高中英语Unit 3 A Healthy Life-using language课件1 新课标 人教版 必修6 课件VIP免费

How much do you How much do you know about the know about the words words HIV/HIV/AIDSAIDS?? What do the letters HIV stand for?HIV =HIV =Human Immunodeficiency VirusHuman Immunodeficiency VirusHIV is a virus that can live in the body for some time – occasionally many years– without symptoms being present. Even though they may not be showing symptoms, a person with HIV can infect others. What do the letters AIDS stand for? A= Acquired Addicted AwfulI= Insane Infection ImmuneD= Disease Deficiency DisabledS= Syndrome Symbol Sickness AIDS is the stage of the disease when the person’s immune system is weakened to such a degree that he/she develops many different diseases which are eventually fatal (causing to death). AIDAIDSS Incurable?Incurable?!! The United Nations reported last week that the AIDS epidemic continues to grow. It says there will be 2.9 million AIDS-related deaths this year and 4.3 million new infections. Officials said 39.5 million people are living with HIV. (27 November 2006 ) More than 3 million were children and over 11 million were between fifteen and twenty-four. In Africa, many In Africa, many children are infected children are infected with HIV or AIDS.with HIV or AIDS. terrible virusAcquired immune deficiency Acquired immune deficiency syndrome (AIDS) has killed more syndrome (AIDS) has killed more than 25 million people since the than 25 million people since the first case was reported in 1981, first case was reported in 1981, making it one of the most making it one of the most destructive diseases in history. destructive diseases in history. birthunprotected sexblood transfusionsHow does it spread? Which may lead to being infected with HIV?HIV spreads through blood. snee...