2017年广州版英语八年级上册第四单元Unit-4-Inventions课文知识详解及语法详解.docx

1、第七讲Unit4知识探究Step one Getting ready 1.Listen to advertisements for four funny inventions.advertisement 可数名词“ 广告”an advertisement advertisements 缩写为 adseg. They will put an advertisement in the newspaper.There are too many advertisement on the TV.advertising 不可数名词 “广告，广告业”，是广告的总称。eg. Advertising is ev

2、erywhere. advertise 动词， “做广告，登广告”可做及物或不及物动词。eg. They advertised the new car.He advertised for a new job.1. 大街上有很多广告。_2. 李雷为自己打广告。_funny 形容词“ 有趣的” ，在句中作定语或表语。fun 名词 “乐趣”eg. He told me a funny story.I think the film is very funny.We had a lot of fun at the party.拓展：funny money 伪钞 funny paper 连环漫画栏funn

3、y car 腊肠型赛车 funny farm 精神病院 funny book 连环画刊1.你真是个有趣的女同学。_2.Write a short article about a new invention that you will create.create 及物动词 “创造，创作” 指经过努力让事物从无到有或从粗糙到完美，对象可以是具体的或者抽象的。eg. He created many famous plays.He created the wonder.拓展：create 作可数名词 “创造物，作品”作不可数名词 “创造，创建 ”creator 可数名词 “创作者”creative 形

4、容词 “有创造力的”eg. The creator created the creation. He is creative.辨析：create 与 makecreate 创造出原来不存在的东西 make 通过工作制造出某种东西eg. Who created the world.He made the watch.1. 达芬奇是一个创作家，他创造了许多名画。_.【随堂练】：一、用所给词的适当形式填空。He is an (invent),he (invent)lots of (invent). 2. She_ (born) in China. 3. She (realize) she was w

5、rong yesterday. 4. The p is so high,it is so e . 5. Surfing the internet is p among teenage. 6. The idea is p ,we will take this idea. 7. This toy is s ,and I have never seen it before. 8. She created many famous works,and she was .(create)二、完成句子1. 自那以后,我就已经学会照顾自己., I have learned to take care of my

6、self.2. 我们已经三年没有联系了.We each other for three years.3.请远离毒品,学会保护自己.Please drugs, and learn to protect yourself.4.我们很相爱,同时,我们互相照顾对方.We love each other, we take good care of each other.5.勤劳在白天,作息在晚上.Work ,and rest at night.Step two Reading& listening3 telephone可数名词 “电话，电话机” 缩写形式 phoneeg. I dont have a t

7、elephone.Tony often talks with me on the telephone.动词 “打电话 ” eg. I telephone my grandma every week.拓展：“给某人打电话 ”表达telephone/phone sbcall sb (up)give sb a callmake a telephone call to sbeg. I often telephone/phone my parents on weekends.Please call me (up) this evening.Please give me a call when you g

8、et home.My best friend often makes a telephone call to me.1.到家了就给我打电话。_4.They help people live a better life.live 及物动词 “过的生活” live a lifeeg. live a good/rich/poor life.1.我们过去过着贫穷的生活。_5.After its invention, traveling became faster and more fortable 形容词 “舒适的，舒服的 ” 反义词 uncomfortablecomfort 名词和动词 “舒适，安慰

9、”comfortably 副词eg. I like comfortable life.I feel uncomfortable now. I want to go home.The new car becomes more comfortable.中考链接：What he said made everyone feel .A. comfort B. comfortable C. comforting D. comfortably6.In the early 19th centurycentury 可数名词 “世纪，百年” 一世纪指一百年，不指具体时间，只指时间段eg. He was born

10、in the 20th century.Two centuries later, people still remember him.拓展：twentieth-century “20 世纪的” 是一个序数词+名词构成的形容词，作定语。“在第几世纪 ”必须用序数词，而且应在序数词前加定冠词 the eg. It was a twentieth-century invention.in the 21st centuryin the mid-19th century/in the middle of the 19th century7.Alexander Graham Bell invented o

11、ne of the first practical telephones in 1876.invent 及物动词 “发明”eg. Do you know who invented computer? He invented a green car.辨析 invent 与 discoverinvent “发明” 指客观上没有，发明以前未曾有过的东西，如新工具，新方法discover “发现” 指发现客观上已经存在，但不为人知的事物eg. Gilbert discovered electricity, but Edison invented the electric light bulb.8.Si

