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2、能力目标：能够听懂谈论人口的问题；能用大数字谈论人口问题;能够描述人口与环境的问题。
3、情感和态度目标:培养学生的全球意识和保护环境的意识；在学习中与他人合作。
教学重难点：
英文大数字的读法。
教学过程：
Step 1 Lead in
Watch a video ,What can you see ? Many people
There are a lot of people in the world
Which country has the largest population in the world ?
What's the population of China ?
Today we’ll learn something about population .(Write down the topic)
Step 2 Presentation
Listen to an English song and answer :What's the song about ?
Play a game :say numbers one by one .when you say “seven,seventeen…或times of seven(如fourteen,twenty-one等)时，you must clap your hands instead of numbers .
Learning
Can you read the numbers ? How do we read numbers below 1000 ?
Watch and discuss how to read large numbers ? Find out rules .
Practise reading the numbers .
Match the numbers with English .
Challenge numbers.
4.Listening
Listen and choose the correct answer.
Listen and complete the notes
5.Reading
1)Read and check the sentences "T" or "F".
2)Read in pairs and answer the questions.
6.Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
7.Working together
Do you agree ?
In the future ,Chinese population will grow faster and faster.