人教版(新教材)高中英语选修3Unit2 Healthy Lifestyle精品学案：Reading and Thinking(1).docx

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1、healthy lifestyleUnit 2 HEALTHY LIFESTYLE主题语境一人与自我之生活与学习K语境概说本单元的主题语境为人与自我中的生活与学习，主要涉及认识自 我，丰富自我，完善自我、健康的生活方式、积极的人生态度等。在此主题语境 的引领下，帮助学生建构和完善新的知识结构，促进学生对该主题的深度学习， 培养学生多元思维的能力，并能用正确的价值观来约束自己的日常行为。总元素养目标。词汇：abuse, reward, rely, facilitate, examine, negative, surgeon, shave, disturb, specialist, drug. s

2、kip, dizzy, stimulate, dynamic, monthly, enhance, refresh, absorb, in response to. rely on. straight away, decide on. make up ones mind, be composed of.shave otT. act as, suffer from, try out. in control of素养 导航素养 导航-文化知识语言知识语言技能学习策略句型：iThese bad habits, if left unchecked, could lead to serious ones

3、 when they become adults.2 For example, some of them may become involved in tobacco or alcohol abuse, which can lead t( physical and mental health problems.3To prevent harmful habits like those from dominating a teenagers life is essential.出 has cnhiinccd the quality of my life, improving my health

4、increasing my happiness.A$ Gandhi said. Be the change you want to see in the world.余法：不定式作主语写作：写给编辑的一封信发现并理解语看中包含的不同文化元素,理解其中的寓意；理解常用英语成 语和俗语的文化内涵,感悟语言和文化的密切关系识别语篇中的内容要点和相应的支撑论据；根据语目标题预测语热的体裁和 结构；以口头或书面形式传递信息、论证观点、表达情感；运用语有衔接手 段,提高表达的连发性在听和i卖的过程中,借助情景和上卜.文猜想词义或推测段落大意：在交际中. 恰当运用补白i?L插入语等手段做到自然表达；能针对在

5、学习过程中出现的 焦虑或急躁情绪.分析原因.采用右效方法进行自我调整A.Employees are not allowed to smoke at home.B.Employees can smoke off-campus during the workday.C.No employees can smoke during the workday.D.Its policy on employee smoking is wrong.K答案c K细节理解题。根据最后一段可知，印第安纳大学改变了有关员 工在工作时间吸烟的政策规定，原来的规定中称，工作时间内员工不得在校内吸 烟，新规定那么完全禁止吸烟

6、。应选C。8.Where does the text probably come from?A.A science magazine.B.A travel journal.C.An engineering textbook.D.A tourist guide.K答案X AK推理判断题。本文讲的是三手烟对健康的危害，可能来源于科学杂志中。应选A。Better wear out shoes than sheets.宁愿把鞋子穿漏，不愿把床单磨破。A regular life is the secret of health and longevity.有规律的生活是健康与长寿的秘诀。It is bu

7、rning cigarettes； consumption is the life.燃烧的是香烟，消耗的是生命。Good habits make a lifetime and bad habits destroy a persons future.好习惯成就人生，坏习惯毁人前程。Reading and Thinking(l)活动设计素养形成课文语篇研读Step 1Step 1Pre-reading1 .DiscussingLook at the following pictures and exchange your opinions about theselifestyles.The ans

8、wer is open.2 .Predicting-Look at the photos and the title of the passage on Pages 14-15 andpredict what the text is probably about.The lex js mainly about healthy lifeslyle.Step 2 While-reading1 .First reading-Read the text carefully and answer the following questions.(1 )Match the main idea with e

9、ach part.Part 1 (Para. 1)A.Habits-changing is a gradual process.Part 2 (Paras.24) B.How to change bad habits into good ones.Part 3 (Para.5) C.The cycle of how habits are formed.Part 4 (Paras.67) D.The reason why bad habits should be changed.K 答案 1 Part 1 D Part 2 C Part 3 B Part 4 A(2)Read for detai

10、ls.What do some of teenagers easily do when they grow up? They foim bad habits easily.How can we facilitate a positive change in our bad habits?By combining the information from our habit cycles with our own positive ideas.2.Second readingFill in the blanks according to the text.ProblemsTeenagers be

