Book9,unit2词汇学案.doc

Book9 Unit2词汇学案1.voyage n./ vi. 航海, 航行The voyage from England to India used to take six months.过去从英国航行到印度要六个月。go on /make / take a sea voyage去航海旅行voyager n.航行者, 航海者2. mercy 仁慈；宽恕；怜悯They were lost at sea, at the mercy of wind and weather.I dont like to be at the mercy of such a man.我不愿受这样一个人的摆布。have mercy on / show mercy to/be merciful to对表示怜悯The terrorists showed no mercy to the hostages. 恐怖分子对人质毫不留情。without mercy 毫不留情地The mother left the dying baby in the hospital without mercy.Its a mercy (that) (口)幸运的是,幸亏 Its a mercy the accident happened so near the hospital.幸亏事故发生在离医院很近的地方。Its a mercy that she wasnt seriously hurt.3. minimum (min)adj. 最小的, 最低的；n. 最小值, 最小化。其反义词为 maximum (max)adj. 最高的, 最多的, 最大极限的；n. 最大量, 最大限度, 极大The minimum requirements for the job are a degree and two years experience.该工作的最低要求是要有学位和两年的工作经验。The maximum number of students in each class is 58.每个班学生人数的最高限额是58名。We must make maximum use of the resources available.我们必须最大限度地利用可得到的资源。Temperature will reach a maximum of 40 here.这儿的最高气温将达40摄氏度。4.nowhere adv. 无处；任何地方都不(置于句首时往往用倒装结构)The new book you need is nowhere to be found.Nowhere else in the world can there be such a beautiful place.(NMET2004) Maybe you have been to many countries, but nowhere else _ such a beautiful place.A. can you find B. you could find C. you can find D. could you find5.accelerate v.to (cause to ) move faster 加速, 促进She accelerated her car and passed the bus in front.她加快车速超过了前面的公共汽车。The car suddenly accelerated.那辆车突然开始加速。.secure - insecure adjadj. 安全的, 可靠的, 放心的, 无虑的v. 保护；使安全Our house is secure from flood.我们的房子没有被淹的危险。Some measures are needed to secure the bank from a flood.这道堤防需要采取一些措施, 免得被洪水冲坏。secure sth .from / against: protect sth. from / againstsecurity n. 安全, 保安, 保护For security reasons the visitors were searched.为了安全起见, 来宾受到了检查。7. reference n.参考，查询a reference book一本参考书refer v. (referred, referred)提到, 涉及, 查阅, 咨询（常与to 连用）refer to .as.把.称作.Her pupils often refer to this dictionary. 她的学会经常查这本字典。Dont refer to it again.别再提那件事。When I said someone was stupid, I didnt refer to you.If you dont know what this means, refer to the dictionary.8.random adj. 随意的;任意的make a random choice 任意选择at random 随意,任意She opened the book at random and started reading.她随意翻开书就看了起来。The travelers at the airport were searched at random.(搜查人员对)机场上的旅客随便选几个人加以搜查。. simplify v. 简化simple adj. 简单的beautifulbeautify purepurifyA computer simplifies our work.电脑简化了我们的工作。Simplify the instructions so that the readers can understand them easily.请简化说明, 以便读者能容易读懂.10.tendency n. 趋向, 倾向Weve noticed a growing tendency for people to work at home instead of in offices.我们注意到一种趋势, 越来越多的人在家里工作而不在办公室里上班.have a tendency to do sth.倾向于做某事, 往往会做某事Jeans nice but she has a tendency to talk too much.简人倒不错, 就是往往太唠叨。11. reliable adj. 可靠的；可信赖的 unreliable不可靠的；不可信赖的rely vt. (与on连用) 依赖，依靠；reliance n. 信赖，信任；reliant adj. 信任的，依靠的a reliable friend一个可信赖的朋友rely on / upon sb./be reliant on sb. 依靠某人-n. reliability 可靠性 unreliability-n. reliance 信赖,依靠I rely