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Section B
Ⅰ. Material analysis
本课是九年级第一单元第二话题的第二课时，主活动是1a和2。本课通过谈论各国的人口数量，复习比较级的基本句型，学习高位数的表达。1b通过连线题，训练学生听懂高位数的能力。1c通过把对话转换为段落来巩固1a的内容。2重点学习高位数的读法。3让学生通过读图来操练高位数的读法。为了降低1a和3的难度，建议将2调整到1a前，作为一个读前的活动。通过谈论各国人口的现状，引导学生树立正确的人口观念。 Ⅱ.Teaching aims 1.Knowledge aims：
掌握本课的重点词汇和短语，复习形容词比较级的用法，继续学习数字表达。 2.Skill aims:
能听懂高位数字，并作出正确判断。
能通过整合对话内容，提升综合语言运用能力。 3.Emotional aims: (optional)
增强学生对人口问题的认识，了解各国的人口现状。 增强学生关注社会的意识。
4.Culture awareness: (optional)
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通过对比发达国家和发展中国家的人口增长情况，引导学生树立正确的人口观念。 Ⅲ. The key points and difficult points 1. Key points:
Words and phrases: population, billion, increase, reach, Russia, luckily, policy, measure
in developed/ developing countries, have a population of…, increase by, carry out, the one-child policy Sentences: (1) It says the world has a population of 6.8 billion. (2) It is increasing by 80 million every year.
(3) Which country has the largest population?
(4) —What’s the population of the USA.?
—It’s…
(5) So it is.
(6) The population problem is more serious in developing countries. Grammar: Go on learning and using Present Perfect. 2. Difficult points：
能更快更好的听懂和朗读高位数字。 能正确使用数字表达各国的人口现状。
Ⅳ. Learning strategies
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通过1b的匹配练习，提升听的语言技能。
通过1a的朗读训练，能够准确、清楚地进行朗读，培养语感和自信心。 通过2的数字练习，能够抓住数字的表达规律。
通过3的图表描述，能够评价自己的学习情况，找出不足。 Ⅴ. Teaching aids
单词卡片（如：population， billion等）；多媒体课件；录音机；世界人口示意图；小黑板。 Ⅵ. Teaching procedures
Stage (time period) Interaction patterns Greeting. T: Hello,boys and girls! Teacher activity Student activity Greeting. Ss: Hello… Remarks 可以播放数字歌，来复习简单的数字。 T: Now let’s have a competition in groups. S1: I have already finished 1 Revision （2-3 mins） Group work Make new sentences by using these words my homework… (“just”, “never”, “yet”, “ever” and S2… “already”) within two minutes. … 解压密码联系qq 1119139686 加微信公众号jiaoxuewuyou 九折优惠！淘宝网址：jiaoxue5u.taobao.com
Present the information about population in Present different countries. the information 培养学生整理信息，传达about population in different 信息的能力。 T: Excellent！You have already searched for countries they have collected 建议：此处可以中英文混Lead-in (2-3 mins) Individual work the information about the population in before class. different countries, haven’t you? Ss… Ss: Yes, we have. 用。 2 T: OK, who’d like to be the first one to share S1: China has a population your information? Volunteers? of 1.3 billion. S2: India has… Class activity 3 Pre-listening (10mins) Step 1: Present the new words. Try to understand the new 教师应板书所学生词和短T: That’s right. China has a population of 1.3 words according to the 语，以便学生整体把握重billion. But it is increasing by about 10 teacher’s explanation. million every year. How large Chinese … population is! Luckily, China has carried out the one-child policy to control it. Do you know what the population of Russia is? Ss: 143 million. Ss: 143 million. 点。 免费下载网址 http://jiaoxue5u.ys168.com/
individual work. T: Yes, the population in developing countries … is larger than that in developed countries. Ss:… Step 2: Get Ss to read and guide them to Read the numbers, master 教师可以根据实际情况增master the rules about how to read the how to express the large 加数字练习环节。 numbers. Ask them to pay attention to the numbers according to the 在活动2中要引导学生注pronunciation. teacher’s explanation. 意并列词组间的语音语调。 T: China has a population of 1.3 billion. But do you know how to express the large numbers like 1 300 000 000. First let’s look at the blackboard. 218 306 5 366 (Lead Ss to read numbers from the simple numbers to large ones like million and billion。) S1: Two hundred and eighteen. S1: Two hundred and eighteen. 解压密码联系qq 1119139686 加微信公众号jiaoxuewuyou 九折优惠！淘宝网址：jiaoxue5u.taobao.com
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