Unit 2 Saving the earth. Topic 1 Section C 课件 -2025-2026学年仁爱科普版九年级英语上册

Unit 2 Saving the earth Topic 1 Pollution has caused too many problems. Section C 1.Know and use some words and phrases: deaf, print, recently, sentence, go deaf, do harm to/be harmful to... 2. Get the main idea, structure and more details. 3. Write a short passage about pollution. Learning Objectives: By the end of this class,we'll be able to ... Noise is a sort/kind of pollution. They make us uncomfortable and unpleasant. adj. 使人不舒服的 adj. 令人不快的 n. 种类；v. 把……分类 Pre-reading noise pollution Activity 1 Write down more things that can make noise. noise made by car plane wind cat loud pop music ...... piano printer What do you think of noise pollution? Skim 1a .Circle the words and match the phrases with the words. 1. produce A. to hurt someone 2. deaf B. a type or a kind 3. print C. not be able to hear 4. harm D. to grow or make something 5. sort E. to put words or pictures onto paper using a machine Tip2:猜词义法： 1.通过定义、释义猜测词义； 2.通过同位、并列关系猜测词义； 3.通过生活常识猜测词义。 Activity 2 Activity 3 Read paragrph 1,Underline the topic sentence(主题句） of the passage in 1a. Noise is also a kind of pollution and is harmful to human’s health. Tip:快速阅读文首、文尾，或每段的首句和尾句等，搜索主题线索和主题信息。 Paragraph 1 In today's world, almost everyone knows air pollution is harmful to people's health. However, not all people know noise is also a kind of pollution and is harmful to humans' health. is harmful to+n. =do harm to+n. 对......有害，伤害...... While-reading Paragraph 2 People who work and live in noisy conditions often go deaf. For example,many of the workers who print newspapers and books lose their hearing.Quite a few people living near airports also have hearing loss.Recently,it was reported that many teenagers in America can hear no better than 65-year-old people do, because these young people always listen to loud pop music. no better than=as badly /weakly as 和......一样糟糕/差 Scanning 1a and finish the exercise carefully. How does noise harm people’s health? Activity 4 a. People often ____ ______. b. People often feel ____________ and __________. c. People may become _____ or _____. d. Your point: _____________________________. go deaf uncomfortable unpleasant sick deaf Read the passage carefully and answer the questions. 3. Which phrase has the same meaning as “is harmful to”? 4. Which sentence shows that many teenagers’ hearing in America is not good? 5. Why is the hearing of many young Americans not good? “does harm to”. Many teenagers in America can hear no better than 65-year-old people do. Because they always listen to loud pop music. Activity 5 Noise is a kind of _________ (pollute). Cars and machines produce too much noise. It makes people feel ________________ (comfortable) and __________ (pleasant). It also does great ______ (harm) to people’s _________ (hear). Noise is very ________ (harm) to human’s _______ (healthy). 2 Complete the following passage with the correct form of each word. Post-reading pollution uncomfortable unpleasant harm hearing harmful health Letʹs write a report about pollution _________ is a kind of pollution. Cars and machines produce too much noise. It makes people feel uncomfortable and unpleasant. It also does great harm to people’s _________ . Noise is very harmful to human’s health. summary 1.read, understand and use the following words and phrases: uncomfortable, unpleasant, sort, environmental, including, onto.go deaf, do harm to/be harmful to, lose one’s hearing/ have hearing loss, no better than, cause sb. to do sth 2. get the main idea, structure and more details by skimming, scanning and intensive reading. 3. write a passage about pollution and realize the harm of the noise pollution . Homework: 1. Read new words and phrases. 2. Retell passage according to the key words. 3. Write a passage about pollution. Thank you. 汽车喇叭声 纯音乐 , track 99999, disc 0 35213.215 $$