11、come more independent and can easily form bad habits.To prevent them dominating a teenagers life, they must learn to recognize bad habits early and make aapropriate changes.The habit cycleThere is a “cue” , an action, event, or situation that acts as a signal to do something; then there is a “routin

12、e” , the regular action, you take in response to the cue; at last, there is a reward” , the good thing or feeling we get from the routine.Changing habits graduallyThe most successful way to change is not suddenly, but over a period of time.lo reach the goal, a person must show some discipline and re

13、peatedly take manysmall steps.There1 re no shortcuts to changing bad habits.3.Third reading(l)Summarizing: Read the passage again and try to summarize its main idea in one sentence.Thepassageisabouthow to change our bad habits of lifestyle into good ones. (2)Thinking and discussing: Are you planning

14、 to use the habit cycle to break your bad habits? Why or why not?The answer is open.Step 3 Post-reading1 .Pair work： Think of a bad habit and write down the cue, routine and reward.Then put forward an idea of how to break it.The answer is open.2 .Do you have any other ways of bettering habits? Discu

15、ss with your partner which way you think is most effective.The answer is open.阅读技巧点拨猜想词义的五把金钥匙利用构词知识（前,后 缀）猜想词义 利用逻辑关系猜觌河 义猜想词义猜想词义利用语法关系猜想河 义.有些语法结构我. 行文技巧也有助于岩 测词义，如下定义.，定 语从句、同位语、举同 子和标点符号利用生活常识和文化 背景猜想词义 利用上下文语境晴浏 词义语言现象感知I .词块积累写出以下词块的含义1 .a healthy lifestyle健康的生活方式.make decisions 做出决定2 .form b

16、ad habits形成坏习惯.physical and mental health problems 身心健康问题3 .make appropriate changes 做出适当的改变n many ways在许多方面7 .make a choice 做出选择.modern psychology 现代心理学8 .a positive change 积极的变化.take the stairs 走楼梯9 .over a period of time 一段时 间.change bad habits 改变坏习惯10 .a single step 一步.break bad habits 打破坏习惯11 .

17、magic pill神奇药丸.delele button 删除键12 .take appropriate action 采取适当行动.make excuses 找借 口II .句式欣赏.画出句子的主语 However, during this period，it can be easy for some of them to form bad habits. To prevenl harmful habils like ihose from dominating a teenagers life is essential.1 .指出句中黑体局部的用法There is a famous sayi

18、ng based on the philosophy of Aristotle: We are what we repeatedly do.”过去分词短语作后置定语，修饰saying。To reach the goal of change, a person must show some discipline and repeatedly take many small steps.动词不定式短语作目的状语。语言内化稳步提能课堂实践应用APeople arc fatter than cvcr.Obcsity has more than doubled since 1980, but the b

19、iggest rise is in the developing world.Anyone with a body mass index, or BMI, over 3() is considered obese.The higher your BMI, the greater your risk of developing weight-related diseases like diabetes and heart disease.Nearly half of the worlds overweight and obese children under five live in Asia.

20、In Africa, the number of overweight children under five has increased by nearly 50% since 2000.Hunger still affects many parts of the world.But the share of people who do not have enough to eat is in decline.Globally , one in nine people suffer from undernourishment (营养不 良).One in ten is obese.If cu

21、rrent trends continue, the share of obese children will surpass the number of undernourished by 2022.In Africa, a move from traditional foods to high-calorie fast food and a more sedentary(久坐的)lifestyle is driving the rise in obesity.Fast food has seen rapid growth on the conlinent. Women appear to

22、be most affected.More than half of women in Botswana are overweight.Ethiopia, known fbr its terrible famine, has seen obesity rates in women rise by 600% since 1984.Health systems in Africa , more focused on treating malnourishment and diseases like malaria and HIV, are ill equipped to deal with obe

23、sity-related illnesses.Pacific islands have the highest obesity rates in the world, thanks to the spread of western fast food.Diets which a generation ago largely consisted of fish and coconuts are now dominated by processed meat.Nauru is lop of the list.61% of the people are obese, making this tiny

24、 paradise island the worlds fattest nation.Cook Islands take second place, with an obesity rate of 56% and Marshall Islands come in third, with 53%.Obesity is already a global epidemic and is rapidly spreading from the rich world to the poor.K语篇解读肥胖症成了全球流行病，正在快速向开展中国家蔓延。本文分析了这一现象产生的原因。1 .What do wc

