Unit6 When was it invented?

一、重点短语

1. think of 想出 seem to do sth似乎要做

2. have a point 有道理 at that time在那时

3. by accident 偶然；意外地 fall into落入；掉入

4. make tea制茶 less than少于

5. take place发生；出现 around the world 全世界

6. without doubt毫无疑问 the nature of... ......的本质

7. drop into掉进 at a low price以低价

8. advise sb.(not) to do sth劝某人（不）做 all of a sudden 突然；猛然

9. work on从事于 be similar to与......类似

10. by mistake错误地 in the end 最后

11. the Olympics奥林匹克运动会 divide ... into... 把......分开

12. at the same to同时 stop... from doing... 阻止......做......

13. dream of 梦想 the number of ......的数量

14. look up to 钦佩；仰慕 encourage sb. to do sth 鼓励某人做某事

15. take notes 记笔记 decide on 决定

16. come up with想出

二、重点句型

　1. - When was the telephone invented?

- I think it was invented in 1876

2. - Who was it invented by ?

- It was invented by Whitcomb Jubson

Section A 课文精讲精析

1. I think the TV was invented before the car. 我认为电视机先于汽车被发明。

【解析1】：invent v 发明→inventor n 发明家→ invention n 发明

　　熟记：Edison , a great _____________, __________over 1'000__________ all his life.(invent)

　　练习：①.Paper making is a great __________ (invent) of ancient China.

②. I think the light bulb is one of the most important __________ (invent)

③.The car ___________ (invent) in 1885.

【辨析2】：invent/ discover/find/find out

invent 发明 发明的东西是从前没有的 Who invented the steam engine? 谁发明了蒸汽机？ discover 发现 发现的事物是本来存在的或是有人知道的 Columbus discovered America

哥伦布发现了美洲 find 找到 指寻找的结果。是非延续性动词 I am looking for my bike, but I may not find it.

我正在找我的自行车，可是不一定能找到。 find out 找出、查明 指经过观察、调查把某事、某物查出来，搞清楚，弄明白 When he was a child, he liked to find out how things worked. 他孩提时代时，就爱弄明白各种事物的来龙去脉。