人教版(新教材)高中英语选修3Unit2 Healthy Lifestyle课时作业2：Grammar-动词不定式作主语

1、Grammar动词不定式作主语I .阅读理解AMost people looking for ways to quit smoking worry about weight gain, and with good reason.Smokers who quit tend to pack on an average of 5 pounds after they stop smoking cigarettes. A new study, published by the journal Science, explains why this happens.The new research expl

2、ains that nicotine appears to combine with appetite-regulating neurons（调节食欲的神经元）in the brain, besides the receptors（感受器）that bring about addiction.These neurons help regulate how much food gets consumed, but under the influence of nicotine, they lose their self-controLThis is why when smokers quit,

3、they tend to eat more and gain weight.The researchers believe that their discovery will lead to the development of drugs that aim at nicotine receptors on brain cells that control appetite.In the future, weight gain may no longer be a reason for smokers to delay the decision to kick the habit, but t

4、hats no reason to wait.Nicotine-repIacement treatment, while not for everyone, can help.Here are a few more ways to quit smoking and stay slim.Drink water.To improve metabolic（新陈代谢的）rates which is helpful in losing weight, make half of those glasses ice water.Juice can be too high in calories, somet

5、hing youll want to keep an eye on your journey toward being a slimmer non-smoker.Plan your snacks.Healthy snacks help keep your metabolism working, so you continue to burn calories while stopping wild hunger pain, or fake hunger.Keep moving.Exercise kills two birds with one stone.lt helps you burn c

6、alories and prevents you from eating when youre not tmly himgry.Its also a feel-good stress reliever（缓解物）.Focus on your fitness and how being healthy makes you feel.Make exercise a goal and think of quitting as your reward for being physically fit.K语篇解读H为什么戒烟后人会发胖？该如何应对戒烟后发胖的问题呢？.Which of the follow

7、ing changes peoples appetite according to the new research?A.Nicotine.B.Appetite-regulating neurons.C.The receptors that bring about addiction.D.The food that has been consumed.K答案A K推理判断题。根据第二段可知，在尼古丁的作用下，调节食欲 的神经元失控，故归根结底，是尼古丁“改变” 了人们的食欲。.The author believes that.A.ice water can improve metabolic

8、rates.smokers should eat fewer snacks to keep slimC.stress can lead to fake hungerD.exercise can help one eat lessK答案 A K细节理解题。由文章倒数第三段“To improve metabolic （新陈 代谢的）ratesice water.”可知，A项正确。.According to the passage, we can infer that.A.exercise helps you bum calories and makes you not want to eat.sp

9、eeding up metabolic rates is helpful to lose weightC.it is nicotine that regulates how much food gets consumedD.drinking water is good to reduce the stressK答案力B K推理判断题。由第四段第二句可知，加快新陈代谢的速度可以 帮助减轻体重，故B项正确。X.The purpose of the text is.A.to introduce the result of a new study.to explain the reason why s

10、mokers become slimC.to prove the possibility of being a slim non-smokerD.to tell us ways to quit smoking without gaining weightK答案H D K主旨大意题。通读全文可知，文章从一项新的研究成果谈起， 分析了戒烟后体重增加的生理原因，并重点介绍了几种应对方法。应选D项。XPeople who keep doing some work in their field after they retire may enjoy better physical and mental

11、health than those who stop working completely or switch to another area of work, according to a U.S.study.Researchers from the University of Maryland said that the findings suggest that prospective retirees should consider moving into so- called “bridge employment as a transition（过渡）to full retireme

12、nt.For their study, Wang and his colleagues used data on more than 12, 000 workers in a U.S.health study begun in 1992.Overall, Wangs team found that people who went into some form of bridge employment were reported to have lower rates of major diseases like high blood pressure, heart disease, diabe

13、tes（糖尿病）and arthritis（关节 炎）during the study period than their counterparts who went straight into full retirement. On top of their better physical health, “bridge“ workers also tended to have fewer mental health problems, such as depression.The same mental health benefits were not seen, however, whe

14、n retirees took part-time work in other fields-possibly, Wang said, because many of these people may have taken those jobs out of financial need rather than choice.He noted that the lack of benefit could also stem from the fact that these retirees had to adjust to an unfamiliar job position or had t

15、o make lifestyle changes. Bridge work, particularly in ones accustomed field, may benefit physical and mental health for a number of reasons, according to Wang.In general, he explained, such work may help older adults maintain the active lifestyles they had during their careers and decrease any stre

16、ss they might feel from the transition into retirement.Wang said, “When it comes to mental health, for instance, bridge work may help by allowing people to keep some of the role identity5 that they have formed over their careers.v Staying active in general, not only through work, can also benefit re

