高二英语UNIT SEVEN課件.ppt

1、Unit 71.What diseases can you think of?2.Which of them are deadlydiseases?backacheLung diseaseLiver troubleKidney diseaseHIVAIDSHow HIV destroys cells.It is reported by the UN that in the world 40,000,000 people are living with HIV/AIDS,of whom 3,100,000 have died this year.DoYouKnowAny Deadly Disea

2、ses?Heart disease,Cancer,Stroke,Diabetes,Alzheimers disease,Asthma,SARS,AIDS(HIV)AIDS-获得性免疫缺陷综合征（艾滋病）获得性免疫缺陷综合征（艾滋病）HIV-Human immune deficiency virus人类免疫缺陷病毒（艾滋病病毒）人类免疫缺陷病毒（艾滋病病毒）First found in USA in 1981First found in 1983 Acquired immune deficiency syndromediseasescoldheadache toothachediarrhoeac

3、oughinginsomniaheart attackscaldcutWhile talking about AIDS,what other diseases can you think of?cancerAIDSdeadly diseasesIn Africa.many children are infected with HIV or AIDS.AIDS is the 4th leading cause of death worldwide and the No.1 cause of death due to infectious disease.It has become the wor

4、st medical disaster ever experienced by humankind.1.Only bad people get AIDS.2.I can become infected with HIV by swimming in a pool,holding hands or kissing someone with HIV.3.In 2oo2,there were 42 million people living with HIV/AIDS in the world.4.People who have not injected drugs do not need to g

5、et tested for HIV.5.If I had HIV,I would know because I would feel sick.6.HIV/AIDS is difficult to cure.7.People who have HIV look different from everyone else.8.It is safe to be friends with people who are living with HIV/AIDS.IUQSDIAZAIDS Quiz1 Only bad people get AIDS.2 I can become infected with

6、 HIV by swimming in a pool,holding hands or kissing someone with HIV.3 In 2002,there were 42 million people living with HIV/AIDS in the world.4 People who have not injected drugs do not need to get tested for HIV.5 If I had HIV,I would know because I would feel sick.6 HIV/AIDS is difficult to cure.7

7、 People who have HIV look different from everyone else.8 It is safe to be friends with people who are living with HIV/AIDS.shaking hands,hugging or kissing coughing or sneezinggetting a mosquito or insect bitesharing food,eating or drinking utensilsUsing drinking fountains using toilets or showersus

8、ing a public phoneusing public swimming poolsopening a doorConclusionMedical studies confirms that the AIDS virus cannot be transmitted via the following routes:cups,glasses,using toilets or showers,swimming pools,opening a door,mosquitoes,using a public phone,using drinking fountains,other insects

9、or giving bloodHow much do you know about AIDS?AIDS QUIZ Decide which of these statements are true and which are false.Tick the correct box.1.Only bad people get AIDS.2.I can become infected with HIV by swimming in a pool,holding hands or kissing someone with HIV.3.In 2004,there were 40 million peop

10、le living with HIV/AIDS in the world.4.People who have not injected drugs do not need to get tested for HIV.TrueFalseAIDS QUIZ Decide which of these statements are true and which are false.Tick the correct box.5.If I had HIV,I would know because I feel sick.6.HIV/Aids is difficult to cure.7.People w

11、ho have HIV look different from everyone else.8.It is safe to be friends with people who are living with HIV/AIDS.True FalseCan HIV be transmitted by.?using toilets or showersusing public glasses and cupsswimming in a public poolgiving bloodgetting a mosquito biteWhich of the following may lead to b

12、eing infected with HIV?HIV spreads through blood and other body liquid.Period 2SpeakingAIDSDrugsSmokingDrinkingIndividual workAgree or disagree?Getting AIDS is just a personal problem!Social problemscrimehealthhomelessnesspovertyfamily violencegamblingunemploymentdivorce Can you use your own sentenc

