(
课件网) Lesson 4 Key question Why should we learn about the Earth Problems in the environment air pollution water pollution land pollution noise pollution fewer and fewer wild animals waste of natural resources What problems is the Earth facing？ Brainstorming Speaking What environmental (环境的) problems are shown in the pictures catch a lot of fish, fewer and fewer fish in the sea use a lot of dangerous farm chemicals, less and less clean groundwater burn oil and gas to make energy, more and more harmful gases cut down trees, build farms, less and less forest land Problem 1 What do people do (catch a lot of fish) People catch a lot of fish. What’s the result (后果) (fewer and fewer fish in the sea) There are fewer and fewer fish every year. What problem is shown in Picture 1 catch a lot of fish, fewer and fewer fish in the sea Example: S1: What problem is the Earth facing S2: People catch a lot of fish. There are fewer and fewer fish in the sea every year. ... Follow the example and take turns asking and answering questions like this: S1: What problem is the Earth facing S2: People _____. There is/are _____. ... （problems） （result） Group discussion Talk about other problems the Earth is facing by following the same pattern. S1: What problem is the Earth facing S2: People _____. There is/are _____. ... （problems） （result） What can we do to protect the Earth Group discussion Possible answers: We must stop catching too many fish. We must stop using a lot of dangerous farm chemicals. We must stop burning things to make energy. We must stop cutting down too many trees. We must stop throwing away too much rubbish. We must stop putting waste into rivers and seas. We can take our own shopping bags to the supermarket. What can we do to protect the Earth How can we give suggestions We must ... We can ... We should ... We need to ... We had better... It is important to... ... Task: Next week is Green Week. The school website is going to feature some articles on “Our Earth Home”. Your ideas on environmental protection are needed. 一、审题 1. 文体： 2. 人称： 3. 语言风格： 4. 时态： 5. 写作要点：_____ 个要点，包含： 审题 说明文 第三人称 客观描述 一般现在时、现在进行时 三 The Earth is a beautiful planet; The problems the Earth is facing; Things we can do to protect the Earth Think before you write Part 1: Part 2: Part 3: Structure (谋篇布局) What things are there on the Earth Why should we protect the Earth How can we protect the Earth Plan and think Steps: 1. Decide on what you are going to write about. 2. Think of a topic sentence for each part. 3. Organize the information in the notes on page 60. 4. Add details or examples to support the topic sentence. Write your article Part 1: Part 2: Part 3: What things are there on the Earth Why should we protect the Earth How can we protect the Earth There be句型 For example + 例子 supporting sentences Topic sentences 列举措施(action) Pay attention ... ...
