| 第 1 页：听力练习 |
| 第 2 页：文本参考中文翻译 |
| 第 3 页：重点长难句翻译 |
| 第 4 页：词汇讲解 |
| 第 5 页：语法讲解 |
| 第 6 页："种瓜得瓜,种豆得豆"的几种译法 |
三 语法讲解
1.But plant breeding reduced the fibers, and now the beans are known as snap beans. 但是作物育种会减少纤维量，现在大家所知道的都是食荚菜豆。
be known as 作为...而著名（后接身份，职业等名词 ）
be known for 因为...而著名（后接事物的特点，特长）
be known to 为...所知道/了解；(人们都)知道..（后接人或动词原形)
例句：Liu Huan is known as a singer．刘欢作为一个歌手而出名。
Guilin is known for her beautiful mountains and rivers．
桂林因其美丽的山水而闻名。
He is known to all in our village．村子里的人都了解他。
2.Space the rows at least forty-five to sixty centimeters apart.
行间距应至少在45-60公分之间。/行与行之间要隔至少45-60公分
Space 【名词】空间，位置，距离
【及物动词】隔开，分隔（文中的用法）
例句：Space your words when you write.
写字的时候要把字均匀地隔开。
There is plenty of space here to move about.
这里有很大的活动空间。
3.Not only are beans a healthy food, they are also good for the soil.
菜豆不仅是一种健康的食物，它对土壤也有好处。
Not only...but also 不但...而且
此句型一般只省略also,但在连接句子时，有时也可见到省略but甚至but also的情形。例如：
Not only was I tired, I was also cold.我不光困倦， 还感到很冷。（省去了but）
George not only made an important friend, he also learned about the frontier 。(省去了but)
