高中英語 Unit3 A healthy life Period 5優(yōu)秀教案 新人教版選修6

1、Period 5Reading and Writing教學(xué)內(nèi)容分析The teaching materials of this period contain two parts.The first part is the reading passage on Page 22 titled HIV/AIDS：Are You at Risk? which is about what is HIV/AIDS，how it is contacted and how to protect oneself from getting the disease.The second part is the wr

2、iting task on Page 24，which asks the students to write a letter to Li Xiaolei to give her some advice on her problems.三維目標(biāo)設(shè)計(jì)Knowledge and skills1To enable the students to know something about what is HIV/AIDS，how it is contacted and how to protect oneself from getting the disease.2To get the student

3、s to learn the following useful new words and structures：judgment(看法；判決；判斷)，awkward(局促不安的；笨拙的)，It is/was.that/who.，be likely to.3To help the students learn how to write a letter giving advice.4To foster the students' ability in skimming and looking up information in reference books and improve t

4、he students' reading ability.Process and methodsReading for specific information，summarizing，discussing and practicing.Emotion，attitude and value1To arouse students' awareness of the harm caused by HIV/AIDS.2To help students not to put themselves at risk out of ignorance and take a sympathet

5、ic attitude towards those who already suffer from the disease instead of looking down upon them.教學(xué)重、難點(diǎn)1The understanding of the reading passage.2The following key sentences：(1)For a person to become infected，blood or sexual fluid that carries the virus，has to get inside the body through broken skin

6、or by injection.(2)Here are some things you can do to make sure you stay safe.(3)It is only when the disease has progressed to AIDS that a person begins to look sick.(4)Women are slightly more likely to become infected than men.3Teaching the students how to write a letter giving advice.Step 1Revisio

7、nCheck the answers to the grammar exercises on Page 21 and explain the difficult ones.Step 2Leadin by reading the following sentencesBy the end of 2003，an estimated 42 million around the world were living with HIV/AIDS.During the year,5 million people became infected and an estimated 3 million peopl

8、e died.About onethird of people living with HIV/AIDS are 1524 years of age.More than 7 million people in Asia and the Pacific are living with HIV/AIDS.Step 3PrereadingIt is likely that many students have incorrect information about the disease，so teachers should first get students to talk about some

9、thing about HIV/AIDS by asking the following questions：Can ordinary people be at the risk of contracting HIV？In what way can people get infected？What measures can people take to protect themselves？Will people die if they have HIV?Step 4Fast readingThis passage can be divided into three sections.Scan

10、 the text and find out what's the main idea of each section.Section 1：_Section 2：_Section 3：_Suggested answers：Section 1：Background information about what the disease is.Section 2：Ways to protect yourself.Section 3：To make some false beliefs disappear.Step 5Detailed reading1Read the text careful

11、ly and fill in the blanks.Information about HIVWeaken a person's (1)_Spread through (2)_ or the fluid made during sex.Ways to protect yourselfDon't share your (3)_ with anyone else.Use a condom if you have sex with a male or a female.Some wrong statementsYou can tell by (4)_ someone whether

12、or not they have HIV.If you hug，(5)_ someone with AIDS or visit them in their home you will get HIV/AIDS.2.Decide whether the following statements are true(T) or false(F)(1)You can only get HIV from injecting drugs.(2)It is very likely that you will die if you get infected with HIV.(3)If you look he

13、althy，you cannot have HIV.(4)It could be dangerous to have sex without using a condom.(5)Taking food from the same dishes as someone infected with HIV will give you HIV too.(6)If you have HIV，you will always get AIDS eventually.Suggested answers：1(1)immune system(2)blood(3)needle(4)looking at(5)touc

14、h or kiss 2FTFTFTStep 6DiscussionDivide the students into groups of six and discuss the following question.Has your attitude towards people with HIV/AIDS changed after reading the passage？If so，how？If not，why not?Ask one student of each group to report their answer，and the other students can challen