13、e to describe one of these social problems?What are social problems?When we talk about social problems,we mean crimes such as drug use,murder,theft or robbery and broken families.These social problems cause sadness,unhappiness,harm,fear and even wars in the world or in society.DrugsAIDSSmokingDrinki

14、ngSocial Problems!If you were an expert on social problems,What is the most serious problem today,AIDS,drugs,smoking or drinking?Role playSupporting an opinionI think that,because First,One reason is that For example,If we/they were to,we/they couldChallenging an opinionPerhaps,but what if/about?Hav

15、e you thought about?What makes you think that?Could you please explain?If I were you,I would 中新网11月24日电 法新社报道，联合国昨天警告，数据显示现时已有近4千万人为爱滋病毒带原者，今年估计有3百多万人死于此症，数字打破历年纪录。12月1日为世界爱滋病日，世界卫生组织和联合国爱滋病计划组织发表一年一度的爱滋病调查报告。报告估计310万人在2004年死于此症、约3,940万人为爱滋病毒带原者，当中490万人是在本年感染病毒，三项数字均为历年新高。报告点名指亚洲和东欧是爱滋病扩展最迅速的地区，女性愈来

16、愈受此病毒威胁，两个机构均警告全球要采取紧急行动。December 1Lets enjoy a healthy life and meanwhile care for others.Jane woks at the center for Disease Control and Prevention.She works as a disease detective.1.What does a disease detective do?2.Where does a disease detective often go to work?3.How does a disease detective w

17、ork?Listening:Part 11.They are trying to _ and _ disease.2.Jane usually asks people if they _ _ _,_ or _ _.She also asks When they _ _controlpreventhave a feverheadachesore throatgot sick3.She uses the information to find out _ _ _ _.4.some woks in _ where they _ _ and _.Others travel to _ or _ wher

18、e there are diseases and _ _ people _ _ _what caused the diseaselaboratoriesexamine testssamplestownsvillagestalk towho are sickListeningPart 1:1.What are the people at the Center trying to do?2.What kind of information does Jane collect?3.What does Jane do with the information she collect?4.How do

19、the“disease detectives”do their job?They are trying to control and prevent diseases.Jane usually asks people if they have a fever,Headache or sore throat and when they got sick.She uses the information she collects to find outwhat caused the disease.Some detectives work in a laboratory,and others,tr

20、avel to areas where a disease hasbroken out to collect information.Part2:1.How often does Jane go out to disease places?2.How does she feel about her job?about every three monthssometimes afraid but always careful3.What advice does she give to protect oneself?washing handsnot going to crowded places

21、wearing a mask if neededsee a doctor if you are sickListeningPart 2:Part 2:Take notes of what you hear on the tape and use youTake notes of what you hear on the tape and use younotes to tell your partner about Janes work,how shenotes to tell your partner about Janes work,how shefeels about her job,a

22、nd what advice she gives.feels about her job,and what advice she gives.Goes out about every 3 monthsFind out about new diseases from doctors and hospitalsSometimes visits areasSometimes afraid but always You can protect yourselves by washing hands and not going to crowded places;see a doctor if your

23、e sickListening(WB)Ken is learning about HIV/AIDS in school.His teacher has asked him to interview a doctor at the local hospital and write a report about basic HIV/AIDS facts.Listen to the interview and help Ken prepare the report.What do the letters AIDS stand for?HIV=Human Immunodeficiency VirusA

24、-AcquiredI-D-S-ImmuneDeficiencySyndromeListen to the tape and use what you have learnt about HIV/AIDS to answer the questions below.1.What does“acquired”mean?2.What is the function of ones immune system?3.What does AIDS do to our immune system?You get infected by the disease.Protect your body from d

25、isease.It weakens or breaks down the immune system.4.How do people become infected with HIV/AIDS?Most people get the HIV virus by:1.Having sex with an infected person.2.Sharing a needle(shooting drugs)with an infected person.3.Getting a transfusion of infected blood.4.Being born when the mother is i

