1、Unit 3 Fit for lifeTalking about short-sightedness To be able to tell the present situation of short-sightedness among Chinese students and understand its possible causes and bad effects. To be able to list the effective measures to deal with the rising percentage of short-sightedness. Work in group
2、s. Discuss the following questions:Are you wearing a pair of glasses? Why do you need glasses?Whats your problem with your eyes?What is short-sightedness?Short-sightedness, or myopia, is a very common eye condition that causes distant objects to appear blurred, while close objects can be seen clearl
3、y.adj. 模糊的模糊的Signs of short-sightedness Moving closer to objects while watching them Sitting closer to the TV set Headaches or tired eyes Regularly wiping eyes Jenny is listening to a report about short-sightedness. Listen and finish the exercises below.AA1 Listen to the report and answer the follow
4、ing questions.2 What sports can short-sightedness make it inconvenient for students to play? 1 What is special about the increasing number of Chinese students who are affected by short-sightedness?They become short-sighted increasingly at a young age.Basketball and swimming.3 What may short-sightedn
5、ess give rise to in some cases?4 What may be a key factor in developing short-sightedness?Other eye problems.How people use their eyes.Predicting before listeningIt is helpful to identify keywords before you listen to a report. For example, from the notes, you might identify “percentages”, “causes”
6、and “signs” as keywords. Then you can predict what the speaker will talk about, and look out for these words as you listen.A2 Listen to the report again and complete the notes below.Short-sightednessDefinition of short-sightednessThe inability to see objects at a distance clearlyPercentages of stude
7、nts who suffer from short-sightedness0%10%20%30%40%50%60%70%80%36%(1) _%primary schoolstudentsjunior high schoolstudentssenior high schoolstudents(2) _%90%100%71.6.81Causes of short-sightednessGetting affected because ones parents are short-sightedSpending a large amount of time reading, (3)_, focus
8、ing on a smartphone screen or doing other close workHaving (4)_ or bad reading habits like reading in bedSpending too little time (5)_working at a computerpoor lighting outdoorsSigns of short-sightednessLooking at things with eyes (6)_Moving closer to objectsComplaining of (7)_ and headaches partly
9、shut tired eyesJenny has found a feature article about the measures taken by a high school to protect students eyes. Read the feature article and make a list of the measures.BEffective ways to protect eyesMeasures taken by No.9 High School to protect students eyesEnsuring that students eyes get regu
10、lar breaks throughout the day: stopping for a few minutes in the middle of their study and looking at distant objects; going outdoors and enjoying themselves in the sun1 Providing students with an eye-friendly environment: adjusting all the lights to make sure the classrooms are well lit; placing co
11、mputers in the computer room at least 50 centimetres away from students; equipping the library with new chairs that can be adjusted to ensure the best sitting position2 Making everyone aware of the ways to improve eye health: sending out information advising all parents on how to protect their child
12、rens eyes; training students to recognize signs of eyesight problems 3Complete the following table according to the text.OutlineMain pointDetailsIntroductionA survey has fuelled concerns about eyesight problems among Chinas youth.Roughly three out of four high school students wear glasses.OutlineMai
13、n pointDetailsMeasures takenStudents eyes have to get (1)_ _.Students should stop for a few minutes during their study and look at distant objects.An eye-friendly environment has been provided by improving school facilities.l (2)_ have been adjusted.l Computers are placed at proper distances. l Libr
14、ary chairs (3)_ _ _. regular breaks throughout the dayAll the lights can be adjusted for the best sitting positionOutlineMain pointDetailsMeasures takenAwareness of the need for good eye health has been raised.Parents (4)_ _.Students (5)_ _.ConclusionAll of the measures are helping reduce eyesight p