12、nce then, people have been able to speak to each other over long distances.distance 可用作可数名词和不可数名词 “距离”eg. Keep a safe distance between cars.What is the distance from here to your school?拓展： 与 distance 相关的表达at a distance 隔一段距离 in the distance 在远处from a distance 从远处 out of distance（from）离太远，达不到9.They

13、allow people to keep in touch with each other anytime, anywhere. allow 及物动词， “允许”allow sb to do sth “允许某人做某事” 动词不定式作宾语补足语。eg. My parents dont allow me to go out at night.Do you allow us to watch TV?拓展：allow doing sth 允许做某事be allowed to do sth 被允许做某事eg. He doesnt allow smoking here.Passages are not a

14、llowed to smoke.中考链接：Take time to relax by listening to music, reading a book or just spending some time alone. Relaxing allows you to your studies with more energy. A. return B. to return C.returningkeep in touch (with sb) “与保持联系” = stay in touch (with sb)eg. We should keep in touch with each other

15、.Well always keep/stay in touch.10.Thomas Edison developed the first practical light bulb in 1879.develop 及物动词 “开发，研制”eg. We need to develop solar energy.They are developing a new car.拓展：develop 还可用作不及物动词， “发展”developed 形容词 “发达的”developing 形容词 “发展中的”development 名词 “发展，开发”eg. Everything develops.The

16、US is a developed country, India and China are developing countries.中考链接：Its helpful to a good habit of reading in language learning.A.take B.show C. develop D.math11.With light bulb, people can do as many things in the evenings as they can in the daytime.daytime 不可数名词，意为 “白天，日间” in the daytime 在白天T

17、igers and foxes often sleep in the daytime.He works in the daytime and helps me with my housework in the evening.12.the new cars made loud noises and frightened them.make noises “发出噪音，弄出声音” make （a ）noiseDont make noises. Your father is sleeping.辨析 noise, voice 与 soundHe always makes loud noises.She

18、 often talks in a low voice.Light travels faster than sound.中考链接：Stop making so much . The children are sleeping.A. voice B. noise C.soundnoise 噪音，喧闹声 指吵闹、喧哗声，往往是不和谐、不悦耳的声音voice 噪音 尤指人或动物特有的声音，如说话声、歌声、笑声等sound 声音 泛指自然界中的一切声音13.I suppose that people could only drive in the(4)daytime because those car

19、s didnt have lights.suppose 及物动词 “认为，猜想，想象” 后接从句作宾语，常和“suppose+sb+（+to be）+形容词/ 名词”结构作同义句转换。suppose，think，believe 等后跟宾语从句时，主句的主语是第一人称时，若变为否定句，必须否定前移，即把否定句转移到主句上来。Do you suppose Yes, I suppose so / No, I suppose not 或 No, I dont suppose so.eg. I dont suppose he is thirty.- Do you suppose it is going

20、to rain?-Yes, I suppose so / No, I suppose not 或 No, I dont suppose so.拓展：be supposed to do “被要求做某事，应该做某事，被期望做某事”相当于 should do sth eg. Teachers are supposed to know a lot.中考链接：You are to type quickly when talking to each other on QQ so the other person doesnt get bored.A. suggested B. supposed C. ta

21、ught D. supported【随堂练】：一、完成句子1. 她住在乡村,我住在城市.She lived ,and I lived in city.2.我们一起走一下吧.Let,s .3.很久以前,这里住着公主和王子.,princess and prince lived here.4.不好意思,我没意识到我错了.Sorry, I I was wrong.5.我已经三年没有跟她联系了.I haven,t already her.二、用 good,bad,as.as.填空。1.Who got a （good） mark in PE,Mark or Mary?2.Who got a （bad）ma

22、rk in PE,Mark or Mary?Mark got a better mark in PE.3. Whose home is （far ）from school,Mark,s or Mary,s?4. Who got a （good）mark in PE in your class?5. Who got a （bad）mark in PE,in your class.6. Whose home is （far ）from school,Mark,s,Lintao,s or Mary,s?7. Her computer was as （good）as mine.8. The machine can produce as (much) production as hers9. The computer was (good) than that one.Step three-Listening 讲解