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Unit4 The wonders of nature
Section A 3a-3d
Class：________ Name：______________ Mark: ______________
【Learning Objectives】
1.identify key geographical facts about the Yellow River, Yangtze River and Nile.
2. explain how rivers help civilizations develop and suggest ways to protect them.
3. make up new conversations to talk about Chinese geographical features using the target language.
【Learning Procedures（步骤）】
Step 1. Self-study
1. 黄河 ___________________________ 2. 长江 ________________________________
3. 壶口瀑布 ______________________ 4. 世界上最长的河流 ____________________
5. 古代文明 _______________________ 6. 母亲河 ______________________________
7. 不惜一切代价 ____________________ 8. 顺便问一下 __________________________
9. 第二长的河流 ____________________ 10. 流经距离最远 ________________________
Step 2.Pre-reading
1)What is the name of the river mentioned in the video
2)Is it the longest river in China
Step 3.While-reading
1.Read the conversation and underline the three rivers mentioned.(3a)
2.What do Yaming and Ella know about these rivers Read the conversation again and complete the table(3b)
Step 4.Post-reading
1)Listen to the conversation. Then role-play it.(3c)
2)Imagine that you are Yaming or Ella.Continue the conversation with a partner about other geographical features in China.(3d)
Step 5.Language Points
Both the Nile and the Yellow River helped ancient civilizations to develop.
1. civilization是名词，意为“文明；文明社会”
常见搭配：
ancient civilizations(古代文明) modern civilization(现代文明)
develop a civilization(发展文明) destroy a civilization(摧毁文明)
2. develop 作动词
1) 表示 “（社会、经济、国家等）发展；进步”
e.g. China has _____________ rapidly in the past 40 years.（中国在过去 40 年里发展迅速。）
2) 表示 “培养（技能、习惯、兴趣等）”
e.g. It’s important ____________________ good eating habits.（培养良好的饮食习惯很重要。）
3)表示 “（疾病、问题等）出现；发展”
e.g. The problem developed into a serious crisis.（这个问题逐渐发展成了严重的危机。）
3. development是develop的名词形式，意为“发展；进步；培养……”等
the development of ... ……的发展/培养
e.g. The_______________ of technology has changed our daily lives.（科技的发展改变了我们的日常生活。
We should protect them at all costs.
at all costs意为 “ 不惜一切代价；无论如何”
e.g. We must ____________ the environment ____________________.我们必须不惜一切代价保护环境。
You should______________________ this mistake at all costs. 你无论如何都要避免犯这个错误。
Step 6.Exercises
一、用括号中所给词的适当形式填空。
1. The scientists will ______________ (潜水) into the deep sea to study the unusual creatures.
2. We still don't know the exact ________________ (深度) of some parts of the ocean.
3. The Yellow River is very important to Chinese _____________________ (文明).
4. The Taklimakan is the largest __________________ (沙漠) in China.
5. The __________________ (deep) part of the ocean is about 11,000 metres.
6. The __________________ (develop) of ancient Egypt depended on the Nile River.
7. Some deep-sea animals look _____________________ (usual) and even scary.
8. We should protect our “mother river” by all ______________ (mean).
9. The __________________ (bottom) of the sea is dark and quiet.
10. Of all the students in our class, Lucy lives the ________________(far)from school.
二、单项选择。
（ ）1. ______ the Great Barrier Reef and the Amazon Rainforest are world-famous natural wonders.
A. Either B. Neither C. Both D. All
（ ）2. The wind ______ pollen from the garden to the nearby fields every spring.
A. takes B. carries C. brings D. gets
（ ）3. We must keep the old cultural relics safe ______.
A. at all cost B. at all costs C. in all cost D. in all costs
（ ）4. The Pacific Ocean is ______ ocean on Earth.
A. deeper B. deepest C. the deeper D. the deepest
（ ）5. Among all the students, Lisa finished her report ______.
A. earliest B. the earliest C. earlier D. the earlier
三、根据句意及汉语提示完成句子。每空一词。
1. 我们应该竭尽全力保护地球上的每一条河流。
We should protect every river on Earth _______ _______ _________.
2. 长江和珠江都对中国的发展很重要。
________ the Yangtze River _________ the Pearl River are important for China’s development.
3. 在这些交通工具中，飞机的航程最远。
Among these means of transport, the plane _________ __________ _________________.
Step 7. Summary
Step 8. Homework
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