2020届一轮复习人教版选修六Unit 4 Global warming单元学案一、语言要点I单元要点预览（旨在让同学整体了解本单元要点）词汇部分词语辨析 1.consequence/result/effect/outcome 2. glance/gaze/glare/stare 词形变化 1.agree v.同意disagree v.不同意agreement/disagreement n.同意/不同意2. exist v.存在existence n.存在3.state v.陈述，说明 statement n.声明，阐述4. environment n.环境environmental adj.周围的，环境的environmentalist n.环境保护主义者重点单词 1. phenomenon n. 現象2. tend vt. 趋向, 往往是；照管, 护理3. state vt.声明, 陈述4. range n.行列, 范围；vt. 排列, 归类于5. average adj.平均的6. existence n.生存7. advocate倡导，拥护8. refresh v.(使)精神振作, (使)精力恢复, 更新9. contribution n.捐献, 贡献, 投稿重点词组come about 发生quantities of大量的result in导致be opposed to反对on behalf of代表……一方put up with 忍受；容忍so long as 只要重点句子 1. Some byproducts of this process are called “greenhouse” gases, the most important one of which is carbon dioxide.这个升温过程的一些副产品就叫“温室”气体,其中最重要的就是二氧化碳.重点语法it的用法（II）(见语法专题)II 词语辨析(旨在提供完形填空所需材料)1). consequence/result/effect/outcome【解释】consequence强调因某件事而引起的后果，有时带贬义。
result普通用语，指某行动，计划或事件带来的最终结果。
effect与相对，指动作行为带来的后果或效应。
outcome侧重某项活动，比赛的结果，结局【练习】选择consequence/result/effect或outcome并用其适当的形式填空1) The ________ of the game was beyond our expectation.2) The _________ of the meeting was that no one should be dismissed.3) The advertisements have much ________ on consumers’ choice.4) In _________ of laziness, he was fired.2). glance/gaze/glare/stare 看，注视【解释】glance一瞥，匆匆一看，强调动作的短暂gaze凝视，注视，因惊异或赞赏而长时间无意识地凝视某人或某事物glare怒视，带有敌对或威胁的态度stare盯着看，含有无礼或粗俗的意味。
【练习】选择glance/gaze/glare或stare，并用其适当的形式填空1) They stood at the top of the hill, _______ at the splendid sunset.2) The manager ______ at the document and signed down his name.3) The dog _____ at the stranger and barked.4) Don’t _______ , it’s rud e!III 词性变化（旨在提供语法填空所需材料）1.agree v.同意disagree v.不同意agreement/disagreement n.同意/不同意2. exist v.存在existence n.存在3.state v.陈述，说明 statement n.声明，阐述4. environment n.环境environmental adj.周围的，环境的environmentalist n.环境保护主义者【练习】根据句子结构，用括号内所提供词的适当形式填空1) The ________ pointed out that the change of ________ will cause certain great ________ disaster.(environment)2) It was ______ that the new-elected president of U.S.A made a ________ announcing new policies to reduce the consequence of economy crisis.(state)3) Though the two Party usually _______ with each other, they have reached an ________ on the levels of green house gases they will allow. (agree)4) In the survey, people found it funny that many of the longest-lasting marriages in ______ are those between people who ________ in frequent quarrel.(exist)IV 重点词汇（旨在提供综合运用所需材料）1. phenomenon n. 現象;奇迹，罕见的人才或事物phenomena(pl.)[典例]1) Rain and snow are phenomena of the weather. 雨雪是天气现象。
2) Beethoven was a phenomenon among musicians.贝多芬是音乐家中的天才。
3) the phenomena of nature自然现象4) a social phenomenon社会现象[练习] 汉译英1) 月蚀是一种罕见的现象。
_____________________________________________________________________ ___________________2) 你能向我解释下这一奇怪的自然现象吗？_____________________________________________________________________ ___________________3) 尽管中途退出了2008年奥运会，刘翔依然是跨栏项目的罕见的人才。
_____________________________________________________________________ ___________________2. tend vt. 趋向, 往往是；照管, 护理[重点用法]tendency n. 趋向，倾向（常与to/towards连用）[典例]1) Most of boys tend to enjoy playing basketball.大部分男孩都喜欢打篮球。
2) The older women tend to believe in strangers easily.老人更容易轻信陌生人。
3) A team of medical workers were sent to tend the survivors of wenchuan Earthquake.一组医护人员被派去照料汶川地震的幸存者。
4) Nowadays there is a growing tendency for people to shop on internet.如今人们网上购物有增加的趋势[练习] 汉译英1) 处于压力下的人更容易发挥自己的全部潜能。
_____________________________________________________________________ __________________2) 当老板不在时请他照看一个商店_____________________________________________________________________ __________________3. state vt.声明, 陈述n.状况，情况；国家[重点用法]state+名词/that从句/wh-从句statement n. 声明, 陈述[典例]1) She is in a terrible state today. 她今天心情不好。
2) the head of state国家首脑3) He has publicly stated his support for the policy. 他已公开声明他会支持那项政策。
[练习] 汉译英1) 合同清楚地叙述了那项工作应在何时完成。
_____________________________________________________________________ __________________2) 我听见那位官员说不接纳儿童。
_____________________________________________________________________ __________________4. range n.行列, 范围；vt. 排列, 归类于[重点用法]beyond the range of…超越……的范围out of one’s range某人达不到的range oneself站在……的方面range from… to … / between… and …从……到……不等[练习] 根据汉语提示，补全英语句子。
1) The shop keeps____________________(商品品种多) .2)_____________(年龄范围)i s from six to twelve years old.3)The temperature__________________________(在15度到35度之间).4)We should _______________(列身于; 站在……的方面)on the side of law and order.5．average adj.平均的;一般的，普通的，中等的n.平均，平均数[典例]1) His average result of this three subjects is 96. 他三科的平均成绩是96。