1、Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems .Section C思南縣甕溪中學：何曉友思南縣甕溪中學：何曉友Speak out the names of the pollution.air pollutionlight pollutionlitterwater pollutionsoil pollutionnoise pollutionnoise pollutionNoise is a sort/kind of pollution.There are all sorts/kinds of nois

2、es.They make us uncomfortable and unpleasant.n. 種類；種類； v. 把把分類分類adj. 使人不舒服的使人不舒服的adj. 令人不快的令人不快的noises made byLets write down the things that can make noises.pianobuscatwindUnderline the topic sentence of the passage in 1a.Give a proper title to this passage.Try to find out the topic sentence to und

3、erstand the content of a paragraph.Read 1a and complete the following tasks.Noise is also a kind of pollution and is harmful to humans health.Noise PollutionHow does noise harm peoples health?a. People often _ _.b. People often feel _ and _.c. People may become _ or _.d. Your point: _.go deafuncomfo

4、rtablesickunpleasantdeaf3. 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?Answer the questions.“do harm to”.Many teenagers in America can hear no better than 65-yea

5、r-old people do.Because they always listen to loud pop music.1. produce A. to hurt someone2. deaf B. a type or a kind3. print C. not be able to hear4. harm D. to grow or make something5. sort E. to put words or pictures onto paper using a machine1b Read 1a and match the words with their meanings.a.

6、Not all people know noise is also a kind of pollution. _ _ know(s) noise is a kind of pollution _ _.b. Many teenagers in America can hear no better than 65-year-old people do. In America, many teenagers hearing is _ _ _ 65-year-old peoples.Change the following sentences into the ones that have the s

7、ame meanings.Not everyone/some peopleas wellasweak asWHY?Because they always listen to loud pop music. 1a Read and understand.People who work and live in noisy conditions often go deaf.在嘈雜的環境中工作和生活的在嘈雜的環境中工作和生活的人容易變聾。人容易變聾。定語從句定語從句e.g. Beethoven was deaf.go deaf 變聾變聾e.g. He _ _ because of the traffi

8、c accident.went deafdeaf adj. 聾的聾的many of the workers who print newspapers and books lose their hearing.很多很多印刷報紙和書籍的印刷報紙和書籍的工人喪失聽力。工人喪失聽力。定語從句定語從句e.g. Look! The man is printing something.lose ones hearing 喪失聽力喪失聽力a printerhearing n. 聽力，聽聽力，聽覺覺print v. 印刷印刷2 Complete the following passage with the co

9、rrect form of each word. 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 peoples _ (hear). Noise is very _ (harm) to humans _ (healthy).pollutionuncomfortableunpleasantharmhearingharmfulhe

10、althHas noise pollution caused you any problems? If yes, share your feelings with your classmates.What about other kinds of pollution? 3 Choose one kind of pollution and discuss it in groups. The following questions may help you.1. What is pollution?2. What makes the pollution?3. What problems does

11、it cause?4. In what way is it harmful to peoples life?5. What has been done to solve these problems?4 Write a short report about a kind of pollution based on 2 and 3. The topic sentence of each paragraph is given below. pollution is pollution is harmful to peoples healthThe government has tried many

12、 ways to solve the problemOne possible version: Air pollution is becoming more and more serious in todays world. Some chemical factories produce terrible gas and make the air bad. Buses and cars also produce waste gas. In our daily life, burning gas, oil and coal also creates air pollution. The air

13、pollution may cause a lot of problems. It is harmful to peoples health. It can cause breathing problems, sore eyes and even cancer. It can also harm the plants, and the farmers will get less harvest. Luckily, the government has tried many ways to solve the problem, such as making laws to prevent the

14、 factory from polluting the air. 單項選擇單項選擇( ) 1. The little girl was born_, and she cant hear anything. Oh, Im sorry to hear that. A. lazy B. blind C. deaf D. lovely( ) 2. What happened? There is a girl_ on the street. She couldnt find her mother. A. cry B. crying C. to cry D. cries( ) 3. The _ boy t

15、ried to climb up the tree, but he failed. A. 5-year-old B. 5-years-old C. 5 year old D. 5 years old CBA用所給單詞的正確形式填空。用所給單詞的正確形式填空。1. They are doing their homework carefully. Youd better not _(disturb) them.2. It is known that smoking does great _(harm) to us.3. They had all _ (sort) of juice to drink

16、 at the party last night.4. Our government has solved some _ (environment) problems. 改為同義句。改為同義句。1. The boy had hearing loss when he was born. The boy _ _ _ when he was born.2. Some students go to school on Saturdays. _ _ students go to school on Saturdays. disturbharmsortsenvironmentallost his hear

17、ingNot all1. Find out the topic sentence to understand the content of a paragraph.2. Write a passage according to the topic sentences.1. Some words: deaf, print, hearing, loss, recently, disturb,sort, uncomfortable, unpleasant, sentence, meaning2. Some phrases: go deaf, lose ones hearing, hearing loss, no better than, do harm to3. Some sen