8B Unit 8 单词知识点讲义
1. dig vt. & vi. 挖（洞，沟等）
digging dig-dug-dug
They are digging a hole. 他们正在挖一个洞。
Others like coal, oil and natural gas are dug up from the ground.
2. rious adj. (not joking)；
严肃的
Food safety is a rious problem. 食品安全是一个严肃的问题
The teacher looked rious. 老师看上去严肃
严重的
rious air pollution 严重的空气污染
Don’t worry. There is nothing rious.
认真的
He is rious about his studies.
他对他的学习很认真。
炖牛腩的做法riously adv. 严肃地，认真地
He was riously/badly/very ill. 他病得很厉害
我的文具盒作文take sth riously 认真对待
English is uful. You should take it riously.
3. breadfruit n. 面包果（pl）breadfruit
4. reduce vt. & vi. 减少,降低（make sth. smaller or less in size, price, etc. )
reduces – reduced -reducing
We must do something to reduce air pollution. 我们必须采取措施去减少空气污染。
5. turn off/on（开关）
turn off the light/tap = turn the light/tap off
关灯/水龙头
Remember to turn off the lights when you leave the room.
turn up/down （音量）调大或调小
The music is too noisy. Plea turn it down a little.
雅思考官音乐太吵了，把声音开小点。
turn it/them on 打开它（们） turn it up/down
6. recycle vt . 回收利用，循环利用( treat sth. ud so that it can be ud again)
We can protect the environment by recycling waste.
recycle empty bottles 回收空瓶子
Old shoes and clothes can be _________.
旧的鞋子衣服可以被循环利用。
recycling n. 再循环
Some old clothes are nt to factories for _____.
一些旧衣服被送到工厂回收利用。
7. cau vt . 导致；造成 （make …happen）
What caud the accident.
cau sb to do sth
环保内容大全
What caud you to change your plan? Too many cars cau air pollution.太多的车造成空气污染 cau trouble 引起麻烦
n. 原因
The heavy rain was the cau of the flood.
大雨是导致洪水的原因。
8. wi adj. 明智的，充满智慧的
wi-wir-wist
It’s wi of people to choo public transport or ride bicycles.
人们选择公共交通或汽车是明智的。
wily adv. 明智地，充满智慧地
You should spend your pocket money wily. 你应该理智地花费你的零花钱。
wisdom n. 智慧
Yellow is the colour of wisdom.
黄色是智慧之色。
9. plastic n. [u] 塑料
a lot of plastic 许多塑料
然后我成为了猎人
10. parate vt. & vi. 分开，隔开（put…into different groups）
parate…into 将…分类，分组
Glass, plastic and paper are parated into different groups.
玻璃，塑料和纸被分成不同类。
be parated into… 被分成……
parate…from… 把……和……分开
11. allow（let sb do sth） vt. 允许
allow sb. to do sth. 允许某人做某事
be allowed to do sth.被允许做某事
We are not allowed to cut down trees.
我们不允许砍树。
The children are allowed to watch TV after class. 孩子们课后不允许看电视。
Smoking isn’t allowed in public places.
Children under 18 shouldn’t be allowed to drive cars.
The little was crying becau her mother didn’t allow her the ice cream.
A. eat B. eats C. to eat D. ate
12.cut down 砍倒
They ud to cut down trees but now they are ud to planting trees.
他们过去砍树现在习惯了种树。
cut in 打断，插嘴
Don’t cut in while others are talking.
cut in on sb 打断某某
It’s impolite to cut in on others.
cut out 剪出 cut off剪掉 cut up切碎
cut…into pieces
13. punish vt.处罚， 惩罚 (punishes) punishment n. 处罚
You will be punished if your homework isn’t handed in on time.
如果作业没有按时交，你要受惩罚。
publish sb for (doing) sth
The teacher often punishes the boy for making the same mistake.
他因为犯相同的错误经常被老师批评。
The new traffic rules say drivers mustn’t drive if they are drunk, or they will 意守丹田 .
A. punish B. be punished
C. agree D. be agree
14. fine vt. 罚款
Don’t park your car here, or you’ll be fined.
不要在这儿停车， 否则你要被罚款。
15. limit vt. 限制
There are laws to limit air pollution now.
现在有限制空气污染的法律。
The number of the students is limited here. 走慢一点点
这儿学生数量受限制。
16. depend on/upon 依靠，取决于
We depend on its rich resources to live.
我们依靠它丰富的资源生活。
We must depend on ourlves. Nobody can help us.
我们必须依靠我们自己， 没有人能帮助我们。
We are planning to go for a picnic this weekend, but it the weather.
A. keeps on B. puts on
C. carries on D. depends on
17. rich adj.丰富的， richer-richest
His knowledge is richer than mine.
他的知识比我丰富。
He is a doctor with rich experience.
他是一个经验丰富的医生。
be rich in sth. 在---富有
He is rich in the knowledge of history.
adj.富裕的
The rich should try their best to help the poor.
18. resource n.资源
natural resources 自然资源
Resources like oil, coal can not be produced any more.
韭黄煎蛋像石油,煤炭那样的资源不可以再生。
Do we have enough resources?
19. run out 用完 耗尽
The money has run out. So we have to walk home. 钱用完了，所以我们不得不步行回家。
