初二下u3教案.doc

Unit 31. UFO : =unidentified flying object unidentified : 未确定的 （反）identified : 确定的 （原）identify: v 鉴定，确定 object: n 物体，东西 eg. Everyday objects (日常用品)2. alien :n 外星人，外侨 adj 外星的，外国的，陌生的 eg. An alien place/culture (陌生的地方/文化)3. strange: 奇怪的，陌生的 stranger: n 陌生人eg. A strange city/country/story (陌生的城市/国家，奇怪的故事)(反) familiar : adj a familiar sound/place (熟悉的声音/地方)*4. amazing : 令人惊奇/惊讶的 eg. An amazing movie/performance/news (令人震撼/惊叹的电影/表演/新闻) amazed : 感到惊奇 eg. We were amazed by his behavior/action (我们对他的举动感到吃惊) amaze : v 使吃惊 eg. It amazed me that he cant use the computer.(令我吃惊的是他不会操作电脑) amazement:n 吃惊 震惊5. kill : v 杀 eg. Hundreds of people were killed in this earthquake. killer:n 杀手 Phr: kill time (打发时间) eg. I often kill time by watching TV / I often watch TV to kill my time.6. murder: n&v 谋杀 eg. He murdered his wife. murderer:n 杀人犯*7.imagine : v 想象 eg. Can you imagine what it will be like in 20 years? imagination:n 想象力 imaginative : adj 有想象力的，创新的 eg. An imaginative idea / child （近）original (反) unimaginative:无创意的imaginable: adj可想象的 (反)unimaginable: adj 无法想象的, 难以置信的eg. They sale every imaginable style of clothes.(只要能想象到的款式，他们都有销售)eg. An unimaginable result/achievement（无法想象的结果/成就）8. happen 与 take place 区别（happen通常为“物”做主语，表示偶然发生. take place 表示计划好的）happen :v eg. A bad traffic accident happened yesterday. （昨天发生了一场严重的交通事故）take place: eg. The story of this film took place in 1920 in America. (电影情节发生在1920年的美国) *（当happen 由人做主语时，表示 “恰巧，碰巧”） eg. I happened to meet my friend on my way to school. (我碰巧在去学校的路上遇到了我的朋友)9. accident: n (交通)事故 eg. Traffic accident (交通事故) eg. He was killed in an accident. Phr: by accident 意外地 eg. We met by accident at the airport. accidental : adj偶然的 eg. An accidental death (意外死亡) accidentally : adv 偶然地 eg. I accidentally found a UFO in Beijing International Airport.10. international : adj 国际的 eg. International trade/ sport /law (国际贸易/比赛/法) internet : 互联网11. modern : adj 现代化的 eg. A modern city/life (现代化的城市/生活)*12. get out : 离开 eg. I saw her get out . get out of : 离开某地 eg. Get out of here 滚出去！ eg. Get out of my house 离开我的房子！（由get组成的短语） get up 起床 get in 到达 get off (sb) 远离某人 get on /along（well）with sb/sth 与某人/事相处/进展的好 get over 克服 解决 eg. We must get over the difficulty to finish the work.(我们一定要克服困难完成任务)*13. while 与 when 的区别 when : 通常表示“点”时间 ， 从句中的谓语V 是短暂性的 eg. When I came in , she was talking with the teacher. 有时也指“段”时间 ， 从句中的谓语V 是延续性的 (此时可用while替换) eg. A. woman saw this accident when she was walking pastwhile : 通常表示“段”时间 ， 从句中的谓语V是延续性的，通常指两个句子中的动作同时发生。eg. Dont use your cellphoen while you are driving.14. take off : 起飞 eg. The flight will take off at 10:00 脱下 eg. Please take off you coat!(由take 组成的短语)* take care 当心 take care of 照顾 take place 发生 take it easy 别急 take part in 参加15. experience: n 经历，体验，经验 eg. An very unusual experience. v 经历 eg. Every students have to experience the tests. experienced: adj 有经验的 be experienced in sth eg. He is experienced in teaching. experiment:n 实验，实践16. kid : n 小孩 v 开玩笑 eg. Im kidding! / You must be kidding! 我只是开玩笑/ 你不是在开玩笑吧！17. scared: adj be scared of eg. I am scared of going out alone. scare: v 使害怕 eg. Dont scare me! 别吓我 eg. You scared me! 你下到我了！18. shout : v shout at sb : 对某人嚷嚷 shout to sb : 朝着某人喊 （只远距离） eg. She shouted at me to shut the door. 她嚷嚷着让我把门关上。*19. 由away 组成的短语run away: 跑掉 take away 拿走 go away 走开 keep away 远离20. destroy : v 破坏 （近）damage /break eg. The building was destroyed by fire. destruction :n 破坏 destructive:adj 破坏性的 eg. destructive weapon *21. asas : 与相同 as +adj 原级/adv 原级+as eg. I think this picture is as beautiful as that one. eg. He is as fat as his father. eg. I think math is as difficult as English. Grammar 1. *过去进行时 ：表示过去某时刻或时间段正在进行的动作。 结构： was/were + Ving eg. He was studying at 7 oclock last night.(陈述句) eg. Was he studying at 7 oclock last night? (一般疑问句) eg. He wasnt studying at 7oclock last night.(否定句)l 过去进行时 与 过去时的区别过去时：表示过去发生的动作，并已经完成 过去进行时：表示过去正在发生的动作，不一定完成。 eg. Mary wrote a letter to her friend last night (信写完了) eg. Mary was writing a letter to her friend last night. (信不一定写完)2. arrive: 到达 (近) get to , reacharrive in 到达（大地点）eg. Ill arrive in London tomorrow.arrive at 到达（小地点）eg. Ill arrive at the station at 7oclock.3. Isnt that amazing! （疑问句形式的感叹句！) eg. Isnt it beautiful!（真是太漂亮了！） eg. Wasnt it a great match!(真是一场精彩的比赛！)4.finally: 最后 （举例时的最后一项, 可用在写作中举例，用在句首）eg. First, . Second,. Finally.,（第一第二最后）eg. On the one hand, On the other hand,