15、ge his report.Step 7Language studyShow the students the following language points in a slide show.1judgement(P23)【原句再現(xiàn)】Before you read this text，what judgements did you make about people with HIV/AIDS?在閱讀這篇課文之前，你對(duì)感染艾滋病病毒的人有什么看法？【觀察探究】(1)He passed judgement on the guilty man.他對(duì)那個(gè)罪犯作出了裁決。(2)Her decisi

16、on seems to show a lack of political judgement.她的決定似乎顯示出缺乏政治判斷力。(3)In my judgement，we should accept their apology.依我看，我們應(yīng)該接受他們的道歉?！練w納總結(jié)】judgement n看法；判斷；判決；in one's judgement 在某人看來pass judgement on作出裁決【詞匯辨析】 judgement，discrimination和sense這些名詞均含“識(shí)別力、判斷”之意。judgement指經(jīng)過訓(xùn)練或磨煉或憑經(jīng)歷而得到辨別或判斷事物的能力或品質(zhì)。dis

17、crimination指辨別精微事物的能力，甚至平時(shí)觀察不到的也可識(shí)別出來。sense指不帶幻想、感情或偏見地觀察事物，并能作出明智、公平的選擇與決定。2awkward(P24)【原句再現(xiàn)】Then she offered me a cigarette and I felt so embarrassed and awkward.然后她遞給我一支煙，我感到非常尷尬與不安?！居^察探究】(1)The heavy ax was awkward to use.這把重斧頭不好用。(2)Your refusal puts me in an awkward position.你的拒絕讓我感到十分為難。(3)A

18、t the formal party，I felt very awkward and out of place.在正式的舞會(huì)上，我感到局促不安，很不自在。【歸納總結(jié)】awkward adj. 局促不安的，笨拙的3For a person to become infected，blood or sexual fluid that carries the virus，has to get inside the body through broken skin，or injection.(P22)攜帶病毒的血液或體液必須通過皮膚上的創(chuàng)口或通過注射才能進(jìn)入人體，使人受感染。句中有一個(gè)that引導(dǎo)的定語

19、從句，修飾blood or sexual fluid；to become infected是不定式短語作person的后置定語。4Here are some things you can do to make sure you stay safe.(P22)你可以按照這里列舉的一些注意事項(xiàng)去做，以確保自己安全。things后跟了一個(gè)定語從句you can do；動(dòng)詞不定式短語to make sure you stay safe表示目的，make sure后接賓語從句you stay safe，省略了連接詞that，stay 在此處是一個(gè)系動(dòng)詞，意為“保持”，后接形容詞。例如：They are

20、going to stay awake to see the lunar eclipse.他們打算不睡覺等著看月食。5It is only when the disease has progressed to AIDS that a person begins to look sick.(P22)只有當(dāng)這種病發(fā)展成艾滋病時(shí)，人才會(huì)顯出病態(tài)。 It is/was.that/who.是強(qiáng)調(diào)結(jié)構(gòu)，它可以用來強(qiáng)調(diào)句中的某些成分，如主語、賓語、狀語等，但不能用來強(qiáng)調(diào)謂語和表語。原句是： A person begins to look sick when the disease has progresse

21、d to AIDS.6Women are slightly more likely to become infected than men.(P22)女性感染病毒的可能性比男性稍微大一些。be likely 后接不定式或從句，表示“可能會(huì)”。如：He's likely to arrive late this afternoon.他今天下午可能會(huì)遲到一會(huì)兒。It's likely that they will camp out tonight.他們今天晚上可能要在外面露營了。Step 8Writing 1Read this letter and imagine you are W

22、ang Ping，the adviser who deals with students' problems.Write a letter to give Li Hua some helpful advice.Dear Wang Ping，Can you help me，please？I have tried to stop smoking several times.I am OK for two days and then I feel really sick and irritable and I have to start smoking again.I know smokin

