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1、“asas”的用法 “as + 形容词或副词原级 + as” 意为“和一样”，表示同级的比较，但要注意第一个 as 为副词，第二个 as 为连词。根据比较对象和性质的不同又可以把此种结构分为三种：（一）“ as as 结构”用于表示不同人或物同一性质的比较，意为“和一样 。例如The tree is as tall as the building(is) 这棵树和那栋楼一样高。注意此结构也常用于形象比喻中： as cool as cucumber 沉着的， as stubborn as a mule 非常顽强的，倔强的， as clear as crystal 非常透明的， as poor a
2、s a church mouse 非常贫困的， as busy as a bee 像蜜蜂一样忙碌， as easy as ABC 像 ABC 一样容易， as deep as a well 像井一样深， as light as a feather 像羽毛一样轻， as soft as butter 像黄油一样软。这些短语生动活泼，浅显易懂，记住这些短语可以提高学生的英语写作和口语能力。（二）“ as as 结构”用于表示同一个人或物不同性质的比较，意为“既又” 。例如：This swimming pool is as wide as it is long.这个游泳池宽度和长度相等。（三）“ a
3、s as 结构”用于表示两个人或物不同性质的比较，表示程度相同或相当，意为“而”。在否定句中结构是“ so/asas ”。例如： He was as handsome as his wife was beautiful 他长得非常英俊，他的妻子也长得非常漂亮。He was as experienced as his brother was green 他经验丰富，而他兄弟却涉世未深。 He cannot run so/as fast as you.他没你跑得快。Danny is not so/as wise as he is witty 丹尼为人风趣，但欠明智。需要注意的是： “as + 形容词或副词原级 + as” 结构的变体形式是“ as + 形容词 + a + 单数名词 + as 或 as + many/much + 名词 + as ”。意为“和一样 。例如：I dont want as expensive a car as this. I dont want a car as expensive as this 我不要这么贵的汽车。This is as good an example as the other is.这个例子和另外一个例子一样好。 Tony is as clever a boy as his brother
