b5 unit1 language points 111.ppt

Unit 1 Great scientists Useful words and expressions Language Points 1. discover invent discover “发现”，被探索或被揭示物是客观存在着。 Columbus discovered America in 1492. Who discovered radium? invent “发明”, 指的是发明原先不存在的东西。 Who invented the steam engine? 2. But he became inspired when he thought about helping ordinary people exposed to cholera. exposed是过去分词, 在句中作后置定语，短语exposed to cholera意为“患霍乱的”。如: expose v. (1) 暴露 He exposes his skin to the sun. 他把皮肤暴露在阳光下 (2) 揭露; 揭发 He exposed their plot. 他揭穿了他们的阴谋. I threatened to expose him ( to the police). 我威胁要(向警察)揭发他. 3. This was the most deadly disease of its day. deadly adj. (1) 危险的;致命的 This is a deadly disease. (2) 强有力的;致命的 a deadly remark 击中要害的评论 (3) 不共戴天的 He is my deadly enemy . die (v.) dead (adj.) death (n.) deadly adv. (1) very 极度;非常;十分 The conference was deadly dull. (2) like death 死一般地 The conference was deadly dull. 4. Neither its cause nor its cure was understood. cure n. / v. 治愈;纠正 Theres no known cure for a cancer. That shock cured him of his carelessness for ever. She tried every means to cure her child of the bad habit. cure: 主要指治愈疾病。 treat: 主要指治疗病人。 5. So many thousands of terrified people died every time there was an outbreak. every time/each time是连词，引导时间状语从句，意为“每次,每当”。如: Every time I meet him, I always think of the things happened between us. immediately, directly, instantly, the moment, the minute, the second, the instant,the last time, as soon as 等都可以作连词,引导时间状语从句，意为“一……就……”。如: I will give the letter to him immediately I see him. I came directly I got your call. I found myself in an entirely new world the moment I arrived in Beijing. Please tell me instantly he arrives. 6. control 1) v. You are trying to control me as though I were your slave. The government tries its best to control prices. He cannot control his anger. 2) control n. lose control of The driver lost c