2. Unit 2 The Grand Canyon was not just big.

3. fall away 突然向下倾斜 stream 小河，小溪 canyon 峡谷

4. Some wonderful views of the Grand Canyon.

5. 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.

6. The Seven Wonders of The Natural World 美国科罗拉多大峡谷 Colorado, the Grand Canyon

7. 南非赞比西河， 维多利亚瀑布 Victoria Falls, Zambezi Alaska Glacier Gulf National Park 美国阿拉斯加 冰河湾国家公园

8. Everest/Qomolangma Mount 中国珠穆朗玛峰 Mammoth Cave National Park 美国肯塔基州 猛玛洞穴国家公园

9. Russian Baikal Lake 俄罗斯贝加尔湖 美国黄石公园 American Yellowstone National Park

11. shine 照耀 sign 标志, 迹象 silent 安静的 silver 银色的 sky 天空

12. grey 灰色的 ; ( 天气）阴沉的 clear ( 烟雾等 ) 开始消失

13. fall away 突然向下倾斜 stream 小河，小溪 canyon 峡谷

14. Work in pairs. Talk about a great natural wonder you know. Use the words in the box to help you. 1 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

16. Read the passage and complete the table. 2 P4 The Grand Canyon How deep How wide How long one mile about fifteen miles more than 200 miles

17. Read the passage again and choose the correct answer. 3 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.

18. 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.

19. 1. I got out of the car, went through a gate and… 我下了车，穿过一个门 …… go through 有三个意思比较常见： a. 通过、穿过 b. 仔细查看、检查 c. 经历或遭受 ( 不好的事情 )

20. ★ 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）

21. 2. 本课出现了四个使用 look 短语的句子. I looked over them, but it was silent and there was no sign of it. 我朝那片岩石望过去，但是一片寂静， 还是看不见它。 I was looking across one of the wonders of the natural world — the Grand Canyon. 我在眺望自然界奇观之一的大峡谷。

22. 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，我向左右遥远 …… look over 从 …… 上方看过去 look across 眺望；向对面看 look down 向下看 look to one’s left/ right 朝某人的左侧 / 右侧看

23. 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

24. 3. 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。

25. 4.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。

26. 5. 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. 若世界上两座最高的建筑叠放在峡谷底 部，他们仍顶不到头。

27. 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 belowstream through reply

28. 5 P5 Complete the table with facts about a natural or man-made wonder of the world. Name Location Interesting facts

29. Name Location Interesting facts 1) It is one of the Seven Wonders of the Ancient World. 2) It is the longest man-made wonder in the world. 3) The main wall is around 2,145 miles (3460km) long. 4) The most visited section of the Great Wall is in Badaling, close to Beijing. 5) It has often been compared to a dragon. the Great Wall of China in the north of China One possible answer:

30. 6 P5 Imagine you have just visited one of the natural or man-made wonders. Write sentences and describe your experience.

31. ☺ 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 raining when 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.

32. 1. look over/across/down 2. at the bottom of 3. go through 4. on top of 5. A silver stream nearly one mile below me. 6. The Grand Canyon was not just big. It was huge. 本课时主要短语和句型 总结回顾

33. Quiz Ⅰ. 在方框中选择适当的词填空。 huge rise below face get out of 1. Then I saw a man _________ the car and walk into the bank. 2. I hear that her uncle is very rich and lives in a ______ house. get out of huge

34. 3. I live on the fourth floor and Mary lives on the third floor, one floor _______ me. 4. I feel so proud every time I see the national flag ________ slowly. 5. His office _________ south. It gets hot very fast during hot days, even in spring. huge rise below face get out of below rise faces

35. Ⅱ. 从方框内选择适当的介词填空。 behind, in, across, over, along 1. Wait here! I’ll come back _______10 minutes. 2. He takes his dog for a walk _______ the river every day. 3. The little girl was so shy that she hid _________ her mother immediately. 4. Tian Qiang is a good swimmer. He can swim _______ the river alone. 5. The little girl looked _______ the fence at us. across along behind in over

36. Homework 1. Review the use of tenses you’ve learned before. 2. Search for more information about Stonehenge.