unit 2 saving the earthtopic 1 pollution has caused too many problems.同步素材(仁爱版九上)
11页1、Unit 2 Saving the EarthTopic 1 Pollution has caused too many problems.同步素材(仁爱版九上)一、单元概述1掌握Topic1中出现的生单词和短语。2重点句型:(1)I went there two years ago. There were lots of flowers and grass.(2)What has happened here?(3)Oh, what a mess!(4)There are several chemical factories pouring waste water into the stream.(5)Noise is harmful to humans health.(6)Many teenagers in America can hear no better than 65-year-old people do.(7)It not only disturbs others but also does great harm to peoples hearing.3语法:现在完成时(I
2、II)4学会用英语谈论健康状况以及作比较。二、重难点知识讲解(一)重点单词和短语1mess n. 肮脏;杂乱;困境(前常用不定冠词a修饰)be in a mess 乱七八糟;处境窘迫The room is in a mess.这个房间乱七八糟。make a mess 把弄得乱七八糟The children have made a mess in the house.孩子们把屋里弄得乱七八糟。get into a mess 遇到困境;遇到麻烦If your company gets into a mess, what will you do?如果你公司遇到困境,你会怎么做?2shame n. 羞耻,羞愧U;遗憾CShe felt a deep sense of shame.她深感羞耻。What a shame!The flowers and trees have gone.多么可惜!花儿和树都没了。3pollute v. 污染;玷污,败坏The river has been polluted by waste from the factory.这条河已经受到工厂排放的废料所污染。The
3、violent films pollute the minds of the young men.暴力电影毒害着青年人的思想。pollution n. 污染air pollution空气污染water pollution水污染4pain n. 疼;痛;痛苦(1)表示肉体上的“痛”“疼痛”,此时可用作可数或不可数名词。This tooth is giving me pain.这颗牙很疼。Mary felt a sharp pain in her left arm.玛丽左臂感到一阵剧烈的疼痛。由于可用可数或不可数名词,所以有时在同一语境中用pain, a pain, pains都是可能的。如:I have pain a pain, pains in my back. 我背疼。(2)表示精神上的“痛苦”,此时只用作不可数名词,不用复数形式,也不与不定冠词连用。I could not stand the pain any longer.我再也忍受不了这种痛苦了。表示“努力”“辛苦”,此时总是用pains这样的复数形式。He has written the book with great pai
4、ns.他呕心沥血写了这本书。5produce v. 生产;制造The factory produces 1,000 cars a week.这家工厂每星期生产一千辆轿车。The chemical factory has produced terrible gas.这个化工厂制造了可怕的气体。拓展:product n. 产品production n. 产量6bear v. 承受,忍受(同义词:stand)I cant bear this music.我受不了这种音乐。I cant bear to see you like this.我不忍见你这样。He cant bear having nothing to do.什么事都不干,他可受不了。(cant bear后即可接不定式,也可接动名词)bear作动词,还可表示“生”。bear作名词,表示“熊”。Although she was bearing a child, she still went swimming.虽然她怀了小孩,她还是去游泳。7create v. 造成;创造Using too much chemicals creates
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