26、nfected.5.What can we do to protect ourselves from HIV/AIDS?To decrease the risk of spreading HIV:Use condoms during sexual activity Do not share drug injection equipment Protect cuts,open sores,and your eyes and mouth from contact with blood.Get enough nutrition and exercise more.6.What can we do t

27、o learn more about HIV/AIDS?We can interview some experts or watch some documentaries about HIV/AIDS.Listen to the tape and fill in the blanks below.1 When a person infected with HIV _ 1 When a person infected with HIV _ AIDS,he or she easily gets _.AIDS,he or she easily gets _.2 A person with AIDS

28、has a very _ 2 A person with AIDS has a very _ _ _._ _.3 Many AIDS patients die of _ or 3 Many AIDS patients die of _ or serious _,but there are also many serious _,but there are also many diseases that we have never _ of.diseases that we have never _ of.4 Therefore,much of the _ an AIDS 4 Therefore

29、,much of the _ an AIDS patient receives is meant to help the body patient receives is meant to help the body _ _ against diseases._ _ against diseases.developssickweakimmunesysteminfectionscoldsheardtreatmentdefenditselfSpeaking(Page 50)Practise supporting and challenging an opinionTopics:1.AIDS is

30、the most serious problem2.Drugs 3.Smoking 4.Drinking 5.SARS6.Cancer Additional useful expressions1.In my opinion/personally,because2.It is obviously true that,because 3.My advice is that 4.I will show some examples to support my idea.5.It is time to make a decision that 40 million adults living with

31、 HIV/AIDS as of end 200340 million adults living with HIV/AIDS as of end 2003A global view of AIDS patientsA global view of AIDS patients（WHO,UNAIDS to Dec.2003,unit:million)adultadultChildren Children under under 1515In totalIn total HIV infection in HIV infection in 200320034.2m4.2m0.7m0.7m5m5m De

32、ath on AIDS in Death on AIDS in 200320032.5m2.5m0.5m0.5m3m3mDeath on AIDS from Death on AIDS from 1981 1981 20m+20m+HIV/AIDS in ChinaHIV/AIDS in ChinaWithout ControlTotal infection number in ChinaTotal infection number in China（to 2003)to 2003)1-5051-500501-10001001-50005001-1000010000HIV infectionH

33、ow are HIV transmitted?Having unprotected sex with HIV-infected person Sharing drug injection equipment like needles Childbirth or breastfeeding if a mother has HIV HIV-infected blood used in transfusionConclusionThe first TV play in China focusing on AIDSWorld AIDS DayDate:1st DecemberSymbol:Red Ri

34、bbon-To be continued in next periodlive withlearn to accept,accept;忍受与 住在一起；学会去适应，接受Most young people in America dont live withtheir parents.We have to learn to live with stress(压力）.You must live with the fact that you are no longer as strong as you were.你必须承认，你已经不象过去那样健壮了.Her voice will live with m

35、e until I die.留在记忆中lives bylive onlive by doing sth 靠.为生live on 以为主食，靠.生活,养活live out ones dream:make ones dream come trueThe old man _fishing。A man cant _ so few calories one day.deadly 致命的；极有害的；非常的Cancer is a deadly disease.癌症是一种致命的疾病。A deadly silence filled the class.教室里极其安静。deadly adj.-dead n-dea

36、th v-dieimaginary adj 想象中的；虚构的;幻想的The story is not real,it is only imaginary.imaginative adj 富于想象力的；爱想象的an imaginative child 有想象力的孩子imaginable adj 可想像的；想像的到的image n 图象，映象 imagine v 想象，设想narrative n 叙事，叙事体adj 叙事的narrate v 叙述narrator n叙述者false（反）true n.falseness adv.falselya false idea false teetha fa

37、lse coinfalse and bad-quality products false start 错的；不真实的；人造的伪造的谬见伪劣产品起跑犯规I can become infected with HIV by swimming in a pool,sitting in a bath.Vt.infect sb.with 传染给别人/用影响某人sb be/become infected with sth被传染上;被思想影响,感化One of my roommates infected me with a bad cold。Her spirit infected me a lot.When

