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Unit 16 Scientists at work Warming up,Listening and Speaking 词汇讲解 三点剖析 1....discuss the advantages and disadvantages of the following scientific discoveries... 讨论下列科学发现的优点和缺点…… advantage n.有利条件;优点 【典型例句】 Given a good education,Tom has an advantage over other boys. 接受过良好教育,汤姆比其他男孩占优势。 He always takes advantage of the mistakes made by others.他总是吸取别人所犯错误的教训。 Attending more scientific lectures is of great advantage to me. 多参加一些科学讲座对我很有益。 【要点归纳】 advantage作“优点，有利条件”讲时是可数名词;作“利益,好处”讲时是不可数名词。常用搭配:have/gain/win an advantage over...占/获得优势;take advantage of sth.利用;be to one’s advantage/to the advantage of...对某人有利;have the advantage of sb.较某人有利,比某人强。 【相关链接】 disadvantage是advantage的反义词,表示“不利,损失”时不可数,表示“不利的情况,不便之事”时可数。多用于搭配:be at a disadvantage处于不利地位;to one’s disadvantage对某人不利。例如: | 
