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variety可作不可数名词,表示“变换花样”、“多种多样”等:
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I’m for variety.我赞成变换花样。
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We demand more variety for our food.我们要求食品的花样多一点。
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Life at school has plenty of variety.学校的生活有多种多样的内容。
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还可作可数名词,表示“品种”、“种类”:
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There are several varieties of red roses.红玫瑰有好几个品种。
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This is one well-known variety.这是一个有名的品种。
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There are numerous varieties of fish in the lake.这座湖里有无数种类的鱼。
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常可用于a variety of,表示“各式各样的”:
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This shop has a variety of toys.这家店有各式各样的玩具。
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She offered a variety of excuses.她提出了各式各样的借口。
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He had a variety of interests.他有各式各样的兴趣。
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variety前还可有修饰语:
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A great variety of animals survive there.那里存留下来许多品种的动物。
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The library has a wide variety of books.这家图书馆有许许多多种类的书。
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There was a considerable variety of opinions.有相当多不同的意见。
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896 Verb
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动词有许多种类,主要有下面这些。
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规则动词与不规则动词:
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这主要从词形上考虑,凡是加-ed方式构成过去式及过去分词的为规则动词,以其他方式构成过去式及过去分词者为不规则动词:
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规则动词 不规则动词 wash (washed, washed) go (went, gone) live (lived, lived) do (did, done) study (studied, studied) come (came, come) 英语中大部分动词都是规则动词。不规则动词只有一百多个,但它们大多是些常用动词,是比较活跃的。因此要学好英语,最好把这些不规则动词的三种形式(如do did done,go went gone,bring brought brought,buy bought bought)都一一背熟。这是掌握各种时态、语态的第一步。同时还要知道-s,-ing,-ed等词尾的加法。这里把几种词尾的加法归纳如下(所用动词都是规则动词):
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▲ 下面以e结尾的动词,在加-ing时,不必去e,而直接加上去:
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hoe—hoeing
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