(
课件网) Unit 3 The environment Period 1 Reading 下 （沪教牛津版）九年级 Learning objectives 1 Lead in Pre-reading 3 While-reading Post-reading 5 Practice Summary 7 Assessment 2 4 6 8 Homework 9 By the end of the lesson, I will be able to ... 1 2 3 Master the basic usage of some words and phrases; Understand the main content of the article, understand the details of the article; Pay attention to environmental issues and establish environmental protection awareness. Learning objectives 01 Lead in 02 Watch the video and know about the greenhouse effect. greenhouse effect 温室效应 Pre-reading 03 What can you see in this picture atmosphere / tm sf (r)/ n. 大气层 heat /hi t/ n. 热量 What can you learn from the picture Pre-reading 03 A 1 There is an atmosphere 2 It controls 3 However, we are polluting 4 The gases cause the atmosphere 5 The Earth is getting 6 We call this B _____ a the greenhouse effect. _____ b the Earth with harmful gases. _____ c warmer and warmer _____ d to keep in too much heat from the Sun. _____ e around the Earth. _____ f the Earth’s temperature. A1 What do you know about the greenhouse effect Match the first half of the sentences in column A with the second half in column B. Write the correct letters in the blanks. 1 4 5 3 6 2 temperature / tempr t (r)/ n. 温度 harmful gases 有害气体 cause v. 导致 There is an atmosphere around the Earth. It controls the Earth’s temperature. However, we are polluting the Earth with harmful gases. The gases cause the atmosphere to keep in too much heat from the Sun. The Earth is getting warmer and warmer. We call this the greenhouse effect. Let’s read! Pre-reading 03 A2 What is the result of the greenhouse effect In groups, discuss this with your classmates. CO2 and other gases in the atmosphere trap heat, keeping the earth warm. Some sunlight that hits the earth is reflected. Some becomes heat. atmosphere Pre-reading 03 Look at the pictures, the title, the introduction and the sub-headings of the article on page 35. Then answer the questions below. Pre-reading 03 Look at the pictures, the title, the introduction and the sub-headings of the article on page 35. Then answer the questions below. Environmental problems. 1. What is the article mainly about 2. What problems does the article discuss The greenhouse effect, cutting down forests and bad habits. Pre-reading 03 Look at the pictures, the title, the introduction and the sub-headings of the article on page 35. Then answer the questions below. 3. A consumer is someone who buys and uses things. Can you guess what a “green consumer” is consumer n. 消费者 guess v. 猜测 A “green consumer” is someone who only buys and uses things friendly to the environment. 定语从句 形容词短语做后置定语 While-reading 04 The world is in danger Our world is in danger. We must do something to protect the environment. But, what are the main problems we face The greenhouse effect The atmosphere around the Ear ... ...
