Unit 1 The Changing World Topic 2 Section C课件-2025-2026学年仁爱科普版英语（2012）九年级英语上册

Unit 1 The Changing World Section C Topic 2 The population in developing countries is growing faster. 一、掌握以下单词：social, supply, natural, worse, so far government, take measures to do sth, thanks to sb/ sth等。 二、Key sentences： ⑴… and about one fifth of the people in the world live in China. ⑵…our government has taken many measures to control the population. ⑶Thanks to the policy, China is developing quickly and people’s living conditions are improving rapidly. 三、强化练习现在完成时的用法。 四、谈论世界和中国人口问题。 Language goals 重点探究 1a Read and understand. 7.2 billion Discuss the questions with your partner. What social problems do you think China’s large population caused? Listen to 1a and write the title for the passage: Population Problems ______________________ New words: 1. social adj. 社会的；社交的 2. worse adj. 更差的，更糟的 adv. 更差，更糟 3. supply v. 提供，供应 n. 供应量；补给；供应 4. so far 到目前为止 5. government n. 政府，内阁 6.take measures to do sth. 采取措施做某事 7.thanks to 幸亏，由于 New words: 8. natural adj. 天然的；天生的 9. paragraph n. 段；段落 10. opportunity n. 机会，时机 11. newborn adj. 新生的，初生的 12. percent n. 百分之...... 13.offer v.提供（东西或机会）；主动提出 Read 1a and match the main idea with each paragraph. 1. _____ Paragraph 1 2. _____ Paragraph 2 3. _____ Paragraph 3 A. the better situation in China now B. the world’s and Asia’s population C. the problems caused by large population B C A Reading Read Paragraph 1 and tell True or False. ( )1.The world’s population is 6.8 billion now. ( )2.Almost 50% of the world’s population live in Asia. F F The population in developing countries is larger than that in developed countries. China has the largest population. What problems does the largest population cause? It’s 7,898,236,143. What’s the population of the world? What a large population! Because of the large population, 1. there is ________________ (更少的生活空间) for each family. 2. it’s difficult for people ___________(找工作). 3. it’s hard for China to supply water and energy to _______________________(满足人们的日常需求). 4. most cities are _____________, and the traffic is much ________. less living space to find jobs satisfy people’s daily needs more crowded heavier Read Paragraph 2 and fill in the blanks. What problems does the large population cause? 一、阅读1a，补充所缺信息 Title:　Population　Problem  Population of the World 2.　7.2 　billion in 2015  Population of Asia over 3.　4/four　billion now  Population of China about 4. 　one fifth/1/5　 of the world Population 7.2 4/four one fifth/1/5 Social problem less 5.　living space 　  fewer 6.　 job　opportunities  less 7.　energy　 and 8.　water 　  more crowded 9.　cities 　  heavier 10.　traffic　  the 11. 　large　  population Government measures work 12.　well　  living space job energy water cities traffic large well Read 1a together and find the language points in the passage. 英文分数表达法：分子用基数词,分母用序数词,分子大于1，分母用复数,一般直接在词尾加S. 【其中】half意为“一半，1”，相当于one second; a quarter意为“1/4”，相当于one fourth。 【注意】分数(或百分数)作主语时，谓语动词的形式由分数(或百分数)后面的名词来确定。当是单数名词或不可数名词时，动词用单数形式;当是复数名词时，动词用复数形式。 one sixth one twentieth five sixths six twentieths One fourth of the sand wet. One third of the students in my class boys. is are 　　◎学法指导:学会罗列提纲来总结文章，可以更好地理解和掌握文章内容。 用方框中所给词或短语的适当形式填空，每空限填一词，每词限用一次 because around mistake lie call| general build excited weight he 阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。 Read 1a together and find the language points in the passage. supply (v.) 提供，供应 supply sb. with sth. 提供某人给某物 supply sth. to sb. 提供某物给某人 1. The government supplied some free textbooks to the village schools. 2. The government supplied the village schools with some free textbooks. supply (n.) 供应量，补给，供应 有成效 Reciting texts every day has worked well in learning English. 1. _____ of the students are boys in our school. A. Two third B. Two threes C. Two thirds D. Second three 2. The one-child policy has _____ controlling China’s population. A. been good at B. done well in C. taken care of D. worked well in 3. Edison is known _____ a great inventor. A. for B. as C. in D. on 4 ._____ your help, I made great progress in math. A. Thanks for B. Thanks to C. Thank to D. Thank for Test for goals Every minute, about 261 babies are born in the world. That means people have to _____ food for about 375 840 newborn babies every day. The world’s population _______________ faster and faster. It has _______ one of the biggest social problems today. China ______ the largest population in the world. There are about 1.3 billion people in China. It has ________ 20 percent of the world’s population. China has ____________ some policies to control the population, and these policies have _______ well. But China still _______ a serious population problem. 2 Complete the following passage with the correct forms of the given words or phrases. find grows/ is growing become carried out reached grow reach have find work become face carry out has worked faces Read 1a together and find the language points in the passage. “多亏了… …，由于… …的帮助”to是介词，后接名词或代词。 相当于：because of…或with the help of… “比较级+and+比较级”，意为 “越来越……” The weather is getting colder and colder. ◎学法指导:做语法类填空题时，可以先浏览一遍全文，掌握大意，然后由易到难，找准考查点，逐个击破。 Summary We learn: 1. Read the fractions in English. 2. Talk about population problems. We can: 1. Some words: social, supply, natural, worse, government, paragraph, opportunity, newborn, percent, offer 2. Some phrases: half of, one fifth, because of, satisfy people’s daily needs, so far, take measures to do, be known as, work well in, thanks to 3. Some sentences: We still have a long way to go. 1. These measures _______ _______ well in ____________ (已有效地保护) our homeland. 2. _______ _______ (因为) the fine weather, my son can play in the open air. 3. ____ ____ (至今), he has learnt about 1000 words. 4. How will you _______ _______ (处理) your life and your work? 5. _______ ____________ (自然环境) are becoming worse and worse in the world now. have worked protecting Because of So far deal with Natural environments Homework 2. Write the composition in 3b. 1. Read 1a aloud. 3. Finish Section C in your workbook. 4. Preview Section D. null 108097.43 $