第三章 他通过认真学习掌握了这门语言.ppt

Unit 5 Section A The Battle Against AIDS New words 1. acquire ( get by one’s work, skill, etc. often over a long period of time) vt. 得；学到 He acquired the language by careful study. 他通过认真学习掌握了这门语言。 acquired adj. 已获得的, 已成习惯的, 后天通过自己的努力得到的 acquired interest/ habits 逐渐培养起来的兴趣/习惯 acquirement n. New words 2. immune a. 1) 免疫的 immune system 免疫系统 be immune to / against 对。。。有 免疫力的；免受（伤害）的 be immune to / against cold 对伤风有免疫力 2) （常与from连用）被豁免的, 免除的, 不受影响的 be immune from punishment 免除处罚 be immune from taxes [taxation] 免税 New words 3. deficiency n. 不足，缺乏;,缺陷 shortcoming缺点 deficiency in / of sth. 缺乏…… He suffers from a deficiency of iron / vitamins. New words 4. syndrome n. a set of symptoms which represents a physical or mental disorder综合症状，症候群 The syndrome is likely to strike those whose immune ability is damaged. 那些免疫系统受到破坏的人身上可能出现这些症状。 New words 5. diagnose vt. 诊断; 判断 diagnose… as… 诊断为… The doctor diagnosed my disease as a stomach problem. 医生把我的病诊断为胃病。 diagnose…with… 诊断带有… Nearly half of those diagnosed with the virus are blacks and Latinos(para.2) New words 6. infect vt. 1) 感染 infect sb. / sth. with sth. She infected the whole class with her laughter. 她的笑声感染了整个班级。 be infected with… 感染（疾病） He was shocked when he knew he was infected with the HIV virus. 当他知道自己染上艾滋病毒时感到很震惊。 2) 影响 He thought that parents might infect their children with their ideas. 他认为家长的观念会影响孩子。 New words 7. constitute vt. make up; form 组成 (constitution n.) Seven days constitute a week.一周有7天。 A week consists of seven days. A week is composed of seven days. be constituted of 由……组成: A week is constituted of seven days. consist with be composed with New words 9. alarm n. 1.惊慌；2.警报 Hearing a scream, she sat up in alarm. 听到尖叫声，她慌忙坐起来。 　 the fire alarm 火警 an alarm clock 闹钟 give/raise an alarm 发出警报 vt. 使惊慌，使担心 The news that war might break out alarmed the people. 战争可能爆发的消息使人们惊恐不安。 alarming adj. 使人