仁爱科普版 九年级上册Unit 1 The Changing WorldTopic 3Section A 课件(共19张PPT，无音频)

(共19张PPT)
Unit 1 The Changing World
Topic 3 The world has changed for the better .
Section A
Who can describe Beijing
In the past
Nowadays
What has happened to New York
1b Listen to 1a and tick what was mentioned about New York.
In the past terrible traffic
dirty streets
unfriendly people
dangerous to live
less shopping centers
Nowadays beautiful parks
clean and fresh air
huge markets
famous museums
good schools
excellent restaurants
Read 1a and try to understand the following sentences.
1.You have been in New York for a long time.
2.They used to be, but the city has changed a lot since I came here a few years ago.
3. As a matter of fact, it's a wonderful place to live.
4. You must come for a visit.
= in fact 事实上，实际上
1c Work in pairs and describe New York to your partner based on 1b. You may start like this :
A: How much do you know about the traffic in New York
B: I heard that the traffic there was terrible . Do you have any ideas about the streets there
A: …
You have been in New York for a long time.
for a long time
came to New York
present
past
sb. have/ has been in... 某人一直在……
e.g. I have been in the new school for a week.
for a week
last week
present
past
for + 时间段
..., but the city has improved a lot since I came here a few years ago.
since I came here a few years ago
came here
present
past
since +从句（从句谓语动词用过去式）
e.g. She works in the school since 1995.
since 1995
1995
present
past
since +时间点
e.g. He has waited for Tom since two hours ago.
since two hours ago
8:00
present
past
since + 时间段+ago
10:00
I have worked in the school for three years .
=I have worked in the school since three years ago .
=I have worked in the school since 2011.
=I have worked here since I came to the school .
for+时间段
since+时间段+ago
since+时间点
since+从句
3 Look carefully and think about the differences between since and for in 1a. Then complete the sentences with since or for and listen and check.
1.I have lived in Beijing ______ three years.
______2011.
2. He has waited for Tom ______ two hours ago.
______ two hours.
3. We have learned chemistry ___ one month.
____ the new term
began.
for
for
for
since
since
since
n.化学
n.学期
Fill in the blanks with for or since.
1. His father has been dead ______ he was
ten years old.
2. Michael has been away from the army
______ six years.
3. He has been in Chongqing _______2003.
4. My brother has had a car ______ two
months.
5. Tom has kept a book ______ 5:00 a.m.
since
for
since
for
since
2 Listen to the passage and fill in the blanks with the correct forms of the given words or phrases .
Broadway is a street in New York . It has been there____
1811. It ________ be dirty. But it ____________ since the
1920s. The area near Times Square is the home of
Broadway theaters . There have been many famous
______ along the street for many years . A lot of artists
perform plays , concerts and operas there . Every year
millions of visitors come to enjoy the ________ music and
dance on Broadway . ______________ , Broadway stands for the American theatre industry .
since
used to
theaters
wonderful
As a matter of fact
has improved
n.艺术家
n.参观者
n.产业，工业
theater used to improve wonderful
as a matter of fact since
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.艺术家
n.产业，工业
n.产业，工业
n.参观者
n.参观者
Summary:
1. Some words: block, artist, visitor, industry, chemistry,term
2. Some phrases: as a matter of fact , millions of
3. Some sentences:
1. You will get used to it very soon if you come.
2. As a matter of fact , it’s a wonderful place to live .
3. You must come for a visit .
4. Then you can see New York yourself .
Use the Present Perfect Tense with for and since .
1.You have been in New York for a long time.
2.The city has improved a lot since I came here a few
years ago .
4 Work in groups and talk about the place you pare today’s situation with that of the past. The following dialogs may help you.
A:I have been in … for /since …
B: How do you like living there
A: It is … / Very good. /I really…
B: Was the local traffic terrible /good/…
A: Yes./No, it was … / used to be … in the
past, and now it is …
B: …
Thank You!
millions of 用法：
在英语中hundred , thousand , million , billion等词，当其前面有数词时，它们不加 “s”使用，其后也不用介词of .直接跟可数名词的复数形式。 如：five million people 五百万人
当表达不确定数字时，在它们后面加上 “s”再加介词of使用。后接可数名词的复数形式，表示 “数百” “数千” “数百万” “数十亿”。如：
millions of people 数百万人