17、tirees5 physical health, Wang noted.He added, however, that any mental health benefits are likely to depend on the type of activity-whether it is something that the person truly enjoys, and that it will help ease any stress of moving into retirement.K语篇解读U研究说明退休人员继续从事一份过渡性的工作，尤其是在自己熟悉的领域，有益于身心健康。.Wh

18、en retirees take part-time jobs in unfamiliar fields, they will.A.be less likely to have diseases than those who dont take any jobB.benefit as much as those who take a job in the accustomed fieldsC.benefit no more than those who go straight into full retirementD.benefit much in their mental healthK答

19、案A K细节理解题。根据第二段第二句可知，退休人员跨领域继续工 作比不工作的人患病概率低。D.Which of the following is not a possible reason why the retirees who took jobs in other fields benefited less in mental health?A.They took their jobs out of earning money.B.They were not accustomed to the new job.C.They had to adjust their lifestyle.D.T

20、hey regretted having made a wrong choice.K答案D K细节理解题。第三段指出，跨领域从事过渡性工作的退休人员 在心理健康方面受益并不明显，这是因为他们从事工作大多出于经济原因，他们 不得不调整生活方式，适应新的工作。U.What would be the best title of the text?A.Working after retirement can be good for your health.How to keep healthy after retirement?C.The ways of finding bridge workD.Th

21、e best way to relaxK答案AK标题归纳题。综合分析文章内容可知A项最符合文章主旨。U.Which of the following is true of bridge work”？A.It must be a part-time job.t can belong to the retirees5 unfamiliar field.C.It can certainly bring comfort to retirees in mentality.D.It cant help to ease the stress the retirees might feel.K答案H BK细节

22、理解题。过渡性工作是指退休人员退休后从事的工作，也包括跨领域的工作。UIts tough to connect with nature at this time of year. Your days are spent under artificial lights in a room, while the last of autumns flowers are hidden beneath piles of fallen leaves.NDD, or nature deficit（缺乏）disorder, has become hot lately.Although its not a re

23、cognized medical condition, concerns about its effects on health are attracting widespread attention.“I guess its a symptom of the current lifestyle， ” says Dr Ross Cameron of Sheffield University. Were so absorbed in modem technology and things that were less observant of the world around us and we

24、re more likely to learn about wildlife from the media than from a walk in the woods. ”Richard Louv coined the phrase nature deficit disorder” in his book Last Child in the Wbods.He argues that all of us， especially children, are spending more time indoors， which makes us separate from nature.Dr Came

25、ron gave his views on the subject in a lecture this month. The phrase has been used to describe the thing where we used to have natural processes and natural experience in our life, and that seems to be becoming less common, “ he said. Any green environment-from pot plants to weeds-can provide green

26、 space that attracts wildlife and exposes people to the benefits of the natural world.And if we dont experience natural places, this can be bad for our mental health.v“As biological beings we are adapted to be in a certain green environment-to run, to play, to hunt and to be active basically, “ said

27、 Dr Cameron, “The reality is we tend to sit fbr most of the day.”K语篇解读本文主要介绍了自然缺失症对人身心健康的危害及应对措施。.What is the common concern about NDD?A.How to connect with nature.B.What to do with fallen leaves.C.How it affects peoples health.D.What the latest hot word actually is.K答 案H CK细节理解题。根据第二段中的“concerns ab

28、out its effects on health are attracting widespread attention”可知，引起人们广泛担忧的是自然缺失症对健 康的影响。故正确K答案U为c。.Which of the following can replace the underlined word coined in Paragraph 4?A. Created.B.Repeated.C.Hid.D.Observed.K答案A K词义猜想题。根据语境可知，这句话的意思是“在林间最后 的小孩一书中，RichardLouv创造出了这一短语自然缺失症”。故正确K答案U为Ao3.What di

29、d Dr Cameron suggest doing in the text?A.Giving our own views on NDD.B.Bringing nature back into our life.C.Sitting in a room for most of the day.D.Providing a better environment for wildlife.K答案B K推理判断题。根据最后两段内容可知，自然缺失症对人的健康 有害，所以我们应该多接触绿色的自然世界，而不是久坐在室内。故正确K答案 为Bo3II .七选五Have you ever had times que

30、stioning yourself and feeling discouraged? If you answer yes, what youve experienced is negative selftalk. 1 .You say to yourself untrue things like, Im not good enough.Fm a disappointment. These false beliefs stop us in our tracks.So, how do you stop the negative self-talk?2Know youre special.You a

31、re “One of a Kind”! There is no other person that thinks exactly like you.When you begin to sincerely believe how special you are, its easier to fight the negative self-talk.Change your associationsYour negative self-talk comes from your environment. You didnt just accidentally wake up one day thinking of bad things about yourself.lt may be because someone， somewhere in your life, has told you negative things about you and whether you accept it or not, you believe them.However, if you surround yourself with the right people, they will build you up, inspire you and make