牛津上海版九年级英语上册Unit4词汇、语法知识点归纳及练习题Key words
1.screen n. the flat surface at the front of a television or computer, on which you e
pictures of information 屏幕
< My parents and I were staring at the television screen.
Can you print out this screen for me?
A cinema movie screen.电影屏幕
becau you have en or heard them before. 辨认出、认识
I didn't recognize my teacher becau we haven't en each other for ten years.
3.desktop n. a computer with a keyboard screen and main processing unit, that fits on a
desk 台式电脑
< This company has bought a few desktops recently.
4.laptop n. a small computer that can be easily carried便携式电脑
I have two computers warm as a desktop and the other is a laptop.
5.operate v. u of control a machine or make it work. 操作、控制、运行
写出一副春联
<
I have to read the instructions before I operate this washing machine.
Some people can only operate well under pressure.
【联想】operate动手术
< He was riously injured and needed to be operated on.
【联想】operation手术
His operation was very successful.
6.aeroplane n. a flying the call with wings and one or more engines. 飞机
< More and more people take aeroplane to go too far places.
7.spaceship n. a vehicle that travels in space, carrying people宇宙飞船、航天器
< My dream is to operate a space ship.
【联想】space 宇宙
< I know nothing about outer space.
8.for the time being. 暂时、眼下
< The price of the pork is high for the time being.
9.at prent 目前、现在
< Mark isn't here at prent. He has gone to Thailand.
< He doesn't know the meaning of this article.
The word has veral meanings.
【联想】mean v. 意思是
< I know what you mean.
【联想】Meaningful adj. 意味深长的
< He give me a meaningful look.
【联想】meaningless毫无意义的
< He is always doing meaningless things.小猴子图片
< Soldiers must obey the captain commands.
I can give commands to the computer.
12.palmtop, a small computer that can be held in the palm of one hand. 掌上电脑、
< There are a lot of companies which produce palm tops at the moment.
13.tiny adj. very small in size or amount. 极小的微小的
< This book is extremely tiny.
The cage is so tiny that it can't hold two rabbits at the same time.
14.unaware adj. not knowing or realizing that something is happening or that something
exists. 没意识到，未察觉
< He was unaware of the coming shark.
He was completely underwear of the whole affair.，
【联想】be unaware of. 没意识到、未察觉，
< We were underwear of the danger behind us.
演奏的英文15.depend v. ud to say that you are not certain about something becau of the
things have to be considered. 依靠、依赖
< I might not go it depends how busy I am.
I can't tell you the time when I will arrive, it depends whether the traffic is good or bad.
【联想】dependent adj. 依靠的、依赖的
< You can't be dependent on your parents or your life.
【联想】dependence n. 依靠、依赖
武侠校园
< Our relationship was bad on mutual dependence.
【联想】depend on 依靠依赖
< He is the person you can depend on
His living condition depends on his salary.
< adj. happening often 常见的、普遍的
< Mike is a common English name.
It is a common spelling mistake.
【联想】in common共同、共有
< Jane is my best friend becau we have something in common.
17.knowledge n. the information understanding and skills that you gain through education
or experience.知识、学问
< He has a wide knowledge of physics and math.
【联想】know v. 知道了解，。
< She's very nice when you get to know her.
As we all know the greenhou effect is becoming more and more rious.
【联想】unknown adj. 未知的，不详的
< She's angry for some unknown reasons.
This is a kind of unknown inct.
< knowledge 常识
< It is common knowledge that light travels faster than sound.
It is common knowledge that whales are the biggest animal in the a.
19.rarely adv. 罕有、很少、不常
< We could rarely agree with each other.
The famous actor is rarely en in public nowadays.
【联想】rare v. 稀少的稀罕的
< It is rare to snow heavily in the ason.
I was lucky together real coin yesterday.
He ud to smoke a lot but it ldom smoke now.
20.print v. Produce letters pictures on paper using a machine that puts income on the
surface. 打印、印刷
< Don't forget to print your address on the top of the letter.
Could you plea print the letter out for me?
【联想】printer打印机
< A printer should be connected to a computer.
10度
The book is very popular and it is in its sixth printing.
21.importantly adv. 重要地
中班美术活动教案< More importantly he can be trusted.
【联想】important adj. 重要的
< Money plays an important role in our daily life.
教育基础知识It is important for him to attend the meeting.
【联想】importance n. 重要性
< She stresd the importance of this project again and again.
22.writing n. Writing books articles in general 文章、著作
< This is his best piece of writing.
Do you have a habit of keeping travel writing?
23.aware adj. Knowing of realizing something. 意识到
< We were well aware of this problem.
【联想】awareness n. 意识、认识
< He showed a lack of awareness of the importance of learning English.
。
Key Sentences:
1.Since then computers have become smaller and smaller.
✧句中since then意为“自那时起”，当since表示从过去的一个时间点延续至说话的现在
时，通常要求主句中的动词使用现在完成时，而since引导的从句的使用一般过去式，如:
We’ve been friends ever since we left school.
✧但是当主句的谓语动词为be或em时，则主句就可以使用动词的一般现在时。当be
表示与时间的词语连用时尤其如此。如：
It's a long time since I met you last time.皮肤粗糙
✧since和for均可用来表示某事开始了多久，具体的说要表达从某个时间开始可用
