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课件网) 九年级上册 英 语 仁爱版 仁爱版 英语九年级上册 Warming up—Pre-listen ing—While- listening—Post-listening— Exercises —Summary Unit 2 Saving the earth 1 Pollution has caused too many problems. Section D 教学目标： 1. 学习并掌握四会词汇：coal, create, blood, high blood pressure, planet. 2总结污染的种类及其危害。 3.初步学习which 引导的定语从句. 4.引导学生通过阅读不同种类的污染，获取具体信息，进一步提高阅读的能力。 教学重点： 1.本节的短语词组和句型。 2.引导学生通过阅读不同种类的污染，取具体信息，进一步提高阅读的能力。教学难点: 引导学生通过阅读不同种类的污染，获取具体信息，进一步提高阅读的能力。 Warming up There are many kinds of pollution around us, air pollution light pollution litter water pollution soil pollution noise pollution includingincluding It _____ (be) beautiful in the past. Kangkang _____ (go) there two years ago. The flowers and grass _____ (go). Everything _____ (change). Mrs. Zhou _____ (be) like this since last week. She _____ (not see) a doctor yet. was went have gone has changed has been hasn’t seen Simple past 强调过去 Present perfect 强调现在 They are caused by pollution. Grammar I _____ (go) there two years ago. There _____ (be) lots of flowers and grass. What _____ (happen) here I have _____ (be) like this since last week. The flowers and grass _____ (go)! been were has happened have gone went Simple Past ＆Present Perfect Read through Sections A-C and fill in the blanks with thecorrect words. Oh, what a _____! There are several chemical factories _____ waste water into the stream. What’s _____, the factory makes too much noise… Noise is _____ to human’s health. People who work and live in noisy conditions often _____ deaf. …many teenagers in America can hear no _____ than 65-year-old people do, … …does great _____ to people’s hearing. Functions shame pouring worse go harmful better harm Pre-listening learn new words coal [k l] n. 煤，煤块 create [kri ’e t ] v. 造成，创造 blood [bl d] n. 血，血液 high blood pressure 高血压 planet ['pl n t] n.行星 ( ) 1. What is the passage mainly about A. Air pollution. B. Light pollution. C. Litter. D. All sorts of pollution. ( ) 2. _____ destroy(s) the soil. A. Chemicals B. Weather C. Noise D. Industry ( ) 3. How do people feel after they work in strong light for a long time A. Excited. B. Happy. C. Terrible. D. Sad. A D C 1b. Read 1a and choose the best answer. Pollution Cause Effect air pollution burning_____, _____ and _____ _____ eyes and _____ problems soil pollution _____ is everywhere, use too many _____ _____ environment and _____ food noise pollution _____ place for a long time make people _____ and cause _____ pressure light pollution _____ light kinds of _____, bad for _____ 1b. Read the passage and complete the table on Page 34. gas oil coal sore breathing litter chemicals dirty unhealthy work in a noisy deaf high blood strong illnesses eyes 1. They are bad for our health in many ways. They _____to our he ... ...
