Unit 8 A green world 复习教案

八年级下学期英语Unit 8 复习教案
复习目标：1、梳理各模块知识点；
2、复习理解重点单词和短语及其用法。
知识梳理
【Welcome to the unit 】
1.Will more trees be planted this year? 今年会种更多的树？
句中will be planted 意思是“将会被种植”，“will be + 动词的过去分词”是一般将来时的被动语态。
这只大熊猫明天将被送到动物园。____________________________________________
The panda will be sent to the zoo tomorrow.
2.Trees are good for us. 树对我们有益。
be good for 意为“对……有益”；be good at 意为“擅长”。
（ ）Tom is good _____ playing football. It is good _____ his health.
A. at, for B. for, for C. at, at D. for, at
A
3.I like digging in the garden. 我喜欢在花园里挖土。
dig为不规则动词 过去式与过去分词都是____ dug
4.Are you serious? 你是认真的吗？ _________ __________没有什么严重的事情 nothing serious
be?serious?about?sth.=?take?sth?seriously?严肃对待??? ????
a?serious?illness?一个严重的病
The woman was ________ (serious) hurt in the traffic accident. seriously
5.reduce air pollution by riding bicycles.通过骑自行车减少空气污染。
reduce air pollution减少空气污染 “by doing sth.”意思是“通过做某事”。
It is a good way to protect the environment by ______ (drive) less.
driving
6.save water by taking shorter showers通过少洗澡来节约水 take a shower 洗淋浴
7.save energy by turning off the lights 关灯节约能源
turn on/off + the light/the computer/TV/the radio
turn on 打开…… turn up 调高 turn down 调低 turn around/round 转过身来 turn in 上交
8.protect the environment by recycling waste通过循环利用废料的方式保护环境
最有用的保护环境的方式之一就是循环使用废弃物。
__________________________________________________________
One of the most useful ways of protecting the environment is to recycle waste.
9.What should we do to live a green life?为了过上环保的生活我们该做什么呢？
a green life 环保的生活
live a happy/hard life 过着幸福的/艰苦的生活
10.drive to sp. = go to sp. __________ __________意思是 “开车去某地”。 by car
11.英语比较级考点
1）句中有than呈现两者的比较关系，形容词和副词用比较级。
He feels _______ (ill) today than yesterday. worse
2) 比较级用and连接，意思是“越来越……”
我们国家变得越来越强大了。_____________________________________
Our country is becoming stronger and stronger.
3) the+比较级放在句子开头，表示“越……,越……”
你越努力，你的梦想越有可能实现。___________________________________________
The harder you work, the more possibly your dream will come true.
注意：这里的“可能”是修饰“实现”的，应该用副词的比较级。
4）特指两个中那一个“怎么样（形容词）”，此时形容词比较级前要加定冠词“the”
( ) Here are two apples, will you pick ______?
A.the bigger B. the bigger one C. a bigger D. a bigger one B

