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

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 ads
eg. They will put an advertisement in the newspaper.烟花生产
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 everywhere.
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   funny paper  连环漫画栏
      funny 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 形容词 “有创造力的”
eg. The creator created the creation. He is creative.
辨析:create 与make
create 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 wrong 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.
        短期负荷预测       , I have learned to take care of myself.
2. 我们已经三年没有联系了.
We                               each other for three years.
3.请远离,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& listening
3  telephone
可数名词 “电话,电话机”缩写形式phone
eg. I don’t have a telephone.
Tony often talks with me on the telephone.诺基亚cdma
动词 “打电话” 
  eg. I telephone my grandma every week.
拓展:“给某人打电话”表达
  telephone/phone sb
  call sb (up)
  give sb a call
  make a telephone call to sb
    eg. I often telephone/phone my parents on weekends.
    Please call me (up) this evening.
    Please give me a call when you get 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 …life
eg. 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 comfortable.
comfortable 形容词 “舒适的,舒服的” 反义词 uncomfortable
comfort 名词和动词 “舒适,安慰”
comfortably 副词
eg. I like comfortable life.
  I feel uncomfortable now. I want to go home.
  The new car becomes more comfortable.
CCSVC中考链接:
  What he said made everyone feel        .
A.comfort    B. comfortable  C. comforting  D. comfortably
6.In the early 19th century…
century 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 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 century
  in the mid-19th century/in the middle of the 19th century
7.Alexander Graham Bell invented one 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 discover
invent “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,但不为人知的事物杨梅采摘机
eg. Gilbert discovered electricity, but Edison invented the electric light bulb.
8.Since 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

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