Unit 1《Past and present》（1）
Welcome to the unit & Comic strip
Do you know the names of these forms of transport?
coach   bus
train   underground
taxi    ship
plane   high-speed rail
Guessing Games
It is the fastest way of travelling to a place far away, but it will cost you a lot of money. (   )
It has two wheels(轮子). We usually use our feet to ride it. And students usually go to school on it. (   )
It travels along a fixed route and has many stops to let people get on and off. (   )
Thousands of people travel to work on it every day, it is faster than a bus but not expensive. (   )
It is a kind of bus, but it is used for carrying passenger(乘客) over long distances(距离). (   )
Transport at different times (P7)
 coach     bus     taxi
 underground  train    plane
Talk about transport at different times
·How did Millie's dad use to go to school?
·Why didn't he take a bus?
读对话
Millie: How did you go to school when you were a student, Dad?
Dad: I used to go to school by bike.
Millie: Why didn't you take a bus?
Dad: Well, there were always too many people on the bus, and it took a long time to wait for the next one.
Millie: Really? I go to school by bus. Now it's easy and fast.
Language points
used to do sth. 过去常常做某事，其疑问句和否定形式可用used/used not或did/didn't构成。
1. He used to stay up late at night.
 Now, he doesn't stay up late any more.
疑问句 Used he to stay up late at night?
   =Did he use to stay up late at night?
否定句 He used not to stay up late at night.
   =He didn't use to stay up late at night.
be used to doing sth. 习惯做某事
E.g.
我习惯于早上六点起床。
I am used to getting up at six in the morning.
他习惯照顾自己。
He is used to looking after himself.
be used to do sth（use的被动语态）被用来做某事
刀子是用来切东西的。
A knife is used to cut things.
Beijing has changed a lot. Everything has changed now. What about Hobo and Eddie? Have they changed too? Ok, let's listen and see, try to answer the following questions.
对话：
Hobo: Oh, where's my food? It was in the bowl an hour ago.
Hobo: Eddie, have you seen my food?
Eddie: Yes. I've just eaten it.
Hobo: What? You've eaten my food? Why?
Eddie: Because I was very hungry.
Hobo: You've changed, Eddie. You used to share food with me!
Eddie: You've changed too. You used to be so kind to me.
Look and answer
1. Where was Hobo's food?
2. What did Eddie do with the food? Why?
3. What does Hobo think of Eddie now?
Fill in the blanks with proper words.
Hobo p______ some food in his b______ and went away. When he c______ back, the food wasn't there any m______. So he asked Eddie, "Have you s______ my food?" Eddie told him, "I have just e______ it." Hobo became very a______.
He thought Eddie was k______ in the past, but now he is very b______. He doesn't want to p______ with him any more.
Exercises
Put the following into English:
（1）一小时之前
（2）和某人分享
（3）过去常常做
（4）我很饿。我想吃一些食物。
（5）Jim变了很多。他现在学习很努力。
（6）我喜欢和朋友一起分享我的快乐。
New words
 past  present  just  used to  since  ever
 northern  married  wife  block  since  over
 turn...into...  pollution  factory  waste  realize
 improve  situation  in some ways  however  impossible
 before  lonely  from time to time  anyway  husband
 interview  all one's life  yet  recently  past
 environment  transport  condition  return  last
 abroad  primary  keep in touch  communicate  communication
 exactly  be/get used to  narrow  open space
Explain the words
marry的用法小结
娶；嫁；结婚；和…结婚
常见用法如下：
一、marry sb. / get married 表示动作
1. He married a pretty girl. 他娶了个漂亮的姑娘。
2. She married a soldier.
Or She got married to a soldier.
她嫁给了一位士兵。
3. They got married last year. 他们去年结的婚。
4. She got married in 1993. 她1993年结的婚。
注：They married last year. 也正确。
但现在人们更倾向于用get married来表示‘结婚’这一行为。
feel a bit lonely 感到有点儿寂寞
 alone adv. 单独，一个人（用作状语）
 lonely adj. 孤独地，寂寞地（作表语或定语）
e.g. 1. 他一个人单独居住，但从不感到寂寞。
  He lives alone, but he never feels lonely.
  2. a lonely girl
turn(change)...into... 把…变成…
The government has turned part of the town centre into a new park.
from time to time: sometimes
all one's life
He spent all his life on education.
keep in touch with sb.
We should keep in touch with him.
Exercise
1. The reporter will ______(采访) you tomorrow.
2. Many birds fly to the ______(北方的) parts every winter.
3. They got ______(结婚) in 1996.
4. There were fewer ______(工厂) in the past than at present.
5. Have you ______(意识到) this serious mistake now?
6. We should remember nothing is ______(不可能).
7. We should be brave enough to face all kinds of ______(形势).
8. They have moved to other areas in Beijing, and I feel a bit _____(孤单) from time to time.
9. We have lived here ______(自从) my father began to work in this city.
10. There is less air ______(pollute) in the small village. I like going there on vacation.
11. Now the rivers in the park are much ______(clean).
12. -- How many ______(街区) are there in your hometown? -- About ten.