仁爱版九年级上册英语教学案UniTopic1Topic2SectionB精修版

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1、仁爱版英语精品资料（精修版）Section B. 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。 .Teaching aims1.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

2、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)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。. The key points and difficult points1. Key points: Words and phrases: population, billion, increase, reach, Russia,

3、 luckily, policy, measure in developed/ developing countries, have a population of, increase by, carry out, the one-child policySentences: (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) Whats the

4、population of the USA.?Its (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。. Learning strategies 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

5、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。. 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。. Teaching procedures Stage(time period)InteractionpatternsTeacher activityStudent activityRemarks1Revision（2-3 mins）Group workGreeting.T: Hello,boys and girls!T: Now lets have a competition in grou

6、ps. Make new sentences by using these words (“just”, “never”, “yet”, “ever” and “already”) within two minutes.Greeting. Ss: HelloS1: I have already finished my homeworkS2可以播放数字歌，来复习简单的数字。2Lead-in(2-3 mins)Individual workPresent the information about population in different countries.T: Excellent！You

7、 have already searched for the information about the population in different countries, havent you?SsT: OK, whod like to be the first one to share your information? Volunteers?Present the information about population in different countries they have collected before class.Ss: Yes, we have.S1: China

8、has a population of 1.3 billion.S2: India has培养学生整理信息，传达信息的能力。建议：此处可以中英文混用。3Pre-listening (10mins)Class activityindividual work.Step 1: Present the new words.T: Thats right. China has a population of 1.3 billion. But it is increasing by about 10 million every year. How large Chinese population is! L

9、uckily, China has carried out the one-child policy to control it. Do you know what the population of Russia is?Ss: 143 million.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 master the rules about how to read the

10、numbers. Ask them to pay attention to the pronunciation.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 lets look at the blackboard. 218 306 5 366(Lead Ss to read numbers from the simple numbers to large ones like million and billi

11、on。)S1:Two hundred and eighteen.S2:Three hundred and six.S3: Five thousand, three hundred and sixty-six.(Conclude the rules about how to read numbers.)T: Now, look at these numbers. Can you read them?736 547 8 736 062 7 198 764 501(Guide the Ss to learn the rules of reading numbers. Then practice.)S

12、4: 736 547 seven hundred and thirty-six thousand, five hundred and forty-seven.T: Now, I will ask some other students to read other numbers.S5: 8 736 062 eight million, seven hundred and thirty-six thousand and sixty-two.S6: 7 198 764 501 seven billion, one hundred and ninety-eight million, seven hu

13、ndred and sixty-four thousand, five hundred and one.T: You are great. Most of you have mastered how to read the numbers. Please look at the numbers in 2. Read them together.Try to understand the new words according to the teachers explanation.Ss: 143 million.Read the numbers, master how to express t

14、he large numbers according to the teachers explanation.S1: Two hundred and eighteen.S2: Three hundred and six.S3: Five thousand, three hundred and sixty-six.S4: 736 547 seven hundred and thirty-six thousand, five hundred and forty-seven.S5: 8 736 062 eight million, seven hundred and thirty-six thous

15、and and sixty-two.S6: 7 198 764 501 Seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and one.Ss教师应板书所学生词和短语，以便学生整体把握重点。教师可以根据实际情况增加数字练习环节。在活动2中要引导学生注意并列词组间的语音语调。4While-listening (10 mins)Individual workClass activityStep 1: Get the Ss ready for

16、 listening. Then listen and finish 1b. T: There are so many people in the world. Right?Whats the population of the world?SsT: Maybe some of us have learnt about it. OK., lets listen to the tape and finish 1b. T: Its not difficult. Now share your answers with others. Who can try?Step2: Listen to 1a a

17、gain and pay attention to the pronunciation and intonation and then act out 1a.Listen and finish 1b. S1: The world has a population of 6.8 billion.S2: China has a population of 1.3 billion.S3: India has a population of 1.1 billion.S4: The USA has a population of 309 million.Listen to 1a and pay atte

18、ntion to the pronunciation and intonation and then role play 1a.回答连线题时，要求学生使用完整的句子作答，有助于培养语感，更好地运用短语和句子。学习语言，读的过程很重要，教师可以根据班级情况，分配朗读的方式和时间。5Post-listening(15 mins)Group workIndividual workStep 1: Read 1a again, get the Ss to underline the useful expressions and discuss the usage of them in groups. T

19、: Read the conversation again, underline the difficult phrases and sentences. You can look up them in the dictionary or ask your classmates and teacher for help.Step 2: Finish 1c according to 1a.T: Now lets read 1a and complete the passage in 1c.T: OK, who can share your answers with us?Read the con

20、versation thoroughly and underline the points they do not understand.Finish 1c after reading 1a.小组内不能解决的问题，组间可以互相帮助解决,老师可以适时适当的点拨。该环节教师应提供参考资料和方法指导，以提升学生的自学能力和克服难关的意识。6Finishing task 3Group workProject: Work in groups and discuss the information of the chart in 3.T: Look at the chart in 3 and discus

21、s them. The questions can help you.Work in group and disuss the information of the chart in 3.教师合理安排该部分，不仅可以巩固前面所学，提高学生的口语水平，还能增强学生对人口现状的了解。如果时间充裕，可以在课堂上汇报一下讨论结果；如果时间不够，也可以安排成书面作业。7Summarizing and assigning homework (3-5 mins)Class activityStep 1: Summarize the important expressions in groups.Step 2

22、: HMK: Write a passage about the current situation of population.Go over the useful expressions learnt this class. HMK: Write a passage about the situation of population. Blackboard designThe population in developing countries is growing faster.Section BWords and phrases: Sentences:billion, increase

23、, reach, Russia The population problem is more serious in developing countries.have/has a population of. It says the world has a population of 6.8 billion.Increase by Whats the population of the USA?the developed/developing country 309 million.carry out, So it is.the one-child policy 1 300 000 000218 306 5 366736 547 8 736 062 7 198 764 501