Unit 1 The Developing World>Topic 2 What has happened to the population?学案

UNIT1 The Changing World Topic 2 China has the largest population Type:Oral Writer: Qiu Banggui Checked: By all English Group Members of Grade 9 Class:_____Name:_____;Time:_____ 【教材分析】：本话题是谈论生活环境和世界人口增长问题。要求学生了解世界的人口状况，能够运用语言知识谈论现今状况和自己的想法。 Section A 是紧接着topic1的语法知识，继续学习现在完成时，即现在完成时中时间副词的用法。体会时间副词在现在完成时中的作用。 Section B 是针对于世界人口增长状况的话题，目的在于巩固section A 中学习的内容，同时学习较大的数字读写。 Section C 是篇谈论中国人口问题的阅读理解，篇幅比较长，短语多，目的在于培养学生的阅读理解能力和段落归纳能力。 Section D 也是一篇阅读理解，本篇在section C 的基础上增加了对文章的知识要点总结、对比。 Section A 【教学目标】: 1. Go on learning the present perfect tense and studying the present perfect with “just, already, yet, ever, never”. 2.Talk about the topic about population. 3.Lead students to care about the population problem and build up right ideas of population Teaching difficulties and importances: 1. Talk about the changes in the past and at present. 2. Go on studying the present perfect with“just, already, yet, ever, never” 【预习导学】1.预习新单词p9-p10 _____ 2.英汉互译p9-p10 中国的人口是多少_____ ； China has a population of 1.3billion_____.; 我的父母也认为这样不好_____； 对某人要求严格_____；独生子女在政策_____ used to do sth_____;be/get used to doing sth_____ 【课堂活动课程】检查预习1、学生拼读听写单词. Review:the teacher can say something about holiday experiences Let several students describe changes in their hometown, using the present perfect tense as much as they can. 3.Ask the students“Do you like going shopping ”. Let them give the reasons why they like or dislike going shopping and lead to 1a. Listen to 1a and answer 1b 4.Sum up the usages of just, already, ever,never,yet etc. 5.The teacher shows family photos of different periods, and lets the students find out the differences of those photos. Then lead to 3a. When Kangkang was a child , how was the living condition Is Kangkang a“Little Emperor”in his family Why 6. Listen to 3a, finish 3b. 【知识点拨.自主探究】 1.population n,人口.注意它的用法：表示人口的“多”“少”，不用 Much或 little，而用large或 small。e.g India has a large population.. 询问某地有多少人口：用“what’s the population of China ” 1. seem 似乎是It seems that +从句:It seems that he is quite happy. Seem to do sth. 似乎做某事;He seems to be a “little emperors”. 2.take place 发生(经过安排的):The party will take place at 5:00. happen 发生(偶然发生The traffic accident happened to him on the nightof May,2008. 3.so与 neither的用法： So+助动词+主语，“也”用于肯定句中，表示前面所叙述的情况同样也是用于另一主语.Kate bought a new pen yesterday--So did Mike. So+主语+助动词（尤指感到惊讶时表示同意）译为：的确如此，表示双方谈论的是同一个人或同一个事。It’s a fine day today.--So it is. Neither+助动词+主语.“也不”用于否定句中;表示前面所叙述的同样也是用于另一主语。I don’t like oranges--Neither does ... ...