1、Unit 3 Fit for lifeIntegratedskills: Talking about short-sightednessu 内容分析：本板块围绕单元话题,以“谈论近视问题”创设情境,展开一系列综合技能训练活动.听力部分是一篇新闻报道,说明了中国学生近视情况的有关信息;阅读部分是一篇专题文章,介绍了某高中学校为预防学生近视采取的一系列有效护眼的措施;说的部分要求学生相互讨论,交流青少年近视的现状,分析其成因和后果,并提出保护视力的措施;最后要求学生完成一篇中国学生近视情况的文章.上述活动环环相扣,每个活动既有各自的侧重点,又彼此相互关联,构成一个“四位一体”的语言综合性实践活动.
2、u 教学目标：By the end of this section, students will be able to:1. tell the present situation of short-sightedness among Chinese students and understand its possible causes and bad effects;2. list the effective measures to deal with the rising percentage of short-sightedness;3. write an article about sh
3、ort-sightedness among Chinese students. u 教学重难点：1. Knowing about short-sightedness;2. Writing the articleu 教学过程：Step 1 Lead-inAsk students the question: What do you know about “short-sightedness”?Possible answer:1. Definition2. Signs3. Causes4. .【设计意图：快速引入单元话题。】Step 2Listening A1. Ask students to li
4、sten to the report and answer the questions. (Page 36).(1) What is special about the increasing number of Chinese students who are affected by short-sightedness?(2) What sports can short-sightedness make it inconvenient for students to play?(3) What may short-sightedness give rise to in some cases?(
5、4) What may be a key factor in developing short-sightedness? Suggested answers:1.They become short-sighted increasingly at a younger age. 2. Basketball and swimming.3. Other eye problems.4. How people use their eyes. A2. Listen to the report again and complete the notes below. Short-sightednessDefin
6、ition of short-sightednessThe inability to see objects at a distance clearlyPercentages of students who suffer from short-sightednessCauses of short-sightednessGetting affected because ones parents are short-sightedSpending a large amount of time reading, (3) _, focusing on a smartphone screen or do
7、ing other close workHaving (4) _ or bad reading habits like reading in bedSpending too little time (5) _Signs of short-sightednessLooking at things with eyes (6) _Moving closer to objectsComplaining of (7) _ and headachesSuggested answers:1. 71.62. 813. working at a computer 4. poor lighting 5. outd
8、oors 6. partly shut7. tired eyesStep 3 ReadingB1. Read the feature article on page 37 and make a list of the measures taken by No.9 High School.Suggested answers:1. Ensuring that students eyes get regular breaks throughout the day;2. Providing students with an eye-friendly environment;3. Making ever
9、yone aware of the ways to improve eye health.Useful words and expressions1. give rise to 使发生；引起2. three out of four四分之三3. tackle this problem head-on正面处理这个问题4. go to great lengths to do sth.竭尽全力做某事5. come up with提出；想出6. regular breaks有规律的休息7. an eye-friendly environment一个有利于眼睛的环境8. make sb. aware of
10、 sth.使.意识到.9. impressive forward thinking令人印象深刻的超前思维Step 4 DiscussionC.In pairs, discuss the problem of short-sightedness among Chinese students. Use the following questions to help you.1. What is the present situation of short-sightedness among Chinese students?2. What are the causes of short-sight
11、edness?3. What can we do to protect our eyes? ExpressionsTalking about cause and effectDue to/Because of/As a result of.,short-sightedness has become a serious problem.As a result/Consequently, more and more students.Because., students.Such problems arise of/arise from.is caused by.Step 5 WritingD.W
12、rite an article on short-sightedness among Chinese students. Use your ideas from part C and the information in parts A and B to help you.Learning about the structureWhen writing about short-sightedness, follow the structure below: Start by introducing the current situation of short-sightedness among
13、 Chinese students. Analyse the causes of short-sightedness. Conclude with suggestions to improve the situation.Learning about the language To put forward your suggestions, you can use expressions like: The situation could be improved if An effective way to is You can also write about the improvement
14、 you would like to see using expressions like: It is my belief that I am looking forward to SampleA recent survey has revealed that short-sightedness is on the rise among Chinese students. The problem has already affected a large number of students: 36% of primary school students, more than 70% of j
15、unior high students and over 80% of senior high students suffer from short-sightedness.What causes short-sightedness is not fully understood, although children may be at greater risk if their parents have the condition. How we actually use our eyes seems to play a decisive role. For example, activit
16、ies like focusing on a screen, whether that be a computer, television or smartphone, are tough on our eyes. Reading in poor light can also harm our eyesight. It is also harmful to spend too much time indoors, as our eyes need natural sunlight to be healthy.Luckily, the situation could be improved if
17、 we take measures to stop ourselves becoming short-sighted in the first place. We should take regular breaks from our study and go outside to give our eyes a chance to get some sunlight. We should also avoid sitting too close to a computer, smartphone or television screen. In addition, we should ens
18、ure proper lighting whenever we read, so that our eyes do not need to work too hard. However, if we do become short-sighted, it is necessary to see an eye doctor and get glasses. It is my belief that with these measures, our eye health would be greatly improved.Step 6HomeworkPolish up your writing and make a presentation to the class.【设计意图：明确语篇特点，锻炼写作技能。】u 教学反思
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