class is over.The students run out of the classroom. 下课了,学生们从教室里
10、冲了出来。 【典例】2018盐城These new types of energy cost very little and will never . A.look out B.come out C.run out D.stay out,C,Pollution is one of the biggest problems in the world today. 如今,污染是世界上最大的问题之一。,【点拨】“one of the biggest problems”意为“最大的问题之一”,其结构为“one of+the+形容词最高级+可数名词复数”。整个短语表达的是单数概念,故谓语动词用第三人称单
11、数形式。 Li Bai is one of the greatest poets all over the world. 李白是全世界最伟大的诗人之一。,【典例】2019广东Fishing is one of activities among the middle-aged people. A.popular B.more popular C.most popular D.the most popular,D,We should separate waste into different groups so that it can be recycled. 我们应该将废物分类以便循环使用。,【
12、点拨】so that意为“以便,为了”,引导表示目的的状语从句,可与in order that互换;从句谓语动词常与情态动词may, might, can, could, should, would等连用。 He got up early so that he could catch up the early bus. 他早早地起床以便能够赶上早班车。 The little boy pretended to be ill so that he didnt need to go to school. 这个小男孩为了不去上学而装病。,【典例】What a mess! The sharing bik
13、es are thrown everywhere. Lets collect and put them in the right place they can be used conveniently. A.unless B.so that C.because D.so long as,B,被动语态()一般将来时的被动语态。详见P125,专题(十),.单项选择 1.Because of pollution, many fish here have lost their areas. Yes. And some even have lost their . A.lives; live B.liv
14、es; living C.life; living D.living; lives 2.2019镇江Have you heard the 2022 Winter Olympics in Beijing? A.held B.are held C.were held D.will be held,D,D,3.My parents dont allow me late. A.stay up B.to stay up C.stays up D.staying up 4.My physics teacher to my life. A.made an effort B.made a wish C.mad
15、e a difference D.made a mess,B,C,5.Dirty water shouldnt be poured into rivers. . It will cause pollution. A.Dont say like this B.Never mind C.I cant agree more D.The same to you,C,.根据句意和汉语提示写出单词,完成句子。 1.The (调查) shows that three fifths of the students in the school wear glasses. 2.2019苏州二模Its foggy!
16、 Im afraid of driving in such bad weather. Dont worry. The rising sun will quickly (减少) it. 3.My father is busy (挖) holes in the garden to plant trees. 4.There is an (空的) bottle on the road. Everyone should be careful.,survey,reduce,digging,empty,5.Can you (分开) these old newspapers into different gr
17、oups? 6.Tom, look at the sign! Were not (允许) to park our car here. 7.This new kind of energy (产生) no air pollution. 8.Tom was (罚款) by the police because he did something wrong.,divide,allowed,produces,fined,9.The young man is dead. We have only to consider the (活着的). 10.Our government has done a lot
18、 to protect the environment. Many (污染) rivers are much cleaner now.,living,polluted,.根据句意用所给单词的适当形式填空。 1.More and more families own cars and this (cause) worse air pollution. 2.These plastic bags are sent to the factories for (recycle). 3.There are two (different) in the following pictures. 4.2019盐城Greenhouse gases are (harm) to the environment. 5.Daniel did the exercises too (care) and it made his teacher very angry.,causes,recycling,differences,harmful,carelessly,