Unit 2 Topic 1 Section D（同步课件）-2023-2024学年九年级英语上册同步精品课堂（仁爱科普版）

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 [kəʊl]   n. 煤，煤块 create [kriː’eɪt ]  v. 造成，创造 blood [blʌd]  n. 血，血液 high blood pressure 高血压 planet ['plænɪt] n.行星 ( ) 1. What is the passage mainly about? A.