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语法：能够正确使用冠词以及能够理解并准确表述英文大数字。
语言技能目标：听：能够听辨并写出大数字。
说：能够用大数字谈论人口问题。
读：能够读懂涉及人口问题的文章，掌握文章大意。
写：能够结合图表介绍某一地区人口和环境问题。
情感态度目标：培养学生的全球意识和环保意识。
教学方法：合作学习，任务型学习和探究学习。
教学过程：
Step1: Revision and Lead in
(do activity 1 on the page 74)
T: Greeting. Let students guess where my hometown is ? then introduce my hometown’s change. Show some photos of my hometown, my home town in the past and now. through the changes of my hometown, let students choose if they want to move to a big city, and why do they want to move? At the same time, through the photos teachers show the problems caused by the development of my hometown. Then ask students to answer: “what are the problems of big cities?”
S: At the same time, learn new words and speak them as much as possible.
Step2: Listening and matching
(do activity 2)
T: Listen to the passage, do matching after listening, these 4 sentences are the main idea of each paragraph.
Para 1 1. The views of Arnwick today
Para 2 2. The past life of Parkville
Para 3 3. The problems that Arnwick and many other cities meet
Para 4 4. Jo’s trouble in going to school
S: Listen and check the answers.
Step3:Reading in details
T: Read paragraph 1-2 and check the true sentences.
Parkville was a quiet village. (T)
Arnwick was a city with 20,000 people. (F)
People from Parkville moved to Arnwick to find jobs. (T)
S: read and check the answers.
Step4: Reading in details
T: Read paragraph 3 and answer the questions.
Q1: When did the small local school close down?
Q2: How long does it take Jo to go to school in Arnwick?