Unit 3 A healthy lifeUsing languageHIV is the virus that causes AIDS.AIDS stands for Acquired Immune Deficiency Syndrome. (后天免疫缺损综合症）后天免疫缺损综合症）Warming upvirusSome facts: By 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 people died. About one-third of people living with HIV/AIDS are 15-24 years of age. More than 7 million people in Asia and the Pacific are living with HIV/AIDS.HIV infection has taken root in South Asia and poses a threat to development and poverty alleviation efforts in the region. Step 1: Before your reading: 1. Discuss what you know about HIV/AIDS with your classmates.2. Now make a list of words you might read in the poster.Step 2: Read the poster, then answer the questions:1. Whats a virus? A virus is a very small living thing that cause disease.2. How does HIV affect peoples health? HIV virus weakens a persons immune system and eventually it damages the immune system so much that the body can on longer fight against disease.3. What is the difference between AIDS and HIV? HIV is a virus, while AIDS is the stage of the illness caused by HIV.4. Is there a cure for AIDS and HIV at the moment?Step 3 Read the text carefully and fill in the blanks.Information about HIV Weakens a persons 1_ _. Spread through 2 _ or the fluids made during sexWays to protect yourself Dont share your 3_ with anyone else. Use a condom if you have sex with a male or a female.immune systembloodneedleSome wrong statements You can tell by 4 _ someone whether or not they have HIV. If you hug, 5_ someone with AIDS or visit them in their home you will get HIV/AIDS.looking attouch or kissStep 4: This passage can be divided into three sections. Whats the purpose of each section?Section1:Section2:Section3:Background information about what the diseases. Ways to protect yourself. Some common myths dispelled.Step 5 Decide the following statements are true or false.1. You can only get HIV from injecting drugs.2. It is very likely that you will die if you become infected with HIV.3. If you look healthy, you cannot have HIV.FTF HIV/AIDS is only spread through direct contact with infected blood or sexual fluids.You can have HIV and look and behave as if you are perfectly healthy. It is only in the last stages of AIDS that a person looks sick. 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.FTTYou can get HIV/AIDS from unprotected sex with an infected person.HIV/AIDS is only spread through direct contact with infected blood or sexual fluidsI. 根据下列各句句意及所给单词的首字母根据下列各句句意及所给单词的首字母或汉语提示，写出各单词的正确形式。或汉语提示，写出各单词的正确形式。1. He _ his wife and children good-bye and got on the train.2. His behaviour was beyond c_. I could not understand why he did so.3. I caught a _ (流感流感) and had to lie in the bed.kissedcomprehensionflu4. We need to buy some _ (针针) for different types of sewing machines.5. All the _ (女性的女性的) workers in this factory got a present on March 8.6. Linda is a _ (完美的完美的) girl in every way. needlesfemaleperfectII. 用所给词的适当形式填空。用所给词的适当形式填空。1. After two years in Spain, Kate spoke the language _ (perfect).2. The prime minister is expected to issue a _ (state) on the present situation.3. It is quite necessary for children to learn some _ (base) knowledge of first aid.perfectlystatementbasic4. Her parents were happy that she had such good _ (judge) in choosing friends.5. They dont have the least _ (comprehend) of what Im trying to do.judgementcomprehensionIII. 用适当的介词填空。用适当的介词填空。1. At present we have no evidence _ life on other planets.2. The virus can be spread _ blood.3. Scientists predict they will be able to find a cure _ cancer by learning how to switch cells on and off.4. Part _ the building was destroyed in the fire.5. People tend to work hard at this stage _ life.ofthroughforofofIV. 将下列词组翻译成英语。将下列词组翻译成英语。1. 破坏人体免疫系统破坏人体免疫系统2. 3.2. 与疾病作斗争与疾病作斗争3. 患艾滋病患艾滋病 4. 保持安全保持安全damage a persons immune systemfight disease develop AIDSstay safe