Lesson 32 Trains Go Faster!
【学习目标】
重点单词:wheel,born,passenger,railway,most,station,standard,speed
重点词组:steam engine,be born,get on/off
重点句式:
1. In 1804,the first train engine was born in England.
2. During the 1830s,countries all over the world started to build railways.
3. People built many train stations to help passengers get on and off the trains easily.
重点:1.谈论火车的发展史。
2.年代的表达。
难点:进一步掌握动词不定式的用法
【导学过程】
一、课前预习 (写出下列词及词组)
1.车轮 2.出生;诞生;产生
3.乘客 4.铁路
5.大多数的;最;最大量 6.站;车站
7.标准;规格 8.速度
9.在18世纪 10.从事;忙于
11.把……放在一起 12.出生,产生,形成
13.两个小时后 14.上车
15.下车 16.按照今天的标准
17.最高速度是
二、课堂学习
Step 1. 自主探究,合作交流
1. 1. Where was the first train engine built
2. When did the first passenger railway open
3. How fast do today’s trains go
4. What might future trains be like
Step 2. 交流展示
Language notes:
1. In the 1700s, many scientists worked on steam engine.
在18 世纪,许多科学家致力于蒸汽发动机。
(1)in the+年代的 (复/ 单)数,意为“在…….世纪/ 年代”
In the 1760s, a scientist in England found a way to put steam engines and wheels together.
在18世纪,60年代,英国的一位科学家发现了一种方法将蒸汽机与轮子结合在一起。
(2)若表示“在…….世纪/ 年代”还可以用in the 年代’s的表达。
In the 1990’s , the young began to worry about the house.
在20世纪,90年代,年轻人开始担心房子。
【温馨提示】
年代前必须加定冠词the.
【拓展归纳】
“in the +几十的复数”表示“几十年代” He became famous in the thirties.他三十年代成名的。
“in one’s + ”则表示“在某人几十多数时”。 He became famous in his thirties.他在三十多岁成名的。
①我奶奶出生于19世纪90年代。
My grandma was born _______ _______ _______.
②Most of us were born_____.
A. in the 1990 B. in the 1990s C. in 1990s D. on the 1990s
2. People built many train stations to help passengers get on and off the trains easily.
人们建造很多火车站来帮助乘客容易地上下火车。
get on and off意为“上下……”,常指公交车(bus),火车(train),轮船(ship)和飞机(plane)等交通工具。
I saw him get on the bus.我看见他上了公共汽车。
After you get off the boat,please call me.你下船后,请给我打电话。
“上小汽车”则要说“ ”,“下小汽车”为“ ”
①他五点钟上的火车。
He ______ ______the train at five o’clock.
②那个妇女和她的孩子上了一辆汽车。
That woman _______ _______ a car with her child.
③他下车和朋友打招呼。
He _____ ______his car and said hello to his friend.
④我们的老师画了一幅图画来帮助我们理解它。
Our teacher drew a picture ______ _______ us understand it.
3. In the 1700s, many scientists worked on steam engine.
在18 世纪,许多科学家致力于蒸汽发动机。
【辨析】work on,work at和work out的辨析
work on 意为“ ”,可与work at 互换,还可以指“继续工作”,
work at 意为“ ”,可用于各种时态
work out 意为“”, 侧重于得出结果。
【学以致用】
①爸爸正在编一本新词典
My father is _______ ________a new dictionary.。
②他喜欢做数学难题。
He liked to ______ ______difficult problems in math.
【知识巩固】
Ⅰ.根据汉语提示完成句子
1.Steve wants to be an (工程师)when he grows up.
2.They visited many places of interest (在……期间)their stay in Hangzhou.
3.The (轮子)of this car are all broken down.
4.Look! A lot of (乘客)are waiting at the station.
5.Can you tell me the (速度)of this kind of new car
II. 根据汉语意思完成句子
1. 约翰正在致力于一个风筝。
John is_______ ________ a kite now.
2. 他把不同的电脑零件搭配在一起。
He ________ different parts of computer _______.
3. 在车停好之前上车是危险的。
It’s dangerous _______ _______ ______the bus before it stops well.
4. 这种类型的火车最高时速是240公里。
This kind of train had ______ ______ ______ _____ 240 kilometres per hour.
5. 在在二十世纪八十年代,许多中国人开始学习英语。
________ ________ ________ a lot of Chinese people began to learn English.
答案:
课前预习
1.wheel 2. born 3. passenger 4. railway 5. most 6. station 7. standard 8. speed 9. in the 1700s 10. work on 11. put…together 12. be born 13. in two hours 14. get on 15. get off 16. by today’s standards 17. have a top speed of
二、课堂学习
Step 1.
1. In 1804,the first train engine was built in England.
2. In 1825,the first passenger railway opened.
3. Today’s high-speed train can travel and about 300 kilometres per hour.
4. Maybe trains will have no wheels in the future, maybe they will ride on the air.
Step 2. 交流展示
1. 复数;几十的复数
①in the 1990s ②B
2. get in /into the car;get out/ get out of the car
①got on②got into③get on it④to help
3. 致力于,从事于;从事某方面的工作;解决,算出来
① working on ②work at
知识巩固:
I. 1.engineer 2.during 3.wheels 4.passengers 5.speed
II. 1. working on 2. puts, together 3. to get on 4. a top speed of 5. In the 1980s