38、he was in prison,he was infected with all sorts of ideas.他在狱中受到各种思想的影响。n infectionadj infectious传染的，感染性的infectious disease传染病Yawning is infectious.inject vt 注射，注满，喷射injectionnMedical studies show that the AIDS virus cannot be transmitted via the following routes.virus pl.virusesthe flu virus 流感病毒AID

39、S virusrabid virus 狂犬病毒transmit vt 传染，传导；遗传；传播n transmissionParents transmit some of their characteristcs to their children.Mosquitoes transmit virus.Iron transmits heat.The world Cup is being transmitted live now.via prep.by way of,through经由，经过He flew to Washington via New York。weve read Romeo and

40、Juliu via Chinese translation.通过中秋节前，我以航空邮寄的方式给父母寄去了一盒月饼。I sent a box of mooncakes via airmail to my parents before the Mid-Autumn Festival.blood n 血，血统bloody adj 可恶的，残忍的，嗜杀的cold-blooded冷血的；残酷无情的blue-blooded 贵族血统的；prevention n 预防，阻止，防碍 prevent vt prevent sb(from)doing sth =stop sb(from)doing sth =ke

41、ep sb from doing 他们阻挠我们获胜 They prevented us from winning.Take notes of what you hear on the tape and use your notes to tell your partner about Janes work,take notes of take note of1)No matter what she does,_ _(没有人特别注意她)2)Before you do experiment by yourself,_ _(你应该注意老师怎么做).3)_(记课堂笔记)can help you foc

42、us on what teachers are teaching.做笔记注意 nobody takes particular note of her you should take note of how the teacher doesTaking notes of the lecturespersuade 说服，劝服，使某人相信persuade sb to do sth说服某人做某事persuade sb into(doing)sth说服某人做某事persuade sb out of(doing)sth 说服某人不要做某事persuade sb of sth使某人相信某事persuade

43、sb that从句使某人相信I have persuaded my dad to give up smoking.=I have persuaded my dad into giving upsmoking.=I have persuaded my dad out of smoking.I persuaded Robert that the journey was too dangerous and he didnt go.Language points (reading)born dying出生即将死去be born+adj/nbe born a musician/a poet=a born

44、 musician/poet天生的音乐家/诗人break down 毁坏;分解;(机器/车)坏;(计划/谈判)失败;(谈话/通讯)中断;(身体)垮了;(精神)失控break down the immune system 破坏免疫系统 计划失败了。The plan broke down.身体垮掉了。The health broke down.车在半路上抛锚。The car broke down halfway to the destination.Water can be broken down into Hydrogen and Oxygen.immune adj免疫的；免除的；豁免的be i

45、mmune to/from/against免疫的；免于The medicine will make you immune to this disease.defenceless adj 无防备的defencen 防御；防卫defend v.防卫；保卫defensive adj防御用的；防御性的 leave-leave-cause or allow cause or allow sbsb././sthsth.to .to remain in a certain conditions,place remain in a certain conditions,place1)1)Dont Dont l

46、eaveleave the door the door open open.2)2)Terror Terror leftleft her her speechlessspeechless.3)3)Dont Dont leaveleave your work half your work half donedone.4)4)She She leftleft her baby her baby cryingcrying.5)5)Better Better leaveleave it it unsaidunsaid.ill-illness sick-sicknesstreatment V treat

47、（对待；治疗；款待）unprotected 无保护的；无防卫的v.protect 保护；保卫；防御protect sb/sth from/against保护某人或某物使其免受You need warm clothes to protect you against the coldn.protection 保护adj.protective 保护的sex n 性,性别sexy adj性感的transfusion n 输血，注入transfuse v 输血，灌输contract n.合同vt/vi.缔结（合同）,承包，染上（疾病，习惯等）He contracted to supply me with

