2012 届高考英语必考词汇 90 天复习案:第 19 天I. 重点词汇1. dawn n. [C,U]黎明,拂晓2. digest v. 消化食物;理解;领悟;消化3. digestion n. 消化;消化能力4. dioxide n. 二氧化物5. discount n. 折扣6. downtown adj. 市区的 adv. 在市区;往市区7. eggplant n. 茄子8. embassy n. 大使馆;大使及其官员9. energetic adj. 充满活力的;精力充沛的;积极的10. extinct adj. 灭绝的;绝种的11. fathom n. 长度单位(六英尺)II. 重点短语1. from dawn till dusk 从早到晚2. at the crack of dawn 黎明;大清早3. by day 在白天4. to this day 至今5. be out of debt 还清债务6. in debt to sb. = in one’s debt 欠某人的债,受某人的恩惠7. put sb. on a diet= diet sb. 限制某人饮食8. at/ from a distance of 在……远的地方,后面常接一个表示明确的,具体的距离9. drown oneself in 埋头于10. in existence 现存的,现有的III. 佳句赏析1. Nocturnal animals sleep by day and hunt by night. 夜间活动的动物白天睡觉晚上猎食。2. He would drown his sadness in coffee. 他会借咖啡解愁。IV. 词汇练习1. The darkest hour is that before the ___________(黎明).2. She saved the boy from ________(淹死),but she did it only at the cost of her own life.3. A shopping mall in the _________(市区的)is made up of some individual shops.4. There ________ (存在)a certain doubt among my classmates as to the necessity of the work.V. 短语练习1. Nowadays it’s hard for an ordinary family to stay _______ if they buy a new house. A. out of danger B. in danger C. out of debt D. in debt2. – Mr. White has been working all the morning with no rest. –He is a(n)________ man. He never looks tired. A. energetic B. powerful C. lovely D. attractive3. The faces of four famous American presidents on Mount Rushmore can be seen 用心 爱心 专心1from a _____ of 60 miles. A. length B. distance C. way D. space4. – You are always full of ______. Can you tell me the secret? – Taking plenty of exercise every day. A. power B. strength C. force D. energy答案:IV.1. dawn 2. drowning 3. downtown 4. exists V.1. C 2. A 3. B 4. D用心 爱心 专心2