高中英语Unit3第4课时UnitsinglangUnitage学案新人教版选修.doc

Unit 3 A Healthy Life Period 4 using language Learning aims: 1. To learn some information about HIV/AIDS.2. To learn some important words and expressions.Important point: To grasp some important and useful words, expressions and sentence patterns.Difficult point: To improve the skills of reading.使用说明及学法指导：1. 通过阅读课本P 及查阅unit 3单词表和字典，完成预习案。2. 完成时间：20分钟。预习案 Previewing CaseTask 1 Read the text to find out the following phrases and words.1.引起疾病_ 2. 流感病毒_ 3.减弱/破坏人的免疫系统_4.也就是说；即_ 5.抵抗疾病_ 6.被称作 _7.生存的几率_ 8.通过血液传播_ 9.被感染_10.治愈的疗法_ 11.保持安全_ 12.与分享_13. 冒着的风险_ 14.由于相同的原因_ 15.没有的证据_Task 2 Choose the best answer.1. Where was the article most likely to come from_.A.A letter B. An advertisement C. A textbook D. A TV show2. How does HIV spread?AThrough blood and other body fluid. BThrough hugging, touching or kissing.CThrough mosquitoes. DThrough visiting someone with AIDS.3How many suggestions did the writer put forward to stay safe?AFive. BSix. CFour. DThree.4. If you have a meal with someone with AIDS, you will_.A. get HIV or AIDS B. be infected C. not get HIV or AIDS D. either be infected or not5According to the writer，how should we act towards people with AIDS?ATreat patients with AIDS in a scientific way. BLook down upon patients with AIDS.CStay away from patients with AIDS. DDo our best to avoid AIDS.Task 3 Read the text carefully and fill in the blanks.Part 1Information about HIVWeaken a persons (1) _Spread through (2) _ or the fluid made during sex.Part 2Ways to protect yourselfDont share your (3) _ with anyone else.Use a condom if you have sex with a male or a female.Part 3Some wrong statementsYou 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.Task 4 True or false.(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 healthy, 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. ( )1.我的疑惑：探究案 Exploring Case探究一 重点单词1. at risk 处境危险；遭受危险 at the risk of doing sth. 冒的危险 risk doing sth 冒险做译公司的整个前途受到威胁。_为了寻找失踪的小孩，他冒着被困风雪中的危险。_2. judgment n. 判断，看法 in one judgment 在某人看来judgefrom / by依判断 judging by / from 从判断（在句中作状语）译从他的奇怪的举动看来，他在说谎。_在我看来，他有罪，应该为这起事故负责。_探究二 句型分析1. For a person to become infected，blood or sexual fluid that carries the virus，has to get inside the body through broken skin，or injection. 携带病毒的血液或体液必须通过皮肤上的创口或通过注射才能进入人体，使人受感染。句中有一个that引导的_从句, 修饰_；to become infected是不定式短语作_, 修饰_。2. It is only when the disease has progressed to AIDS that a person begins to look sick.分析It is that是_句。3. Anyone who has sex with a person infected with HIV/AIDS risks getting the virus. Women are slightly more likely to become infected than men.分析第一句中who 引导了_修饰_, infected with HIV/AIDS在句中作_成分, 修饰_。be likely+ to do sth/ that clause, 表示“可能会”。译他们今天晚上可能要在外面露营了。_训练案 一. 根据所给单词或汉语提示写出各单词的正确形式。1. His behaviour was beyond c_. I could not understand why he did so.2. I caught a _ (流感) and had to lie in the bed.3. All the _ (女性的) workers in this factory got a present on March 8.4. Her parents were happy that she had such good _ (judge) in choosing friends.5. In order not to get _ (infect) with AIDS, we should keep away from drugs.6. He was _ (尴尬的)to admit making a mistake.7. The prime minister is expected to issue a _ (state) on the present situation.8. We need to buy some _ (针) for different types of sewing machines.二. 语法填空HIV is a virus that causes disease and it can 1_ (weak) a persons immune system. HIV will stay in your blood for a long time but 2_ (eventual) it will damage your immune system so much 3_ your body can not fight disease. This stage of the illness is called AIDS. There is not a cure 4_ HIV/AIDS, so we must protect ourselves. 5_ you inject drugs, dont share anything wit