【Reading】
1. a country with high mountains and clean blue lakes 一个拥有高山和清澈湛蓝湖水的国家
2. try to keep it that way努力保持它的原貌
3. In Switzerland, things like glass, plastic and paper are separated into different groups and then recycled. 在瑞士，像玻璃、塑料和纸被分成不同的小组，然后回收利用。
(1) separate意指从….分离、挑拣出来的意思，_________... __________ 从一个大的整体里分出来。
The children are separating the good apples from the bad ones． 孩子们正在把好苹果与坏苹果分开。
England is separated from France by the Channel． 英吉利海峡把英国和法国分开。
We walked until midnight and then separated． 我们散步到午夜才分手。
(2)divide 意为“分割；分开”，强调把一个整体按等量或一定比例分开。它常与into连用。
He __________the apple __________ 4 pieces.〔他把那个苹果分成了4份．（苹果是一个整体）〕?
(3)separate into 是指把一些东西分离，不是一个整体，如：We are separated into 4 groups.〔我们被分为4组．（因为我们每个人都是一个单独的个体，所以不能算作整体．）〕
4. an organization for recycling clothes一个循环利用衣服的组织
5. collect old clothes from all over the country 从全国各地收集旧衣服
6. some…, some…, and others… . 一些…， 一些…， 还有一些…。（固定句型）
another, other, others和the others
a) another?通常用于指三者或三者以上, “下一个的,另一个的”.
This pair of shoes is too short for me, and I want to try another one.
但是若其后有数词或 few 修饰时，则也可接复数名词。如：
We need another few chairs. In another two weeks it'll be finished.
b) other 其他的（后加名词）,相当于some,
Some people are playing on the playground, other people are playing chess under the tree
一些人在操场上玩,还有一部分人在树下下棋
other之前常用定冠词the．一定范围内两人（物），一个用one,另一个用the other. one…the other
I have two cats, one is black and the other is white.
There are only two books left. But I don’t like this one. Will you please show me the other?
(3) others 其他的人或物（部分），用。
some…others 一些…一些
Some cleaned the windows, others mopped the floor. 有的擦窗户, 有的擦地板。
c) the others 是“其余的”（全部）,
He is cleverer than the others [the other students] in her class.
There are thirty students in our class. Twenty are girls. The other students are boys.
Some of the pencils are red. The others are green.
7.be given to the poor 给贫困的人
8.have many laws_________ __________ the environment 有许多保护环境的法律
be not allowed to cut down trees 不允许砍树
9.allow v. 允许，准许 I’m afraid we don’t allow people to bring dogs into this restaurant.
allow_________ ___________ ________ __________ 允许某人做某事
sb. be allowed to do （被动）
allow_________ __________ 允许做某事 We do not allow smoking in the hall.
_________ __________ 砍到 cut down trees吹倒树木
10.will be punished 会被惩罚 __________ n. 惩罚 punishment
11.drop litter in a public place 在公开场合丢垃圾
12.be fined by the police 被警察罚款
fine 作动词 fine sb. for sth./ doing sth. He was fined 50 pounds for driving without lights.
作名词 罚款 You’ll get a fine if you park your car here.
13.laws to limit air and water pollution 控制空气和水污染的法律
limit n. 限度，限制 He was fined for exceeding the speed limit.
界限，范围 Lorries are not allowed within a two- mile limit of the town centre.
v. 限制，限定 I’m limiting myself to one cup of coffee one day.
14.Nature is our greatest treasure. 自然是我们最大的宝藏。
15.depend on its rich resources to live 依靠它丰富的资源生存
depend v. 视情况而定 – Can you lend me some money? – That depends. How much do you want?
_________ __________ 依靠；取决于 They depend on donations from the public.
16.use energy from the sun 利用太阳能
17.new types of energy新型能源
18. cost very little 花费很少
19. run out 用光
run out (of sth.) 用完；耗尽 We’ve _________ __________ __________ coffee.
Time is running out. My passport runs out next month.
20.produce v. 大量生产，制造 The factory produced 20 000 cars a year.
种植，出产 This area produces most of the country’s wheat.
21.do something to make a difference 采取措施发挥作用
make a difference 对…有影响；起作用 Marriage made a big difference to her life.
make no difference 对…没影响；无足轻重 It makes no difference to us if the baby is a girl or a boy.
make a difference (to sb /sth ) 对—有影响，起作用

