高二英语Unit 2 Global Warming冀教版【本讲教育信息】一. 教学内容：Unit 2 Global Warming二. 具体过程1. announcer n. 播送员,告知者announce v. 发表, 播送〔电台节目〕,通告,正式宣布例:The news announcer is standing by for the broadcast program at 8. 新闻播送员正在为八点钟的播音节目作好准备The news was announced by Radio Beijing. 这条消息是由播送电台播发的announce 与declare 的区别declare 经常用于正式场合, 指“清楚, 有力地, 公开让人知道〞, 如: He declared his intention to run for office. 他宣布了自己参加竞选的想法announce 指“把人们关心或感兴趣的事正式公布于众〞, 如: announce a sale 公布减价 另外announce和declare后边一般跟宾语和宾补2. under way 在进行中Examples:The program is under way. 方案正在进行中。
含有way的词组all the way一路上 by the way顺便说 by way of经由，作为 make/lose/find one’s way到……/迷路/找到路 get/have one’s own way为所欲为 give way屈服,倒塌 go one’s own way按自己的意愿行事 in a way/in one way/in some ways在某种程度上 in the way挡路 on the way to在某人去……的路上 give one’s way让路 3. means n. 方法,手段Please find alternative means of transport.请另外找一个运输方法Radio and television are important means of communication.无线电和电视是重要的通信手段by means of用,凭借 by all means尽一切方法,务必 by no means决不4. bring about带来,造成 ;发生,引起Science have bring about many change in our lives.科学为我们生活带来了很多变化。
Indigestion may bring about this disease. 消化不良可能引起这种病bring down 使倒下，使崩溃，杀死 bring forth 引起；产生： bring forward 呈上；提出： bring in 【法律】 宣布〔裁决〕 生出、产生或挣得〔利润，收入〕 bring out 揭示，揭露； 推出，出版bring up 照料，教育〔小孩〕；抚养 ;呕吐; 使……突然停下5. locate v. 找出,设于,位于Examples:〔1〕The company wished to locate its new factory beside the river. 这家公司希望把新工厂设在河边〔2〕After he retires he’s going to locate in California. 他打算退休后到加利福尼亚定居locate，situate这两个词可以用作主动，表示“把……放置在……地方；确定……的位置〞The council is trying to decide where to situate the new hospital.委员会正试图决定将新医院建在何处。
这两个词也可以用作被动, 表示“位于〞My school was located near the river. 我的靠近河边The village is situated in a valley. 那个村子在山谷里6. debate n. 辩论,讨论 v. 辩论After a long debate the bill was passed. 经长时间的辩论，议案获得通过argue 指一方坚持自己的意见,立场和观点,通过争论企图说服对方(argue with sb. about/over sth.) debate 多指公开,正式场合进行的辩论或严肃的争论,双方各自陈述理由,“交锋〞“往返〞的意味较强 discuss 指为了解决问题或弄清对方的观点而进行的讨论,磋商 dispute 指持续,剧烈的争论,语气较强,有“相持不下,未得解决〞的意思(in dispute在争论中) quarrel 争吵,争论,含与人发生口角的意思7. manageable a. 易办的,易管理的,易控制的We are trying to reduce the problem to manageable proportions. 我们正努力把问题缩小到可以控制的范围内。
manage v. 处理,维持,达成,管理〔1〕I finally managed to find the book I was looking for. 我终于找到了一直在找的书〔2〕His wife knows how to manage him when he is angry. 他的妻子知道在他生气时怎么对付他〔3〕He managed the company when his father was away ill. 在他的父亲生病不在的时候，他管理公司8. run out of 用完= use upHe has run out of red ink. 他的红墨水用完了run out 用尽 耗尽注意两者的区别: Our time is running out./We are running out of time. 我们剩下的时间不多了9. fade v. 褪色,消失,凋谢 fade out淡出 fade away逐渐消失fade into逐渐消失而变成(无足轻重的东西)Examples:〔1〕The closing music fades out when the hero rides off into the sunset. 当男主角策马向夕阳驰去时，尾声音乐逐渐消失。
〔2〕Flowers soon faded when they have been cut. 花剪下后很快就会枯萎〔3〕Hopes of a peaceful settlement are now fading. 和平解决的希望正在消失〔4〕As evening came the coastline faded into darkness. 夜晚来临，海岸线融入茫茫夜色中10. observation观察; 了解observe v. 观察,遵守,注意到;庆祝Examples:〔1〕I observed him entering the bank with a gun. ( observe sb. do / doing 的结构) 我看到他带着枪进了银行〔2〕Do you observe Christmas? 你有过圣诞节的习俗吗？〔3〕We should observe the proprieties. 我们应该遵守礼节11. ruin n. 消灭; 废墟(pl.), v. 毁坏,破坏in ruins 成了一片废墟了Examples:〔1〕The castle now lies in ruins. 那城堡现在已成了一片废墟了。
〔2〕The rain ruined my painting. 这场雨把我的画给毁了〔3〕His rashness led ultimately to his ruin. 他的急躁卤莽最终导致了他的消灭〔4〕He ruined his prospects by carelessness. 他因疏忽大意而断送了前途1) damage指“损坏〞，一般暗示损坏后价值或效益会降低，这种损坏是局部性的有时该词也用于借喻2) destroy 意为“破坏；摧毁；消灭；消灭〞，指完全彻底的破坏，含有无法修复之意，也可用于借喻如： 3) ruin 多用于借喻之中，有时泛指一般性的破坏，指把某物损坏到了不能再使用的程度也可指对美好事物的破坏. 12. turn out生产；证明是 turn away 走开；把脸转过去 turn one’s back on 不理睬turn on 开，旋开(电灯等) turn off 关(水源等)；拐弯 turn into 进入；使变成，使成为turn in 转身进入；拐入；交出；上床睡觉 turn down 关小，调低；拒绝turn against 对……采取敌对态度 by turns 轮流，交替 take turns 依次，轮流 on the turn 正在转变中 in turn 依次，轮流；转而，反过来 turn up 出现；找到；turn to 变成；求助于；着手；查阅 turn over (机器等)运转；翻过来；仔细考虑13. strengthen v. 加强,变巩固Examples:〔1〕The wind strengthened during the night. 风在夜间刮得更猛了。
〔2〕The soldiers strengthened their defenses. 士兵们加强了他们的防御工事en-：加在名词、形容词或动词前构成动词如：encourage〔鼓励〕，enable , enlarge 还可以作为后缀, 如: widen; broaden; soften; shorten; lengthen 14. comparison n. 比较in comparison with 和……比较起来by comparison 通过比较Examples:〔1〕He is rather dull in comparison with others. 和别人比较起来，他相当迟钝〔2〕We can only tell good from bad by comparison. 我们可以通过比较来分辨好坏compare to vt. 比较compare with vt. 与……相比(同……比较起来)compared with …; +主句15. alternate a. 交替的,轮流的 v. 交替,轮流Examples:〔1〕Sunny weather alternated with rain. 天气晴雨相间。
〔2〕We alternate in doing the housework. 我们轮流做家务〔3〕She gets Saturdays off in her new job as against working alternate weeken。