高三英语 Unit2 Crossing Limits 教案学案 Period 1 Words and expressionsStep2.课前检测 根据要求写出单词 1.various ______________ ( n.) 2. wealthy _____________(n.) 3 existence ____________ ( v.) 4. unable ______________(反义词) 5.suggest ______________( n.) 6. origin _______________( adj.) 7.equip _______________( n.) 7.evaluate_____________( n.) Step3.课中点拨 1.evaluate v. evaluation n. evaluate her chances of success ___________________ _____________________________________(我没有看到他的工作情况,无法评论他的能力.) evaluate/value evaluate 很少用来表示 “估价”或 “估计”某事物的市场价值, 而是用来表示 “评价” value 估计某物的价值,价格 He _________ the house for me at $3,500. 2. various adj. for various reasons ______________ variety n.. a variety of ______________ 3.in the name of 以 …..... 的名义, 代表 I arrest you in the name of the law. I did it all in the name of friendship. name after _____________ with the name ______________ by name____________ by the name of _________________ under the name of ____________________ 4.key n 钥匙;键;答案 adj. 关键性的, 极重要的 a key speech_____________ the key to the answer _______________ keyboard _______________ keynote ____________ 5.puzzle n.难题; 迷 word puzzles___________ find the answer to a puzzle ____________ set a puzzle for sb. / set sb. a puzzle ______________ .v. 使困惑 Her reply puzzled me. puzzled 困惑的,茫然的 puzzling 令人费解的 She listened with a ____________ expression on the face. _____________ attitude 6.exchange n. 交换 an exchange of glances 互使眼色 v. exchange A for B _________ exchange sth. ( with sb.) ____________ He exchanged the blue sweater for a red one. Tom exchanged seats with Ben. in exchange for 交换 He gave me an apple ___________________ a piece of cake....