Unit 6 Nature in words Developing ideas Reading 课件-2023-2024学年高二英语外研版（2019）选择性必修第三册

外研选择性必修 第三册 Unit 6 Period 4 Reading 教学目 Lead-in Do you know the woman and her book? Share with your class. 1 2 To get the main idea of the passage, understand what comment the author made to Rachel Carson, and think over what messages the book “Silent Spring” conveys To use the key language points from the passage correctly 学习目标 目标一: To get the main idea of the passage, understand what comment the author made to Rachel Carson, and think over what messages the book “Silent Spring” conveys Activity 1: Look at the infographic below and answer the questions. • DDT was first produced in 1874 and was later used as pesticide.• It stays in the environment.• It is highly poisonous to living organism, including humans.• Now banned in many countries, it is still used in some for malaria control. 1 How does DDT reach the human body in the food chain? 2 What harm does DDT cause? When DDT is sprayed onto plants in order to kill insects, it is absorbed by plants and subsequently consumed by animals; humans in turn eat those animals. DDT also leaks through the soil and into rivers and lakes, where it contaminates fish consumed by humans. DDT is highly poisonous to living organism, including humans. Activity 2: Read the book review on Silent Spring, a book that led to the banning of DDT. Predict what will be mentioned in the passage. Now read the passage and check your prediction. It is a book review on Silent Spring, so the following parts may be mentioned in the passage: 1) basic information about the book, including the author, year of publication, theme and main idea; 2) the reason why this book is published; 3) features of the writing; 4) comments on this book; 5) influence of this book. Activity 3: Read the passage quickly and find out the main idea of each paragraph. Para. 1 ______________________________________________Para. 2 ______________________________________________ Para. 3 ______________________________________________ Para. 4 _______________