(共35张PPT)
1
Unit 2
The Grand Canyon was not just big.
The Grand Canyon
Some facts about the Grand Canyon.
* location: Arizona, USA
* 446 km long
16 km wide (average)
1,600 m deep (average)
* one of the seven wonders of the natural world
* The Colorado River runs through the Grand Canyon.
* The rock found at the bottom of the Grand Canyon is around 2 billion years old.
Now let’s enjoy a video about its fantastic view.
Work in pairs. Talk about a great natural wonder you know. Use the words in the box to help you.
P4
For example:
Changjiang River is the longest river in China. It’s about 6,300 km long. It’s one of the most famous natural wonders in the World. And…
below deep fantastic high long natural shine sign silent silver
Read and answer the following questions:
1. What’s the great wonder of the natural world the writer travelled to see
2. What was the writer’s feeling when he saw the full view of the wonder
The Grand Canyon.
It was not just big. It was huge.
Read the first part carefully and finish
the following:
1.When I arrived, when was it
2.What was the weather like
3. What did I do
It was early morning.
It was raining.
I got out of the car,
went through a gate
and walked along a dark path.
Read the second part carefully and answer the following:
Who did I meet
What does “replied” mean
How soon will I get there
Could I see the Grand Canyon when I came to some rocks Why
A stranger appeared in front of me.
It means ”answered”.
In five minutes.
No. Because it was still too dark to
see anything.
Read the third part carefully and
finish the form:
What to be described What they did
The clouds
The rain
The sun
The ground
I
cleared
stopped
rose, shone
fell away, down to..
looking across
The Grand Canyon
How deep (1)
How wide (2)
How long (3)
Nearly one mile
About fifteen miles
More than 200 miles
Read the fourth part and fill in the form
What question did the writer ask himself
What does the writer think of the Grand Canyon
It was not just big. It was huge. It was the greatest wonder of the natural world.
Is the Grand Canyon the greatest wonder of the natural world
Read the fifth part carefully and
answer the following
Read and choose the correct answer.
P5
1. Where does the passage most probably come from
a) A magazine. b) A grammar book.
c) A dictionary. d) A storybook.
2. Why was there nothing to see
a) Because there was nothing.
b) Because it was too dark.
c) Because it was raining.
d) Because it was in the evening.
3. Which direction was the writer facing while he was looking over the Grand Canyon
a) South b) North c) East d) West
4. What is the writer’s purpose in writing this passage
a) To give facts about the natural world.
b) To say how he feels about the natural world.
c) To tell an interesting story about the Grand Canyon.
d) To attract people to visit the Grand Canyon.
4
P5
Complete the passage with the words in the box.
below mile remain reply sign silent sky stream through
In the dark, there is no (1) _______ of the Grand Canyon, and it is (2) _______. But if you (3) _______ by the Grand Canyon as the (4) _______ gets brighter and look down about one (5) _______, you can see the Colorado River (6) _______ you. It looks like a silver (7) _______ as it passes (8) _______ the rocks at the bottom of the canyon. If someone asks you whether the Grand Canyon is the greatest wonder of the natural world, it may be easy to (9) ________.
sign
silent
remain
sky
mile
below
stream
through
reply
1. I got out of the car, went through a gate
and walked along a path.
★ get out of … 从……内出来; 逃避; 摆脱
We only want to get out of this dark room
as soon as possible.
我们只想尽快离开这个暗室。
get in 进入 get to 到达
get on 上（车等） get off 下（车等）
2. After about a kilometre, a stranger appeared in front of me.
appear vi. 出现
A rainbow appeared after the rain.
雨后空中出现了一道彩虹。
disappear vi. 消失
The sun disappeared behind the cloud.
太阳在云层后面消失了。
3. “Yes,” he replied, “you’ll get there in five minutes.
reply v.回答
reply to sb/sth 回答某人/某事
1). Who can reply to my question
谁能回答我的问题？
2). Why don’t you reply to me
你为什么不回答我呀？
★ reply + that从句 回答到……
I replied that I was unable to help them.
我回答说我帮不到他们的忙。
辨析：reply 与answer
(1). 两者均表示“回答”，一般情况下可以换用。
answer 用作及物动词和不及物动词均可。reply除后接that从句或引出直接引语是及物动词外，一般只用作不及物动词，其后若接名词或代词作宾语，应借助介词to。
He didn’t reply to / answer my question.
