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高考网汇集整理《高一英语知识点总结及重难点解析：Unit5-6单词聚焦(6)》 单词聚焦(6) 13. reason n. 原因;理由 (1) + to do sth. You haven't any reason to leave me. (2) + for sth. / doing People must have a reason for saying such things. (3) + 从句;从句用why / for which引导 That is the reason why you should leave. (4) for + reason，为了某种原因He is retiring for reasons of health. [比较] cause“原因;起因” the cause of the fire 火灾的起因(引起某种后果的起因) the reason for being late 迟到的理由(做某件事的理由) 14. role (1) (戏剧中的) 角色Oliver played (acted) the role / part of Hamlet. (2) (现实生活中的) 身份;作用 What is your role on the Committee? (3) play a...role in... = play a...part in在……中扮演……角色或作用The headmaster plays an important role / part in the good running of a school. 15. serve v. (1) 为……服务/工作 A slave serves his master. (2) 接待(顾客) The shop assistant is serving a customer. (3) 侍候吃饭，端(菜);供应(饭菜) Lunch is served now. (4) serve as 充任(某职务)作……用 She served as a model for several painters. / This box will serve as / for a seat. 16. speed的用法 ▲搭配： ① at a high speed 以很大的速度 ② at full / top speed 用全速，开足马力，尽力(快)地; ③ with great / an speed 用全速，开足马力 ④ speed up 加速，快点 【考例】We had tried our best but the boss still shouted, " ____!" A. Speed up B. No hurry C. Wait a minute D. Slow down [考查目标]本题考查speed及其构成的短语的意思。 [答案与解析]A speed up意思是“加速，快点”的意思。 (责任编辑：admin) |