八年级英语上册第七单元知识点

八年级英语上册第七单元知识点

一、重要词汇

1．turn on 打开Mike turned on his computer and checked his e-mail .

My father asked me not to turn on the TV.

turn off 关闭He didn’t turn off the radio , instead he turned it up .

turn up 调大, 调高Please turn it up , I can’t hear clearly .

turn down调小, 调低Please turn down the TV . The baby is sleeping .

Your radio is too loud. Would you mind turning it down ?

2. cut up == cut … into pieces 切碎

Tom , please peel three bananas and cut them up \ cut them into pieces .

We must cut up these apples . 和有关的短语：cut one’s hair 理发cut down 砍伐

Cut off 切断cut in 插嘴

3．drink (1) 动词，“喝，饮，喝酒”

I’m thirsty . I want to drink some water .

They drank a lot of beer.

drink \ drink to 为…..祝贺，为……干杯

Let’s drink success to them .

All the family drink to the health of the old grandfather . 表示“喝水”用drink ；用汤匙喝汤用eat ；用水“服药”用take

Please eat more soup .

Take this medicine three days a day .

(2) 名词，“饮料”

We’ll have a picnic tomorrow . I have to buy some food and drink .

4. pour 动词，“倒，倾倒，灌，浇”

pour sth Can you pour the dirty water outside ? pour sb sth. would you like me to pour you a cup of tea?

5. put …into (1) 把……放进……== put …in…

She puts her books into her bag .

We put some milk into the tea .

(2) 把……译成……== translate … into …

Please put these sentences into Chinese .

和有关的词组：put away 把……收起来放好put up 支起，举起

Put on 穿上put down 放下put off 推迟put out 熄灭

6. peel （1）动词，“剥，削”peel sb. sth=== peel sth for sb. 给某人削果皮

Please peel an apple for the child .

=== please peel the child an apple .

(2) 不可数名词，“水果皮，蔬菜皮”

apple peel orange peel potato peel

7. first, next, then , finally 都是表示先后次序的副词。

(1) first “首先”，位于句首或句末。有时用first of all 替换表达。

First , we had better make a plan . Who got to the finishing line first ?

First of all , you must get some information of that city .

(2) next “其次, 接下来,下一次”，可位于句首，句中，句末。

Do you know what to do next ?

When you next meet her, you should say sorry to her .

(3) then “然后，其次”，常与and 连用。

We stayed for a while and then it was dark .

He stopped suddenly and then fell on the ground .

(4) finally “最后，终于”===at last

Finally , they won the cup .

He missed the bus , so finally he went to school on foot .

8. at last, finally, in the end

(1) at last, 指时间的“最后，终于”

He has finished reading the novel at last .

(2) finally , 指一系列事物或论点的“最后”

First, we’ll learn the new words , then the next,

Finally we’ll do some exercise .

(3) 不明确强调时间或事物的“最后”时，at last 和finally可以通用。At last\ finally , I understood him .

(4) in the end , 表示经过努力之后，可用于将来时；at last, finally 则不可以。有时候，in the end == at last

9. mix 动词，“使混合，掺合”常用结构mix A with B. 或mix A and B together

Mix the eggs and sugar together in the bowl .

If you mix blue with yellow , you get green .

mix up, “搅和，拌和，混淆，搞混”

Mix up the tomatoes with the sugar .

I’m always mixing her with her twin sister .

10.add …to …把……加到上……Add some salt to the noodles .

The fire is going out . will you add some wood to it ?

11. how many “多少”，用来对可数名词的数量提问。

How many apples do we need ?

How many teachers are there in your school ?

how much “多少”，用来对不可数名词的数量提问。

How much milk do you need ? How much bread should I buy ?

how much 还可用来提问价格或重量，也可修饰动词用来说明程度。

How much is the book ?

---How much are the vegetables ? ---- It’s two kilos .

You don’t know how much I miss you .

12. like doing sth 喜欢做某事（经常性的喜欢）I like watching tv.

like to do sth 喜欢做某事（具体某次）

I like to play basketball this afternoon . like还可作介词，表示“像……一样”

She looks like her mother .

He runs like a lion .

I want to be a teacher like Mr Zhang .

feel like sth \ would like sth 想要某物

I feel like some fish and chips for supper .

It’s so hot . I feel like a swim .

Would you like some help ?

feel like doing sth 想要做某事

I feel like sleeping \ taking a walk .

I don’t feel like walking too much today .

Do you feel like having something to drink ?

would like to do sth. 想要做某事，愿意做某事

What would you like to do now ?

I would like to have dinner with you .

13. chicken (1)不可数名词，“鸡肉”

I had some chicken for supper .

(2)可数名词，“小鸡”，复数形式为chickens .

A young chicken is called a chick (雏鸡) .

14．On the top 在上方，在上面，top作形容词或名词

At the top of the mountain the top of a page

Come out on top 成功，获胜

He is at the top of his class in Chinese .

I live on the top floor .

15. help (1) 不可数名词，“帮助”

Thanks for your help .

(2)及物动词，“帮助”

Thanks for helping me . Can I help you ?

(3) help yourself . 请自便, 请随意。

---Excuse me, can I borrow your bike ?

---- Of course . Help yourself .

(4) help yourself \ yourselves to sth 随便吃点……

Help yourselves to some apples , boys and girls .

(5) with one’s help === with the help of 在某人的帮助下With Mr’s Zhang’s help, he makes great progress .

With the help of Mr Zhang , he makes great progress .

16. check 动词，“检查，调查，核对”，后面直接跟名词作宾语。

Did you check your homework ?

You should check your exam paper before you hand in . 二、祈使句