15、roblems.No. 9 High School is leading the way with its impressive forward thinking on eye health. have been advised on how to protect their childrens eyes have been trained to recognize signs of eyesight problemsIn pairs, discuss the problem ofshort-sightedness among Chinese students. Use the followi
16、ng questions and expressions to help you.C What is the present situation of short-sightedness among Chinese students?Roughly 80% of high school students wear glasses, and the problem is affecting students at younger ages, including 36% of primary school students. What are the causes of short-sighted
17、ness?If parents wear glasses, their children are likely to be short-sighted. Some children sit for long periods in front of a TV or computer, or they focus on their phone screen for too long. As a result, their eye health is easily affected. Many students have developed bad reading habits like readi
18、ng in bed or reading in poor lighting conditions. What can we do to protect our eyes?Schools should provide eye-friendly environments, and encourage students to avoid using their eyes for too long. Outdoor activities are also recommended. Both parents and students should improve their awareness of t
19、he need for good eye health.Talking about cause and effect Due 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 out of / arise from is caused by Expressions1. The disturbing fi
20、gures have caused schools to tackle this problem head-on. disturb v. to make sb feel worried or upset 使不安使不安 to interrupt what sb is doing 打扰打扰 to change a normal situation in a way that causes problems 搅乱搅乱 eg What disturbs you most about this latest development? Sorry to disturb you , but I have a
21、n urgent message. New procedures often disturb the comfortable habits of the workforce.disturbing adj. making you feel worried or upset 令人令人焦虑的，使人忧虑的；让人心烦焦虑的，使人忧虑的；让人心烦的的disturbed adj. very anxious and unhappy about sth 不安不安的，烦恼的，烦恼的的eg The following programme contains scenes that may be disturbing
22、to some viewers. She was disturbed to learn he had bought a motorbike.tackle v. to try to deal with a difficult problem 应付；处理；解决应付；处理；解决eg The first reason to tackle these problems is to save childrens lives. When is the government going to tackle the problem of poverty in the area?tackle v. to talk
23、 to sb in order to deal with a difficult problem ( (为了为了解决解决难题难题) )与与商谈商谈，与与交涉交涉tackle sb about stheg When I tackled Susan about it, she admitted shed made a mistake. When are you going to tackle your brother about that money he owes me?【拓展拓展】head-on adj. & adv. describes an accident in which the fr
24、onts of two vehicles hit each other ( (事故事故) )迎头迎头相撞的，正面相撞相撞的，正面相撞的的eg The car crossed the road and hit a truck head-on. head-on adv. deal with sth in a direct way 积极地；果断地积极地；果断地eg The police are trying to tackle car crime head-on. Once again, I chose to confront the issue head-on.2. No. 9 High Scho
25、ol is just one of those that have gone to great lengths to protect students eyes, coming up with go to great lengths to do sth to try very hard or to do whatever is necessary to achieve sth that is important to you 竭尽全力做某事；不遗余力做某事竭尽全力做某事；不遗余力做某事 eg He went to great lengths to keep their name out of
26、the papers. Greta Garbo went to great lengths to hide from reporters and photographers.3. The school has adjusted all the lights to make sure the classrooms are well lit. adjust v. to change sth slightly, especially to make it more correct, effective, or suitable 调整调整，调节调节 eg If the chair is too hig
27、h you can adjust it to suit you. As a teacher you have to adjust your methods to suit the needs of slower children. adjust v. to become more familiar with a new situation 适应适应；习惯习惯 adjust to (doing) sth 适应适应( (做做) )某某事物事物 eg I cant adjust to living on my own. Her eyes slowly adjusted to the dark. Th
28、e lifestyle is so very different it takes a while to adjust. adjust v. to arrange your clothing to make yourself look tidy 整理整理 eg The young lady carefully adjusted her clothes and her hair before going out. She adjusted her skirt, took a deep breath and walked into the room.adjustment n. 调整；调节；适应调整
29、；调节；适应eg Ive made a few minor adjustments to the seating plan. He will have to make major adjustments to his thinking if he is to survive in office. He has so far failed to make the adjustment from school to work.【拓展拓展】 Search more information about short-sightedness and take notes to prepare for writing. Preview the next part: Writing.
