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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Module 12 Save our world,Unit 1 If everyone starts to do something,the world will be saved.,1.danger n.,危险,【,点拨,】,(,1,),danger,是,dangerous,名词形式,既可作可数名词,也可作不可数名词。当,danger,表示抽象“危险;风险”时,是一个不可数名词;当指详细“危害”时,是一个可数名词。其固定搭配:,be out of danger,,意为“脱离危险”。如:,第1页,Grandma was very ill two days ago,but now she is out of danger.,祖母两天前还病得很厉害,现在已经脱离危险了。,Smoking is a danger to health.,抽烟对身体健康有害。,(,2,)当表示“做某事有危险”时,,danger,后接,of doing sth.,,而不接,to do sth.,。,第2页,2.pollute v.,污染,【,点拨,】pollute,是动词,意为“污染”。如:,The river has been polluted by waste products from the factory.,这条河已经受到工厂排放物污染。,【,延伸,】pollute,名词形式为,pollution,,意为“污染”。如:,Pollution is a danger to our health.,污染对我们健康造成威胁。,第3页,3.waste n.,废料;废弃物,【,点拨,】waste,作名词,意为“废料;废弃物”,为不可数名词。如:,Where do you put your kitchen waste?,你把厨房里垃圾放在哪里?,第4页,【,延伸,】,(,1,),waste,作名词,还可意为“浪费”,为不可数名词,但可连用不定冠词,惯用于,its a waste of time/money/.doing sth.,结构中。如:,Its a waste of time waiting any longer.,再等下去是白费时间。,第5页,(,2,),waste,还可作动词,意为“浪费”,惯用于以下结构:,waste time/money/.on sth.,,意为“在某事上浪费时间,/,金钱,/”,;,waste time/money/.,(,in,),doing sth.,,意为“浪费时间,/,金钱,/,做某事”,其中,in,可省略。如:,Dont waste time on computer games./Dont waste time,(,in,),playing computer games.,不要浪费时间玩电脑游戏。,第6页,4.hopeless adj,无望,【,点拨,】hopeless,作形容词,意为“希望渺茫;无望”,其反义词为,hopeful,,意为“抱有希望;给人以希望”。其词根,hope,可作动词或名词,意为“希望;期望”。,【,延伸,】hopeless,由,hope+,形容词后缀,-less,组成。类似结构词还有:,harmless,无害,useless,无用,tireless,不知疲惫,countless,数不清,colourless,无色,careless,粗心,第7页,1.Such as.?,比如说,?,【,点拨,】such as,这个短语惯用来表示举例说明。如:,There are lots of things you could do.,有很多你们能做事。,Such as.?,比如说,?,第8页,English is spoken in many countries,such as Australia and Canada.,许多国家都讲英语,比如澳大利亚和加拿大。,第9页,【,辨析,】such as,与,for example,such as,常列举同类人或物中几个例子,可与,and so on,连用,相当于,like,;,for example,普通只列举同类人或物中一个例子,作插入语时,用逗号与主句隔开,可置于句首、句中或句末。如:,Noise,for example,is a kind of pollution.,比如,噪声是一个污染。,第10页,2.They use so much oil and cause pollution as well,他们使用如此多石油,也造成了污染。,【,点拨,】cause,作动词,意为“引发;造成;使得”。惯用搭配:,cause sth,,意为“造成,”,;,cause sb,sth,,意为“使某人,”,;,cause sb,/sth.to do sth,,意为“造成某人,/,某物做某事”。如:,Smoking can cause lung cancer.,吸烟可造成肺癌。,第11页,He caused his parents much unhappiness.,他使得他父母很不愉快。,The cold weather caused the plants to die.,严寒天气造成了植物死亡。,第12页,【,辨析,】also,too/as well,与,either,(,1,),also,位于,be,动词、助动词或情态动词之后,实义动词之前,用于必定句中。,(,2,),too/as well,置于句末,用于必定句中。,too,前面加或不加逗号均可。,(,3,),either,置于句末,用于否定句中。其前必须加逗号。,第13页,3.Its no use talking about things we cant do.,谈论我们无法做到事根本没什么用。,【,点拨,】,此句句型为:,Its no use doing sth.,,意为“做某事是没用”。如:,Its no use trying to kick against the new rules.,企图反对这些新要求是无用。,Its no use making a display of your knowledge.,卖弄你知识是没有用。,Its no use crying over spilt milk.,覆水难收。,第14页,【,延伸,】,类似句型还有:,(,1,),Its no good doing sth.,意为“做某事不好,/,没用,/,不行”。如:,Its no good talking to him,because he never listens.,跟他讲没用,因为他从来不听。,Its no good smoking.,抽烟是不好。,第15页,(,2,),Its fun doing sth.,意为“做某事很有趣”。如:,Its great fun playing golf.,打高尔夫球很有趣。,Its fun going for a walk after dinner.,晚饭后去散步很有乐趣。,第16页,
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