陕西省西安市长安一中高中英语《Unit 3 A Healthy Life》教学案 新人教版选修6.doc

陕西省西安市长安一中高中英语选修六unit 3 a healthy life教学案using language hiv/aids: are you at risk?analyzing the teaching material 教材分析 in this period, students will be guided to understand to read a narration about hiv/aids. the reading passage titled “hiv/aids: are you at risk?” is about a serious disease of aids. i will get students to skim for topic sentences of each section, and then scan for further understanding. at last, ill ask students to draw their conclusion about hiv/aids.teaching objectives 教学目标1. target language目标语言.重点词汇和短语hiv, aids, virus, immune, infected, needle, sexual activity, be infected with2. ability goals 能力目标enable the ss to get some basic knowledge about hiv / aids.3. learning ability goals 学能目标help the ss learn how to protect themselves from hiv / aids and what they can do to help persons with hiv / aids.teaching important points 教学重点in what ways the hiv virus is spread and how to stay safe.teaching difficult points 教学难点explain the ways the hiv spreads with target language.enable students to learn to express their opinions.teaching methods 教学方法skimming and scanning.cooperative learning.discussion.teaching aids 教学工具multimedia facilities, tape- recorder.teaching procedures 教学过程step 1 warming up1. lead the ss to the topic of aids.tell the students: some days in a year are educational.show them on the screen: 1) march 12th the planting day 2) march 5th leifeng day of service 3) dec 1st the world aids daywhat does aids stand for?a=acquired i=immune d=deficiency s=syndrome(爱滋病, 获得性免疫功能丧失综合症)hiv= human immunodeficiency virus(人体免疫缺损病毒，艾滋病病毒)2. show the following facts on the screen:1) each year, more than 5 million people become infected with hiv.2) since the first case was discovered in 1981, nearly 27 million have died of aids.3) the graves of aids patients in a village of henan province4) in 2002, more than 40 million people in the world were living with hiv or aids5) more and more children are infected with hiv every day3. aids quiz1). only bad people get aids. （ f ） 2). you can only get hiv from injecting drugs.( f ) 3). it is very likely that you will die if you get infected with hiv. （ t ） 4).if you look healthy, you cannot have hiv.( f )5). it could be dangerous to have sex without a condom. ( t ) 6). taking food from the same dishes as someone infected with hiv will give you hiv too. （ f ） 7). hiv can be transmitted by a sneezing, coughing, a kiss on the cheek, a hug and other close contact. ( f )8).evidence show that men get aids more easily than women. ( f )step 2 fast readingskim the passage and answer the four simple questions1). what is the difference between aids and hiv? 2). what is a virus?3). which part of your body will hiv damage?4). how can a person get infected with hiv?step 3 careful readingread the passage carefully and try to divide the passage into three parts.part 1: the background information about hiv/aids.part 2: different ways of protecting yourselves.part 3: some misunderstandings about hiv/aids.step 4 comprehending1. how do/dont people get aids?1) sharing food, eating or drinking containers(容器) ()2) hiv-infected blood used in transfusion（）3) unprotected sex with hiv-infected person（）4) using toilets or showers （）5) shaking hands, hugging or kissing coughing or sneezing （）6) childbirth or breastfeeding if a mother has hiv（）7) sharing drug injection equipment like needles（）8) getting a mosquito or insect bite （）2. conclusion: how is hiv transmitted?1).having unprotected sex with hiv-infected person.2).receiving infected blood transfusion.3).childbirth or breastfeeding if a mother has hiv (through birth).medical studies show that the aids virus cannot be transmitted through the following ways: cup, glasses, toilet seats, swimming pools, mosquitoes, other insects or giving blood. step 5 discussionour attitudes to the people with aids.step 6 thinkingwhat can we do to help aids patients?step 7 role playsuppose one of your classmates got aids, what would you do? would you treat him/her as a normal person? please make a dialogue in a group of four.then ask two group of students to present their dialogues.summary: there are many things we can do to help aids patients . a smile, a hug, a kisscan mean much to them.step 8 homework1).surf the internet and find more information about aids.2). make a poster about how to protect one from being inf