48、 coal regularly.他订约按期供给我煤。contract a cold /bad habitsvi.收缩 to become or make shorter or smallerThe metal contracts with cold.金属受冷就收缩。vt.结交 contract a friendship for a person I contracted many friendships.我结识了许多朋友。contract in订约参加contract out of 退出合同、计划等die of 内因（情感，饿冻，生病）die of hunger,cold,old,sorrow

49、,disappointed love(失恋）,age,illness,thirstdie from 外因die from a wound，an accident，overwork，drinking，some unknown cause In the old times,many people hunger and cold.The fish in that river all polluted water.Many passenger the terrible traffic accident.died ofdied fromdied from1.The fire had _ and the

50、room was getting cold.2.The colors of the sunset _.3.The fighter _ a wound.4.Many people _ hunger in Africa.5.The members of the family are _.6.He is the last of the family;after his death the name will _.died downdied awaydied fromdie ofdying offdie out die of die from die outdie down火，风暴疼痛等逐渐消失die

51、 off 先后死去，一一死去die away 声音，颜色等减弱，淡化 die for（为而死）be dying垂死 be dying for sth想某物想得要死 be dying to do sth非常想做某事 lack n&vt/vi 缺乏；短少作名词时，常用 lack of 缺乏；缺少She showed a lack of humour.(可加a)I cannot buy the bike because of my lack of money.vt&vi 缺乏，短少，没有常和介词for 搭配（用于否定句）I cant buy the car because I lack(vt.)mo

52、ney.She doesnt lack(vi)for money.(作不及物动词时 常和介词for 搭配（用于否定句)be lacking in(wisdom,courage,humor)缺乏(某种品质、特点等）不够 He seemed to be lacking in courage.proper adj合适的，适当的（没有比较级）It isnt proper to telephone him at this late hour.a proper tool for the job适用于做这个工作的工具(常与介词 for 搭配)available 可利用的，可达到的，有效的The ticket

53、 is available for three days.这张票有效期三天。They have tried all available means to open the door.他们曾试用所有有用的方法来开这门。available power有效功率 discourage vt 使泄气；使失去信心Dont let one failure discourage you,try again.discourage sb from doing sth劝阻某人做某事discouraged感到沮丧的discouraging 令人沮丧的encouraged受到鼓舞的encouraging令人鼓舞的che

54、er 使高兴；使鼓舞;欢呼；喝彩cheer sb up 使感到振奋，使感到高兴Your visit has cheered the sick man up.They all cheered up at the news.Everyone was cheered by the good news.The boys cheered their football team.cheer n.欢呼声A cheer arose from the crowd when he came.adjcheerful高兴的，愉快的suffer from遭受（痛苦、疾病、损失等）Every night he suffe

55、rs from headache.They suffered huge losses in the earthquake.n.suffering痛苦；困难specialist special specialityspeciallyespeciallyn专家adj特别的，特殊的n专业，特长，特产adv 专门地，特别地adv 特别地，尤其地Fill in the blanks according to the first letters.1.V_ cause illnesses such as the common cold,flu and measles.2.after a year,she w

56、as c_ of cancer,and she still works happily now.3.One of the boys in the class had a fever and he soon i_ other children.4.The virus is t_ via physical contact.5.Simon is not a_ at the moment.Should I ask him to call you back?irusesnfecteduredransmittedvailable6.We have been asked to l_ our presenta

57、tion to 5 minutes maximum.7.He dosent often get flu,but when he does he really s_.8.Normally,people and animals that are d_ are weak and unable to protect themselves from attack.imituffersefencelessstrengthn力量，力气-strong adj强壮的；坚强的-strengthen v 加强；变强fighter n战士，奋斗者，战斗机-fightv 打仗，打架，战斗-fighting n 战斗，开

