the world's population in 1990
阅读课文后，可以让学生分组讨论课文中提出的人口增长的问题，进一步认识到中国实行计划生育(Family planning)政策的必要性和深远意义。也可以做角色表演(Role play)，其中一人是《中学生报》记者，另一人是人口问题专家，小记者和专家可根据课文内容就世界人口问题进行问答，然后互换角色。还可留作家庭作业进一步练习、巩固。
Lesson 49 教学设计示例
Period: The First Period
Content: Lesson 49
Properties: Recorder; Overhead Projector; flashcards.
Teaching Objectives:
1. Let the students say the numbers.
2. Learn some new words and useful expressions.
Language focus: population, million, billion, increase, grow, What’s the population of Germany?
Teaching Procedures:
I. Showing tile teaching aims
II. Revision
Revise the numbers between 1 and 100.
III. Presentation
Use flashcards or numbers on the blackboard to revise one hundred, present a thousand in the same way. Then present ten thousand/ a hundred thousand/ a million and a billion
Give the students plenty of practice in reading these numbers. Point out the differences between English and Chinese for 10 000 and 100 000.
IV. Drill
Part 1. Play the tape for the students to listen and repeat. Show numbers on the blackboard, to give the students more practice in saying the numbers.
V. Presentation
Present more difficult numbers, then go through the model. Point out how commas are u
《The worlds population(第4页)》出自：www.89xue.com网www.89xue.com sed. Let the students try to say the numbers in this exercise. Hay the tape for the students to listen and repeat.
VI. Practice
Part 3, using a map of the world, go through contents of the table. Learn the meaning of population.
For example:
1. Our city has a population of two billion.
2. What’s the population of Tianjin?
3. China has the largest population of the world.
Ask the students some questions, using the model given, e.g.: What’s the population of…? What about the population of…? Finally, get the students to ask and answer in pairs.
VII. Exercises in class
Let the students do enough practice in reading the numbers.
Have a dictation.
1. What’s the population of France? About fifty - eight million.
2. The worlds population(第5页) was about 5 300 million in 1990.
3. Nine billion, eight hundred and seventy - three million, four hundred and twenty - five thousand, two hundred and sixty - one.
Work in groups
Show a picture of the numbers of World’s population. Teacher speak out the names of country or city, and ask the students speak out each number one by one in their group. And then ask the other group to practise this again. Whose sound is correct and clearly? Whose number reading is best?
VIII. Homework
1. Revise the numbers
2. Make five partners in asking the population.
Lesson 50 教学设计示例
Period: The Second Period
Content: Lesson 50
Properties: Recorder; Overhead Projector; Pictures.
Teaching Objectives:
1. Understand the text.
2. Learn some useful words and phrases.
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