23、g is a bad habit，but I just can't seem to give it up.Do you have any useful tips?Yours sincerely，Li Hua2Before the students write the passage，guide them to do the following things.(1)Help students decide the tense of the letter.(2)Ask them to note down 35 tips they would like to include in their

24、 letter.(3)Let them discuss with each other how they will organize their letter.One possible version：Dear Li Hua，I am sorry you have had so much trouble to stop smoking，but I am glad you are still trying.I hope the tips below will help you.First of all，don't give up.The more often you try，the mo

25、re likely you are to eventually succeed.When you feel irritable，don't automatically reach for a cigarette to make you feel better.Take a few moments to relax.Start by breathing deeply and lifting your arms out to the side and over your head.It is a good idea to drink lots of water and eat lots o

26、f fruit when you are quitting smoking.This will help to remove the nicotine from your body faster and you won't feel so sick.It is normal to feel a little stressed when you first give up smoking，but try to remember that it will only last a few days and then you will begin to feel much better.Kee

27、p up the good work，Li Hua，and remind yourself how much healthier you will be when you finally quit.Good luck and best wishes!Yours sincerely，Wang PingStep 9Homework1Master the language points in the text.2閱讀下面這封摘自 21st Century的一名中學(xué)生的來信，并據(jù)此寫一封回信(信的開頭已為你寫好。詞數(shù)120左右)。回信應(yīng)包括如下要點(diǎn)：(1)鼓勵(lì)A(yù)my堅(jiān)定求學(xué)信心，志存高遠(yuǎn)。(2)就Am

28、y的目前狀況，提兩到三個(gè)建議。Dear Editor，I am a new student at No.1 Middle School of Chongqing.My home is far from Chongqing，so I must live at school.This is the first time for me to get away from my parents.I feel very sad.When I left home，I could hardly tear myself away from them.I do not want to be alone at sc

29、hool，and I am a shy girl.I have been crying in bed at night these days.I want to stay at home forever.I miss my parents very much.Could you tell me what to do?Your early reply is expected. Regards，Amy_One possible version：Dear Amy，Thank you for your letter.I am so glad to have a talk about your pres

30、ent situation with you.People often miss their parents the first time they leave home.Most people do have to leave home for higher education or employment.You cannot live with your parents forever.I think you should realize that present separation will help your academic development and your improve

31、ment of personal ability.You need to make friends in your school，sharing ideas with your classmates who are physically closest to you now.Maybe you will still miss your parents，but your new friends will bring happiness and joy to your new life.Also I suggest you enjoy yourself by taking an active pa

32、rt in different kinds of activities in school.You will get much pleasure from it.Wish you happy every day.Faithfully yours，EditorStep 10Reflection after teaching_What We Still Don't Know About AIDS？(艾滋病還有哪些未解之謎？)In the 20 years since the first cases of AIDS were detected，scientists say they have

33、 learned more about this viral disease than any other.Yet Peter Piot，who directs the United Nations AIDS program，and Stefano Vella of Rome，president of the International AIDS Society，and other experts say reviewing unanswered questions could prove useful as a measure of progress for AIDS and other d

34、iseases.Among the important broader scientific questions that remain：1Why does AIDS predispose infected persons to certain types of cancer and infections?A longstanding belief is that cancer cells constantly develop and are held in check by a healthy immune system.But AIDS has challenged that belief

35、.People with AIDS are much more prone to certain cancers like nonHodgkins lymphomas and Kaposi's sarcoma，but not to breast，colon and lung，the most common cancers in the United States.This pattern suggests that an impaired immune system，at least the type that occurs in AIDS，does not allow common

36、cancers to develop.2What route does HIV take after it enters the body to destroy the immune system?When HIV is transmitted sexually，the virus must cross a tissue barrier to enter the body.How that happens is still unclear.The virus might invade directly or be carried by a series of different kinds of cells.3How does HIV subvert the immune system?Although HIV kills the immune cells sent to kill the virus，there is widespread variation in the rate at which HIV infected people become ill with AIDS.So scientists ask：Can the elements of the immu