【Grammar】
1. be_________ __________被用完
2. ______ __________ ________ the show 被邀请参观展览
3.What will be discussed at the show? 展览上将会讨论什么？
4. __________ _________ _______ ____________ __________最大的问题之一
5. __________ rubbish __________..把垃圾扔进……
6. be filled with/be full of 充满
7. in the future 将来
8. clean up打扫干净
9. act to improve the environment 行动起来改善环境
act v. 做事，行动 The doctor had to act quickly to save the child.
表现 Stop acting like a child!
扮演，表演 I acted in a play at school..
10. living things生物
(1) living意为“活着的、有生命的”，主要用于作前置定语及冠词the之后，表示一类人，也可用作表语，可修饰人或物。
??? a living plant——活的植物
??? The living will go on with the work of the dead. 活着的人将继续死者的工作。
??? the living——在世者，活着的人们
?? Latin is not a living language. 拉丁语不是现代使用的语言。
??? He is still living at the age of 95. 95岁了他还活着。
2) lovely意为“可爱的”“美好的”。如： a lovely day, a lovely girl
3) alive意为“活着的、有活力的”，是表语形容词
He was alive when he was taken to the hospital. 他被送往医院时还活着。
??? Although he is old, he is still very much alive. 虽然年老了，但他仍十分活跃。?
He is the only man alive in the accident. 他是事故中唯一活着的人。
??? Those alive will gather here. 活着的人将在此相聚。
4) live [laiv]
??? (1) (动、植物)“活的”“有生命的”“活生生的”，主要用来说鸟或其他动物，作前置定语；如：a live fish——一条活鱼
a live tiger——一只活老虎
(2) 实况的、现场直播的。如：a live report——现场报道；a live show/broadcast/TV program——现场转播的表演/实况广播/现场直播的电视节目
5) lively意为活泼的、有生气的、生动的。 “生动的”可用作表语、定语，指人或物。如：
??? a lively child——活泼的孩子 a lively description——生动的描述 a lively mind——活跃的头脑；
a lively discussion——热烈的讨论； a way of making one's classes lively——使课堂生动的方法
??? He told a lively story about his life in Africa.他讲述了一个有关他的非洲生活的生动故事。
??? Young children are usually lively. 年轻人通常很活泼。?
11. we will have a chance to talk about… 我们将有机会谈论……
12. make the world a better place 把世界变成一个更美好的地方

【Integrated skills】
1. use both sides of the paper 用尽纸张的两面
2. do a survey做个调查
3. ask sb. about sth. 向某人询问有关……的事
4. sb. be asked about sth.(被动)
5. Here are the results of the survey.以下是调查的结果。
6. do a lot to help protect the environment
7. try our best to do 尽我们的所能去做
8. look nicer with more trees around 周围有很多树看起来更美
9. reduce dust and help keep the air clean减少灰尘和保持空气干净
_____ __________ _______ our health =_____ __________ _______ our health 对我们的健康有害
be bad for/do harm to
harmful adj. 有害的 Traffic fumes are harmful to the environment.
harm v. 损害，伤害 Too much sun can harm your skin.
n. 伤害， 损害 These berries didn’t do him any harm.
Air pollution is harmful to our health.= Air pollution does harm to our health.
be harmed by … 被……伤害
10. keep soil in place 保持水土 in place 在正确位置
Study skills
1. natural resources 自然资源
2. have a wider use有更广泛的用途
3. be dug up from the ground 从地下挖掘出来 dig – dug digging
The children are busy digging in the sand.
dig sth. up 挖掘出；探究 They were digging up potatoes.

【Task】
1. change for the worse 变得更糟 change for the better/ worse 变好/ 变化
for a change 变化一下，变变花样 I usually ride to work, but today I decided to work for a change.
make a change 使不同于以往； 换个口味
2. take steps 采取措施 take steps to do sth =take action to do sth采取措施干某事
3. We should also reuse water if possible 如果可能的话我们也应该重复使用水。
4. in order to save water 为了节约水
5. be in use 正在使用
6. Recycling is also a good way to help reduce pollution. 循环利用也是一种帮助减少污染的好办法。
7. separate waste into different groups 把垃圾分成几类
8. develop a green lifestyle 养成绿色（环保）的生活方式
9. do more exercise 多做锻炼
10. watch less TV 少看电视
11. follow these small steps 按照这几步走
12. make a big difference to the earth 对地球产生大的影响

【词形变化】
1. dig-dug-dug-digging 2. wise-wisely serious-seriously
3. punish-punishes 4. cut-cut-cut-cutting run-ran-run-running
5. different-difference 6. pollute-pollution
7. live-living 8. harm-harmful
9. care-careful-careless-carefully-carelessly 10. simple-simpler-simplest

【知识点小结】
知识点1. Turn off the tap when brushing teeth. 刷牙时关掉水龙头。
用法解析：when brushing teeth=when you are brushing teeth.
Don’t talk with others when eating things.=Don’t talk with others when you are eating things. 吃东西时，不要和别人说话。

