Unit 4 Global warming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. Keys: 1) outcome 2) result 3) effect 4) consequence2). 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...