58、火adj 挑战性的recover vt&vi 恢复；康复，弥补She recovered her health.I think she will recover soon.recovered adj痊愈的be recovered from(illness)Are you recovered from your illness?contrary adj 相反的；相对的；/n 反面*Hot is the contrary of cold.on the contrary 正相反，反之*I thought it was going to clear up.On the contrary,it bega

59、n to rain.*Our sailing boat was delayed by_我们的帆船被逆风耽搁了。=the other way aroundcontrary windsfor the momentat any moment/timeat the momentat that momentin/after a moment暂时，目前随时目前，现在在那时过了一会儿(be)free from不受的影响,无的*He felt relaxed to be free from difficulties.*The child is free from care.(be)free of远离；摆脱*I

60、f your wages are very small,you will be free of income tax.GrammarThe Subjunctive MoodWishIn Subjunctive moodPart1I wish I were as tall as you.I wish I were a bird.I wish every day were my birthday.I wish/wished I hadnteaten so much watermelon.The party was awful,I wish I hadnever gone to it.wish(th

61、at)+subject+unreal past(与事实相反的情况,express regret）wish(that)+subject+a past tense（与现在事实相反）wish(that)+subject+past perfect（与过去事实相反）I wish it would rain tomorrow.wish(that)+subject+would将来不大可能实现的愿望He behaves as if he owned the house.(But he doesnt own it or probably doesnt own it or we dont know whether

62、 he owns it or not.)as if/as thoughas if/as though+past subjunctiveTo indicate unreality or improbability or doubt in the present.Part2He talks about Rome as though hehad been there himself.as if/as though+past perfectto refer to a real or imaginary action in the past.ifPart3What will you do if it r

63、ains tomorrow?I will stay at home if it rains tomorrow.Well have lessons in the classroom if it rainstomorrow.Well visit the museum if it rains tomorrow.The football match will be put off if it rains.Information will be looked up in the internet if it rains.Task1 interview your partnerWhat will you

64、do if it is fine tomorrow?真实条件句用于陈述语气,假设的情况可能发生,其中if是“如果”的意思条件从句一般现在时主句shall/will+动词原形What wouldyou do if you won the lottery?If I won the lottery,I wouldIf I won the lottery,I wouldbuy an expensive car.If I had a lot of money,I would buy a villa.If I had a lot of money now,I would travel around the

65、 world.If it were fine now,I would go shopping.If I _a teacher,I.were同现在事实相反的假设条件从句一般过去式主句should(would)+动词原形Task2.Choose one of the topics and discuss it in groups.1.You had a dream that you were a teacher.What would you do if you were a teacher?2.Suppose you won a lot of money.What would you do wit

66、h the money?If I _time last night,I _ to see the film with you.had hadwould have goneIf he more carefully,he the car accident yesterday.had drivenwould not have hadIf I how to swim,I trapped in this island.had learntwould not have beenTask3.solve problems The students failed the English exam.Could y

67、ou give him some suggestions?One of your friend got HIV last year.He suffered a lot.What could you do help him?与过去事实相反的假设条件从句过去完成时主句should(would)have+过去分词If you succeeded,everything wouldbe all right.If you should succeed,everything would be all right.If you were to succeed,everything would be all r

68、ight.If he got up early,he would be on time对将来的假想条件从句一般过去时were+不定式should+动词原形主句should+动词原形would +动词原形/should+动词原形If the staff had beenmore careful,the mall would not be on fire now.If you had asked him yesterday,you would know what to do now.主句与从句的动作发生在不同的时间,这时主从句位于动词的虚拟语气形式因时间不同而不同,这叫做混合条件句.例句中从句与过

69、去事实相反,主句与现在事实相反真实条件句非真实条 件句（现在）非真实条件句（过去）非真实条件句（将来）Will do if doesWould doifdidWould have doneifhad doneWould doifdid(should do,were to do)Task4 writing(choose topic)1.Drowning 2.Traffic accidents 3.A fire happened.4.Cuts by a knife 5.Bite by a dog(What would you do in the above situations?What could we do to prevent these accidents?)