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Lesson 33 Life on Wheels
【教学目标】
●知识目标
重点词汇：
pull, able, machine, space, imagine, environment
重点短语：
be able to, thousands of, be full of
重点句型：
1. Everything seems to have wheels, engines or wings.
2. It’s good for my health and for the environment.
3. What does it look like
●能力目标
Enable students to describe life on wheels.
【教学过程】
Step 1: Lead in
Ask the students to discuss the questions in “Think about it”.
Step 2: Listening
Let the students listen to the tape carefully with the following questions:
What does Jeremy talk about
Step 3: Reading
Ask the students to read the test silently. Then have discussion about the following questions in detail:
When did people invent the steam engine
Step 4: Language points
1.Hello,I’m Jeremy.I’m from the U.S.This is my report on transportation. 你好，我是杰里米。我来自美国。这是我 关于交通工具的报告。
on 用于严肃 This book is on 的或学术 science. 这本书是关 性的内容， 较为正式 于科学方面的。about 表示内容 较普通， 不太正式
It’s a story about Lei Feng.那是一 个关于雷锋的故事。
2 .This world is always moving. 世界总是在 前进的。
be always doing 意为“总是做某事”,具 有一定的情感色彩。
如：My father is always smoking. 我爸爸总 是吸烟。
He is always playing computer games. 他总是玩电脑游戏。
Everything seems to be getting faster, too.
1）不定代词everything作主语时谓语动词用单数。
如：Everything is growing in spring. 春天万物生长。
seem 动词，意为“似乎，好像”
seem to do, It seems that +从句seem+adj.Eg.
The boy seems clever.The boy seems to be clever.It seems that the boy is clever.
这个男孩似乎很聪明。
4.In the1700s people invented the steam engine.
invent 动词 “发明，创造” invention 名词 “发明” inventor名词“发明家”
如：Doctor Wang invented the machine.
王博士发明了这种机器。
5.Then steam was able to power boats and cars.蒸汽能够给船和汽车提供动力
1）be able to 意为“能，会”相当于can， 但be able to 有各种时态。如：am/are/is able to, was/were able to, will be able to 等。 The girl is able to play the piano.= The girl can play piano. 女孩会弹钢琴。
2）power 在此是动词，意为“给……提供动力”。
imagine
⑴imagine后接名词或代词作宾语。
Can you imagine life without water 你能想象没有水的生活吗？
⑵imagine后接动名词或名词复合结构作宾语。
I can’t imagine meeting you here.我没想到在这遇到你。
⑶ imagine一般不可接不定式作宾语，但可以接“人称代词+不定式（to be）或形容词”构成的复合结构。
Just imagine yourself (to be) alone on the island. 想象一下你独自一人在岛上的情形。
⑷imagine后接疑问词引导的宾语从句或“疑问词+动词不定式”结构。
We can’t imagine how to use “the flying donuts”.我们想象不出怎么使用“飞行面包圈”。
Step 5: Retell
Retell the test with these phrases. Ask the students to retell in groups, then let them retell together, and then retell in competition.
be able to, thousands of, be full of
Step 6: Exercises
Do these exercises from PPT and Let’s Do It③.
Step 7: Homework
Work in pairs. Imagine the transportation of the future. Then make up the dialogue.

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