25、know about BMI according to Paragraph 2?A.Diabetes and heart disease are caused by BMI.B.Anyone with BMI over 3() is considered over-fat.C.BMI is the greatest risk in developing countries.D.People with BMI over 30 will develop weight-related diseases.K答案1 B K细节理解题。根据 “Anyone with a body mass index,

26、or BMI, over 30 is considered obese.一句可知，身体质量指数超过30即为肥胖。因此选 Bo32.According to the passage, obesity in Africa is caused by. A.its terrible shortage of foodB.its suffering from the famineC.the challenges of diseases like Malaria and HIVD.its shift from traditional food to high-calorie fast foodK答案 D K

27、细节理解题。由第四段首句a move from iradilional foods lo high-calorie fast food and a more sedentary lifestyle is driving the rise in obesity. “ 可 知选DoU3.It can be inferred that people on the Pacific Islands.A.used to have healthier dietsB.try to avoid the processed meatC.suffer from undernourishmentD.prefer fa

28、st foods to fish and coconutK答案H A K细节理解题。根据第五段可知，太平洋岛国几十年前主要以鱼 和椰子为食，显然是健康饮食。因此选A。4. What is the best title of the passage?A.Diabetes: Obesity-related IllnessB.Fast foods: Main Cause of ObesityC.Obesity: Not Just a Rich-world ProblemD.BMI: Index of Your Body MassK答案H cK标题归纳题。短文主要介绍了肥胖症在开展中国家快速蔓延的情况

29、。结合首句和最后一句可知c项作标题最符合文意。BWe know first-hand smoke is bad, and we know second-hand smoke is also bad.But now, researchers have found that third-hand smoke-the surface-clinging residue（残 渣）left over from second-hand smoke-can also cause damage to our DNA.“This is the very first study to find that third

30、-hand smoke causes DNA damage, ” study researcher Lara Gundel said in a statement. Some of the chemicals in third-hand smoke stay on surfaces, and when those surfaces are clothing or carpets, the danger to children is especially serious.n The study doesnt just show that third-hand smoke can harm cel

31、ls, but it also shows that the harm it can cause could become worse with time.Researchers put paper strips in rooms with smoke; one room exposed the paper strips to the same amount of smoke and chemicals that comes from smoking five cigarettes in 20 minutes.Thc other room exposed the paper strips to

32、 cigarette smoke for a total of258 hours.The researchers found higher concentrations of the poisonous chemicals in cigarette smoke on the strips of paper that were long exposed to smoke, compared with the strips of paper “acutely“ exposed to smoke.Then, researchers took the chemicals from the paper

33、and exposed them to human cells for a full 24 hours.They found that the third- hand smoke led to DNA damage, as well as DNA strand breaks.“The findings of this study show for the first time that exposure to third-hand smoke damages human cell lines, “ the researchers wrote in the study.They explaine

34、d that third-hand smoke is a known player in the development of cancer and other diseases. HuffPost Green reported in 2012 about Indiana Universitys decision to change its policy on employee smoking during the workday because of third-hand smoke： Instead of smoking off-campus during the workday, the

35、y are not allowed to smoke at all because the chemicals from the cigarette smoke still stay on their clothing and bodies.R语篇解读研究说明，三手烟的危害也很大，可能会损坏人体DNA,导致疾病。5.In the recent study, researchers find.A.first-hand smoke is badB.second-hand smoke is also badC.some chemicals stay on surfacesD.third-hand s

36、moke damages our DNAK答案1 D K细节理解题。由第一段可知，研究发现，吸食二手烟后残留在 外表的残渣仍然会损坏人体DNA。应选.The underlined word “acutely in Paragraph 4 probably means.A.slowlyB.exactlyC.brieflyD.seriouslyK答 案X C K词义猜想题。根据第三段中的20 minutes和258 hours可知， 该词应该是long的反义词。结合下文可知该句意思：研究人员发现，和“短暂” 感染烟雾的条形纸相比，长期被烟雾感染的条形纸上存在的有毒化合物浓度更高。 应选CJ.What is Indiana Universitys new decision according to the last paragraph?