知识点2. Recycle empty bottles 回收空瓶子
用法解析：empty – 形容词 空的 反义词为full an empty box 一个空盒子
用法拓展：empty—动词 倒空，倾空 Please empty the rubbish bin. 请倒空垃圾箱。

知识点3. Trees also help keep soil in place during storms.在暴风雨时树木也能帮助保持土壤。
用法解析：in place 在正确的位置
By this week, all these things were in place.截至本周，一切准备就绪。
用法拓展：place v. 放置
Brand folded it in his handkerchief and placed it in the inside pocket of his jacket.
n. 地方，地点 常见短语：take place 发生；进行 take the place of 代替，取代
My wife and I discovered some good places to eat.
She wanted Randy's wedding to take place quickly.

知识点4. They provide home for animals too. 他们也为动物提供家园。
用法解析：provide sth. for sb. = provide sb. with sth. 提供给某人某物
They provide homes for animals. = They provide animals with homes. 他们给动物提供了家园。
用法拓展：offer sb sth =offer sth to sb
supply sth. for sb. = supply sb. with sth

知识点5. They will form over thousands or even millons of years. 他们形成将需要超过成千甚至上万年。
用法解析：form v. 形成
They tried to form a study group on human rights(权利).
form into 使成为……，使组成……
The volunteers formed themselves into three groups. 志愿队员分成三组。
n. 形式，形状；方式；表格 常见短语： in the form of 以…样的形式
You will notice that he frames(架构) his analysis in the form of a debate.

知识点6. We should try to produce less waste, reuse or recycle things if possible. 如果可能的话，我们应该尽力少产生废物，重复使用或者回收利用东西。
用法解析：reuse --- 动词，再使用
It’s important for us to reuse paper. 重复使用纸张对我们来说很重要。
用法拓展：类似的词有 return rebuild recount redo rebirth
用法解析： if possible 如果可能的话 (=if it is possible) 句首，句尾都可以
Call me back this evening if possible. 可能的话今晚给我回电话。

知识点7. Here are some simple steps to take. 这里是要采取的一些简单措施。
用法拓展：simple---简单的， 同义词 easy 反义词 hard/difficult
It’s very simple. You can work it out.
simply adv. 简单地 副词形式将le变为ly
用法解析：类似词: possible—possibly, probable—probably, gentle—gently, terrible—terribly,
comfortable—comfortably
He ate a simple dinner of rice and beans.
用法拓展：step---步骤， 措施
step by step 一步一步地，take steps 采取措施，
We should learning things step by step.
Here are some simple steps to take.
take steps to do sth采取措施做某事
She walked on a few steps.
We should take steps to prevent war.

知识点8. turn off 关上 turn on打开 turn up 调大 turn down 调小
例题训练：It’s time to watch TV. Please turn it _______.
I can’t hear the radio. Please turn it ________.
It’s so noisy. Turn _______ the radio.
Key: on up down


【课堂练习】
( )1.---________________will the meeting begin? ---_______________ eight o’clock.
A. How soon;Not until B. How long;Not until C. How soon;Until D. How long;Until
( )2. The World Cup_____________ two years after the Olympics.
A. is taken place B. takes place C. held D. holds
( )3. Please don’t stand up in class until you________________.
A. were told to B. are told to C. were told D. are told
( )4.---I like my teacher. He is very kind__________ us. ---Oh, that’s very kind__________ him.
A. of, to B. to ,of C. to, to D. of, of
( )5.What_____________it is to go surfing in______________ weather!
A. a great fun; so fine B. a great fun; such a fine
C. great fun; so fine a D. great fun; such fine
6. Sometimes bad weather___________________(产生) natural disasters.
7.You can work out the math problem in this__________________(简单的) way.
8. Don’t drop litter ________________(care), all of us should care about the environment.
9. There are some_________________(different) between British English and American English.
10.If we don’t take action, the waste will_________________(pollution) the lake.
ABBBD
6causes 7simple 8carelessly 9differences 10pollute