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

Unit 6 Nature in words Developing ideas 新标准《英语》高中选择性必修第三册 Activity 1 Look at the infographic below and answer the questions. DDT contamination Facts about DDT: consumed by animals ·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. absorbed by plants filtering into water Ac tivity 1 Look at the infographic below and answer the questions. 1 How does DDT reach the human body in the food chain? When DDT is sprayed onto plants in order to kill insects,it is absorbed by the 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. Activity 1 Look at the infographic below and answer the questions. 2 What harm does DDT cause? 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. Activity 2 11962 2 the damaging effects of human activity 3 more responsible,limited and carefully monitored 4 scientific information,examples and research 5 beautiful and elegant 6 The pesticide industry 7 defend her claims 8 The use of DDT 9 Presidential Medal of Freedom 10 environmental awareness Silent Spring Author: Rachel Carson Year of publication: Purposes: · Carson aimed to alert people to' on natural ecosystems. · She wished to see pestiodes used in a ] way. Features of the book: · Carson wrote a lot of⁴