24.base on/upon 以……为基础，基于

The novel is based on the historical facts. 这部小说是根据历史题材写成的。

The belief is based upon practical experience. 这信仰来源于实践经验。

25.be able to 能，会

Since his accident, he hasn’t been able to leave the house. 他自从出了事故以来就没能离开这房子。

The frog is able to jump 3 meters at one time.这只青蛙一次能跳三米远。

26.be absorbed in 全神贯注于，专心于

She was absorbed in the book. 他全神贯注地读书。

He was so absorbed in his work that he rarely noticed what happened around him.他全神贯注地工作，很少注意到周围发生了什么。

27.be composed of 由……组成

The class was evenly composed of boys and girls. 这班级由男生与女生平均组成。

What is water composed of? 水是由什么组成的?

28.be concerned with 关于，与……有关

This book is concerned with computer technology. 这本书是关于计算机技术的。

He is always concerned with state affairs. 他总是关心国家大事。

29. be fit for 适合

The book is fit for children.这本书适合孩子。

The houses are now fit for human habitation. 这些房子适合人类居住。

30.be/go on a diet 节食

I mustn’t have chocolate. I am on a diet. 我不能吃巧克力，我在节食。

Going on a diet is not the best way to reduce weight. 节食不是减肥的最佳办法。

31.be related to 与……有关，涉及

This article is related to the international situation. 这篇文章讲的是国际形势。

Painting is related to art. 绘画与艺术有关。

32.be/get tired of 对……感到厌倦

I am tired of exams. 我厌倦了考试。

I am tired of eating the same food every day. 我厌烦了每天吃同样的食物。

33. be/get used to 习惯于

We are used to the cold weather here. 我们适应了这里的寒冷天气。

34.bear/keep…in mind 牢记在心

Bear in mind what I am saying. 记住我说的。

Please bear in mind the instructions the doctor has given you. 记住医生给你的指示。

35.because of 因为

Because of his laziness, he failed the exam again. 因为懒惰，他考试再次不及格。

Because of his bad leg, he could not walk as fast as others. 由于他的残腿，他不能与别人走一样的快。

36.begin/start with 以……开始

The first word of a sentence should begin with a capital letter.句子的首字母应大写。

Knowledge begins with practice. 理论来源于实践。

37.before long 不久，很快

The storm will be over before long. 风暴很快就会过去。

The book will be published before long. 这本书不久之后就出版。

38.believe in 信任，相信

I don’t believe in ghosts. 我不信鬼。

Marxism believes in the primacy of matter. 马克思主义相信物质第一性。

39.belong to 属于

The land belongs to a big family. 这片土地属于一个大家庭。

The future belongs to a big family. 未来属于年轻的一代。

40.benefit from 从……获益

I benefited a lot from his advice. 我从他的建议中受益非浅。

He will benefit from the new way of doing business. 他会从新的生意之道中获益匪浅。

41.blame…for 为……责备……，归昝

You mustn’t blame me for that; it wasn’t my fault.你不应该指责我，那不是我的错。

42.bring about 产生，引起，带来

Science has brought about great advances in human civilization. 科学给人类文明带来了巨大进步。

What has brought about the misunderstanding between them? 什么引起了他们之间的误解?

43.bring up 抚养，养育

He was brought up in poverty. 他在贫困中长大。

She brought up her children to be considerate of others.他教育孩子要体贴他人。

44.by accident/chance 偶然，碰巧

They met each other by accident. 他们碰巧遇见了。 I found these things by chance. 我碰巧发现了这些东西。

45.by means of 借助……手段

He succeeded by means of investing in insurance.他通过投资于保险业而获得成功。

I translated the lyric poems by means of dictionary.我借助字典翻译了这些抒情诗。

46.by mistake 弄错

I took his book by mistake. 我错拿了他的书 She put salt into her cup of tea by mistake. 她错把盐放入了茶中。