倍数的表达方式 一般情况下我们用以下三种倍数表达方式: ①倍数用在as+形容词/副词+名词+ as结构之前 They have three times as many cows as we do. 他们拥有的奶牛是我们的三倍多. ②倍数放在形容词或副词的比较级之前或by + 倍数用在比较级之后 This rope is four times longer than that one. They produced more products in 2009 than those in 2008 by twice. 2009年的产品是2008年的两倍 ③倍数用在表示度量名词前.其基本结构为:倍数 + the + size / length / weight -+ of + 表示比较对象的名词.也可用于倍数 + what引导的从句中 This room is three times the size of that one. The college is twice what it was 5 years ago.这个学院是5年前的两倍. You can’t imagine that rats eat 40 to 50 times their weight. 【查看更多】

 

题目列表(包括答案和解析)

写作训练

根据句意,在不改变原句意思的情况下,用另一种形式改写所给的句子。每条横线上不多于5个词。

If you don’t play every week , you won’t improve your tennis.

You won’t improve your tennis unless ________________________________every week.

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写作训练

根据句意,在不改变原句意思的情况下,用另一种形式改写所给的句子。每条横线上不多于5个词。

It’s too cold to play tennis.

It isn't warm ________________________________to play tennis.

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写作训练

根据句意,在不改变原句意思的情况下,用另一种形式改写所给的句子。每条横线上不多于5个词。

There are only a few squash courts in this town.

There aren't very ________________________________squash courts in this town.

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写作训练

根据句意,在不改变原句意思的情况下,用另一种形式改写所给的句子。每条横线上不多于5个词。

I haven’t been to a tennis match for a long time.

It’s a long time since ________________________________________a tennis match.

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写作训练

根据句意,在不改变原句意思的情况下,用另一种形式改写所给的句子。每条横线上不多于5个词。

Why don't you join a tennis club?

If I were you, ________________________________________join a tennis club.

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