人教全日制普通高中英语（必修）高二上07

[00:06.79]Jane works¹ at the Center for Disease² Control and prevention
[00:12.12]as a disease detective.
[00:15.46]Listen to the tape and answer the questions.
[00:19.91]The Diseases³ detective.
[00:23.46]Jane is one of the experts at the Center for Disease Control and Prevention.
[00:30.62]People at the center study how the diseases start and spread,
[00:36.57]and as the names shows,try to control and prevent diseases.
[00:43.42]We ask Jane about her work.
[00:46.97]Part One  Well,I have to be a detective.
[00:52.61]I go to a place where disease has broken out
[00:57.44] and I look for clues about the diseases.
[01:02.17]I try to find as much information as I can about what happened.
[01:08.65]Who were sick,what are the signs,do they have a fever,
[01:14.81]a headacheor a sore throat,when did they get sick?
[01:20.59]When I have collected the information,
[01:24.74]I use it to find out what caused the problem.
[01:29.60]We can use what we learn to prevent others from getting sick.
[01:35.24]Jane,and other disease detective at the center do their jobs in different ways.
[01:42.61]Some detectivesworking in laboratories⁵ where they examine test and samples.
[01:49.09]Others travel to towns or villages
[01:53.63]where there are diseases and talk to people who are sick.
[01:58.60]All of the experts of the center know that their work is important.
[02:04.55]If they do their jobs well,they will save lives.
[02:09.80]Part Two 
[02:13.07]How often do you actually go to the places where a new disease has broken out?
[02:19.42]B:Oh,It happens every now and then,probably about every three month or so.
[02:26.78]A:How do you find about new diseases?
[02:31.35]B:We will usually hear from doctors and hospitals.
[02:36.11]If they notice anything strange,they will give us a call and ask for a help.
[02:42.35]If we think it is necessary,we'll go to the place when people are getting sick.
[02:49.12]A:Are you afraid of catching⁶ the diseases you are studying?
[02:54.47]B:Well,yes sometimes,but we are always very careful.
[03:00.43]If you know what you are doing,you can protect yourself.
[03:05.70]Besides,I'm more afraid of what might happen if we don't find out what kind of disease it is.
[03:13.15]A:What can ordinary people do to protect themselves?
[03:18.71]B:The best thing you can do is simply to wash your hands often,
[03:24.17]and try to avoid crowded places.
[03:28.54]Wearing a mask over your face may help,
[03:33.19]but it is probably not necessary unless you are caring for a sick person.
[03:39.85]It is also important to see a doctor if you get sick,
[03:44.91]so that you don't spread disease without knowing it.
[03:53.06]Work Book  Unit 7  Listening
[03:59.31]Ken⁴ is learning⁷ about HIV/AIDS in school.
[04:03.85]His teacher has asked him to interview a doctor at a local hospital
[04:10.02] and write a report about basic HIV/AIDS facts.
[04:15.58]Listen to the interview and help Ken prepare the report.
[04:21.22]Part One  A:Hello,Dr Wards⁸.
[04:25.98]  Thank you for letting me interview you.
[04:29.92]B:You are welcome.Now,what would you like to know?
[04:34.89]A:Well,my first question is about the name of the disease.
[04:41.16]What does AIDS stand for?
[04:45.20]B:When we talk about AIDS,we often use the term HIV/AIDS.
[04:51.45]HIV is the virus that causes AIDS.
[04:56.49]AIDS stands for Acquired Immune⁹ Deficiency¹⁰ Syndrome¹¹.
[05:02.26]A:Acquired Immune Deficiency Syndrome?
[05:07.30]OK,got it.But I'm not sure I understand what it means.
[05:13.78]B:Well,to acquire something is to get something,
[05:19.24]so acquired means that you can get infected with the disease,
[05:24.70]Immune comes from Immune system,
[05:29.56]the system that protects your body from diseases.
[05:34.32]A:So Acquired Immune
[05:38.26]tells us that this is the disease that we can get from other people.
[05:44.22]And that it has something to do with our immune system.
[05:48.97]What exactly does AIDS do to our immune system?
[05:54.25]B:That's what the next word tells us