他没有回答我的问题。
He replied that he had changed his mind.他回答说他改变了主思。
比较下面两句：
He did not know what to reply.他不知道回答什么。（即:用什么回答）
He did not know what to reply to.他不知道回答什么冋题。（即:对什么作回答）
2). answer除表示“回答”外，还可表示接听（电话）或对门铃等声响作出反应等（常 与 telephone，door, bell, doorbell 等连用），但 reply 不能这样用。
Who answered the telephone 谁接的电话？
3). 两者除用作动词外，都可用作名词。表示“对……的回答（答复、答案）”等，其后均接介词to (不用of)。
Have you had an answer to your letter
你寄出的信有回音了吗？
I received no reply to my question.
我的要求没有收到任何的回复
4. I looked carefully over them, but it was silent and there was no sign of it.
★ look over 从……上面看过去
She looked over the top of the mountain, and
saw rocks in different shapes.
从山顶上看过去，她看见了形状各异的岩石。
拓展：look over 检查
Can you look over my composition for me
你能帮我检查一下我的作文吗？
I looked down to the Colorado River...
我俯瞰科罗拉多河……
Finally, I looked to my left and to my right...
最后，我向左右遥望……
★ look over 从……上面看过去
She looked over the top of the mountain, and saw rocks in different shapes.
从山顶上看过去，她看见了形状各异的岩石。
补充：look over 检查
5. I looked down to the Colorado River about 2,000 metres below me.
★ look down 从……往下看；俯视
6. Then I looked across to other side of the
canyon.
★ look across 向对面看
He often looks across to the mountains in class.
他上课经常看对面的山。
side n. 边，面，侧
on the left/right of …/on one’s left/right
7. Finally, I looked to my left and to my right, and on both sides the canyon went far away for more than 200 miles.
★ look to … 向…… (某个方向)看
Look to the left and to the right before crossing the street. 过马路要左右看。
look 短语小聚
look up 向上看；查阅（字典等）
look to one’s left/right 向……左右看
look down 向下看；瞧不起
look across 向……对面看
look for 寻找
look after 照顾
look over 从……上方看过去
8. Suddenly, the rain stopped and the clouds cleared.
clear v. ① (云或雾) 散开 ② 打扫干净
1). The fog cleared and we saw the whole tower in the end.
雾散了，我们终于看见整个塔了。
2). I have to clear the snow in front of the door
before I go out.
我出门前得把门前的雪打扫干净。
clear adj. 清晰的
We should keep clear minds.
我们必须保持清晰的头脑。
9.The sun rose behind me and shone on the rocks.
(1). rise v. 升起 rise – rose – risen
Everyone knows that the sun rises from the east. 人人都知道太阳从东边升起。
The river rose two metres after the rain.
雨后河水涨了两米。
(2). 辨析: lift, raise与rise.
1). lift指用体力或机械力把某物从地面举到
一 定的高度
The box is too heavy for me to lift.
这个箱子太重了，我举不起来。
2). raise及物动词，当表示“举起”时，可以 和lift互换使用，还可以表示提高职位，工资等。过去式和过去分词都是raised，现在分词raising.
He was raised to an important position.
他被提拔到一个重要的职位。
3). rise是不及物动词，侧重表示由低到高的变化过程，也可指物价“上涨”。过去式，过去分词分别是rose和risen,现在分词是rising.
Prices continue to rise.物价继续上涨。
The yield of rice will rise to 700 kilograms per mu.
水稻的产量将上升到每亩700公斤。
n. 地面
下降；减少
prep. 在……的下面
10. Far below me, the ground fell away and down
to a river.
11. 他站在峡谷的边缘上不敢往下看。
If you put the two tallest buildings in the world on top of each other at the bottom of the canyon, they still would not reach the top.
★ at the bottom of … 在……的底部
The village lies at the bottom of the valley.
这山村坐落在山谷底.
5. Complete the table with facts about a natural or man-made wonder of the world.
Name
Where
How big
Interesting facts
6. Imagine you have just visited one of the
natural or man-made wonders. Write
sentences and describe how you felt when you
visited the wonder.
● Say when you visited it.
I just visited the Great Wall last month.
● Say where it is.
It is in the north of China.
● Describe its size.
It is...
● Say what interesting facts you know.
It is famous for...
● Say what happened when you visited it.
It was in early autumn and we were…
● Say how you felt.
I thought it was the most wonderful sight.
Now write a passage. Use the sentences you have written to help you.
Writing
The Great Wall is one of the great wonders of the world. It was built in the Qin Dynasty and it has a history of more than 2,000 years. It lies in the north of China. The wall is about 6,700 kilometers long and stretches from Shanhaiguan to Jiayuguan. The height of the wall is 7.8 meters, and its width averages out at around 6.5 meters at the base and 5.8 meters at the top. The Great Wall has become a symbol of the Chinese nation and its culture.
