春长沙市一中高二寒假自主学习Unit 2Period One优选.docx

1、春长沙市一中高二寒假自主学习Unit 2 Period One优选Is your lifestyle healthy? There may be many little and common habits that can endanger your daily life.See the following five unhealthy common life habits.How many ones do you have?Everyday health hazard 1： 1 Whether youre complimenting your best friends unflatterin

2、g(有损形象的，不敢恭维的) hairdo or “improving” on the cost of your new designer shoes，we all tell the odd fib from time to time.However，according to research，those little white lies could be more harmful than you think.Lying can generate feelings of stress which are damaging your health，and a study by researc

3、hers at the University of Notre Dame found that when people reduced the amount of lies，they suffered from less headaches，sore throats and anxiety.Everyday health hazard 2： 2 If youre having a busy day in work，it can be tempting to skip your lunch break and eat at your desk.However，missing out on bre

4、aks is not only bad for your stress levels，eating while distracted may also mean you are more likely to overeat.Furthermore，spending your lunch hour at your desk can lengthen the time you are physically inactive and also expose you to harmful bacteria.According to a study by the University of Arizon

5、a，your work station contains nearly 400 times more germs than the average toilet seat，making it a less than ideal place for dining.Everyday health hazard 3： 3 Need an excuse to put your feet up? Well, good news: research suggests that leaving the housework for another day could give your health a bo

6、ost! Research results published in the Journal of Family Psychology revealed that doing housework when you get home from work prevents levels of cortisol (the stress hormone) from lowering and reduces recovery from stress.However，stress levels for both men and women were lowered by housework being c

7、ompletedjust so long as they werent the ones doing it.Look after your health by taking turns to do the housework with other members of your household if possible，and take time out to relax afterwards.Everyday health hazard 4： 4 Withdrawing money from ATM machines is a common habit for most of us.How

8、ever，cleanliness tests in Britain have revealed that cash machines are just as dirty as public toilets，and many of us are failing to wash our hands after using them.Experts assessed swabs(药棉棒) from the key pads on cash machines and also from nearby public toilets and found that they both contained t

9、he same types of bacteria known to cause sickness.To look after your health，use an antibacterial hand gel once you have made your withdrawal and after handling money.Everyday health hazard 5： 5 Find yourself frequently cancelling plans and bailing out on social events to have a bit of time to yourse

10、lf? Then it may be time to pay some attention to your social life.While a bit of “me time” is essential to good mental and physical health，too much time on your own can actually be bad for you.Research suggests that having strong social bonds promotes brain health，reduces feelings of depression and

11、stress and encourages you to look after your health.In fact，a study found that having few friends affects your longevity as much as smoking 15 cigarettes a day.根据短文内容，选出能填入短文空白处的最佳选项。AEating at your deskBUsing cash machinesCCancelling plansDLyingEHousework答案1.D2.A3.E4.B5.CPeriod OneWelcome to the un

12、it & ReadingPrereading匹配左边的单词和右边的汉语意思第一组1chemist A外科医师2needle B药剂师，药商；化学家3surgeon C针，针头；指针4revolution D柜台；计数器；反驳5counter E巨变，大变革；革命答案1.B2.C3.A4.E5.D第二组6cupboard A药片；丸；牌，匾，碑7acid B应用，运用；申请8tablet C可能性，潜在性；潜力，潜能9potential D酸，酸性物质10application E橱柜；食物柜；衣柜 答案6.E7.D8.A9.C10.B第三组11sickness A批准，通过；赞成，同意12st

13、roke B症状；征兆13approval C大规模的；数量极多的14symptom D疾病；恶心，呕吐15mass E中风，脑溢血；(打、击等的)一下，一击；轻抚；笔画答案11.D12.E13.A14.B15.C第四组16lifesaving A对极重要的，必不可少的17beneficial B有效的；实际的，事实上的；生效的18bestselling C救命的，救生的19vital D不正常的，反常的20abnormal E有益的，有用的21effective F畅销的答案16.C17.E18.F19.A20.D 21.B第五组22chew A(使)加速，加快23possess B使十分惊

14、讶，使吃惊24circulate C拥有，具有25astonish D循环；传播，散布；传递，传阅26accelerate E流血，失血27bleed F咀嚼，嚼碎；咬，啃答案22.F23.C24.D25.B26.A 27.ESkim the passage and finish the following exercises.1What are the two medicines mentioned in the article?Aspirin and penicillin.2When was penicillin first discovered?In 1928.3What award d

15、id Fleming，Florey and Chain share?The Nobel Prize in Medicine.Read the passage carefully and choose the best answer.1Which of the following is considered to be the time when Aspirin was invented?A3,500 years ago.B2,500 years ago.C1897.D1899.答案C2Which of the following cant Aspirin be used for?AKeeping quiet.BPain killing.CCuring diabetes.DReducing heart attacks.答案A3Which of the following is TRUE?APenicillin can keep people healthy by thinning their blood.