高一英语Nodrugs课件.ppt

1、INTRODUCTION Vocabulary and speakingGeneral description of common drugs Cocaine 可卡因 Type of Drug:Stimulant Fact:derived from the leaves of the coca bush that grows in the mountainous region of Bolivia and Peru.It is sold on the streets as a fine white powder.Effect:Body actually forgets to sleep at

2、beginning,later person experiences extreme fatigue,exhaustion and depression,bacterial infections of brain and heart.Heroin 海洛因海洛因 Type of Drug:Narcotic Fact:derived from the opium poppy that is grown illegal in some areas in Southern Asia,the Middle East,Mexico,and Colombia.Today,no medical uses of

3、 Heroin at all.Effect:flu-like symptoms-Nausea,vomiting,euphoria,cramps,diarrhea,runny nose,teary eyes,sweating,weaknessMarijuana大麻大麻 Type of Drug:Hallucinogen Fact:Comes from parts of the hemp plant which contains 400 known chemical.Marijuana continues to be proven to contain higher levels of cance

4、r-causing chemicals than Tobacco!Effect:white blood cells:reduction of strength of immune system.lungs:cause asthma,infections etc.brain:decrease ability to concentrate,short term memory,bad vision,irregular sleep patterns,mood swings.lack of interests in past or future.Tobacco(nicotine)烟草烟草尼古丁尼古丁 T

5、ype of Drug:Stimulant Fact:Tobacco contains mainly of 2 substances:Nicotine:addictive stimulant Tar:yellowish brown fluid which causes cancer,Effect:physical:cancer,heart disease,stroke,stomach ulcer,psychological:anxiety,sleep disturbances,nervousness,headachesMarijuana大麻大麻bronchitis cancer cigaret

6、te death die heart disease injured tobaccoFind words in the box which mean:21.the end of life _2.stop living _3.two things some people smoke _ deathdiecigarette/tobacco4.three illnesses _5.hurt _bronchitis/cancer/heart disease injuredREADING AND VOCABULARYRead the opening paragraphs of two different

7、 articles and decide what the topic of each article is.Choose the topic from this list.2 A drug Addict and His Story Dangerous Activities of Teenagers The Dangers of Using Cocaine12READING AND VOCABULARY1.If a drug is addictive,does it mean that (a)you can easily stop taking it (b)you cannot stoop t

8、aking it?Choose the correct meaning of these words.32.Does powerful mean (a)very strong (b)very weak?3.If something increases,does it (a)get bigger (b)get smaller?4.Is a drug dealer someone who (a)sells drugs (b)uses drugs?Read the article again and decide if these sentences are true or false.51.Coc

9、aine can be smoked and also injected.2.People who inject cocaine are in more danger if they share needles.3.Cocaine makes your heart go more slowly.4.Smoking crack cocaine can change peoples behavior.Complete these questions and answers about Adam Rouse.61._ was Adam Rouse when he started using drug

10、s?_2.Which drug _ first?_.How olddid he useCannabis153.Who _ it from?_.4.What was the second drug that the man _?_ did he buyA man in the streetoffered himCrack cocaine5.How did Adam pay for the drugs?_.6.What did the police do?They took Adam _.He stole something to pay for the drugsto the police st

11、ation7.Did Adam take the doctors advice?_.8.Where _ work now?_Yesdoes AdamIn a centre for drug addicts,helping others to stop taking drugs.Complete these sentences with so,as a result or as a result of.FUNCTION Talking about results 1.Adam knew that taking drugs was bad,_ he stopped.2.He stopped tak

12、ing drugs _ meeting the doctor.soas a result of 3.Adam met a doctor who explained the problem._,he stopped taking cocaine.4.Crack cocaine is very addictive,_ users cannot easily stop using it.as a resultso5.He was extremely ill _ taking crack cocaine.6.He became addicted to crack cocaine,_ he became

13、 very ill.as a result of so3Check the meaning of these words and answer the questions.activity break the law burglary connection crime criminal estimate illegal ratio shopping centre treatment1.Which word refers to somewhere that you can buy things?2.Which means that something is against the law?shopping centreillegal3.Which word describes someone who breaks the law?4.Which one is the crime of stealing from a shop?5.Which one is the crime of stealing from a house?criminalshopliftingburglary