[05:58.09]If something is deficient,it means that it isn't functioning probably.
[06:04.56]It isn't working in the way it should.
[06:08.51]So Acquired Immune Deficiency
[06:13.19]means that even though we were born with a good immune system
[06:18.64] we have now got the disease that breaks down the immune system.
[06:24.71]A:Wow,that's terrible.
[06:28.36]So what happens when someone's immune system doesn't work?
[06:34.24]B:Well,to put it simply,he or she gets sick lot.
[06:39.57]The last word in AIDS 'Syndrome',
[06:44.01]means all the bad things that happen to your body,
[06:48.76]when the immune system doesn't work.
[06:53.13]Part Two  People who die of AIDS actually don't 'die' of AIDS.
[06:59.79]When a person infected with HIV develops AID.
[07:05.25] She or she easily gets sick.
[07:09.40]A person with AIDS has a very weak immune system.
[07:14.44]Many common diseases can be cured in patients whose immune system functions well.
[07:21.60]But when they enter the body of a person with AIDS,they can kill him or her.
[07:28.08]Many AIDS patients die of infections or serious colds.
[07:34.03]But there are also many diseases that we have never heard of.
[07:39.36]If your immune system is working,they may not be able to any harm.
[07:46.13]But because the immune system has been weakened¹² the disease can't be cured.
[07:52.48]They will grow stronger and stronger
[07:56.34]until one day they kill the patient with AIDS.
[08:01.49]Therefore,much of the treatments AIDS patients receives
[08:07.26] is means to help the body defend itself against diseases

1 works   

n.作品，著作；工厂，活动部件，机件

参考例句：

• We expect writers to produce more and better works.我们期望作家们写出更多更好的作品。
• The novel is regarded as one of the classic works.这篇小说被公认为是最优秀的作品之一。

2 disease   

n.疾病，弊端

参考例句：

• The doctors are trying to stamp out the disease.医生正在尽力消灭这种疾病。
• He fought against the disease for a long time.他同疾病做了长时间的斗争。

3 diseases   

n.疾病( disease的名词复数 )；弊端；恶疾；痼疾

参考例句：

• Smoking is a causative factor in several major diseases. 抽烟是引起几种严重疾病的病因。
• The illness frequently coexists with other chronic diseases. 这种病往往与其他慢性病同时存在。

4 ken   

n.视野，知识领域

参考例句：

• Such things are beyond my ken.我可不懂这些事。
• Abstract words are beyond the ken of children.抽象的言辞超出小孩所理解的范围.

5 laboratories   

n.实验室( laboratory的名词复数 )

参考例句：

• For, eight years, Marie Curie worked in cold laboratories with poor equipment. 整整八年，居里夫人在设备简陋、冰冷的实验室里做着实验。 来自英汉非文学 - 科学史
• Some commercial laboratories use periodic nitrate tests as guides. 许多商业性的试验室已应用定期的硝态氮分析作为指导。 来自辞典例句

6 catching   

adj.易传染的，有魅力的，迷人的，接住

参考例句：

• There are those who think eczema is catching.有人就是认为湿疹会传染。
• Enthusiasm is very catching.热情非常富有感染力。

7 learning   

n.学问，学识，学习；动词learn的现在分词

参考例句：

• When you are learning to ride a bicycle,you often fall off.初学骑自行车时，常会从车上掉下来。
• Learning languages isn't just a matter of remembering words.学习语言不仅仅是记些单词的事。

8 wards   

区( ward的名词复数 )； 病房； 受监护的未成年者； 被人照顾或控制的状态

参考例句：

• This hospital has 20 medical [surgical] wards. 这所医院有 20 个内科[外科]病房。
• It was a big constituency divided into three wards. 这是一个大选区，下设三个分区。

9 immune   

adj.免疫的，有免疫力的，不受影响的，免除的

参考例句：

• I am immune from the disease,for I had it once.我对这病有免疫力，因为我已得过一次了。
• Be immune from corruption.拒腐蚀，永不沾。

10 deficiency   

n.缺乏，不足，缺点，缺陷

参考例句：

• During the war children suffered from a deficiency of food.战争期间孩子们遭受缺乏食物之苦。
• Fortunately,color deficiency is not a serious medical problem.幸运的是，色盲并不是一种严重的医学问题。

11 syndrome   

n.综合病症；并存特性

参考例句：

• The Institute says that an unidentified virus is to blame for the syndrome. 该研究所表示,引起这种综合症的是一种尚未确认的病毒。
• Results indicated that 11 fetuses had Down syndrome. 结果表明有11个胎儿患有唐氏综合征。

12 weakened   

adj.虚弱的v.（使）削弱， （使）变弱( weaken的过去式和过去分词 )

参考例句：

• The team has been weakened by injury. 这个队因伤实力减弱。
• In his weakened condition, he is very susceptible to cold. 他身体很弱，因此很容易患感冒。 来自《简明英汉词典》