Keys: 1). No blame attaches to you in this affair.

2). There is a document attached to a letter.

3. form vt. 形成﹑ 构成﹑ 组成

[典例]

1). The reservoir was formed by flooding the valley. 这个水库是引水淹没山谷而形成的。

2). His research formed the basis of his new book. 他的研究成果是他这本新书的基础。

[重点用法]

form sth. from sth. （使）形成﹑ 构成﹑ 组成

form sb. / sth. into sth. 将（某人[某事物]）按一定顺序排列

[练习] 中译英

1). 老师让学生排成一排。

_____________________________________________________________________________________

2). 他们正用用陶土做碗。

_____________________________________________________________________________________

Keys: 1). The teacher formed the children into a line.

2). They are forming bowls from clay.

4. reply vt. 指望或依赖某人[某事物]

[典例]

1). Nowadays we rely increasingly on computers for help/to help us. 现今人们越来越依赖计算机协助工作

2). I relied on you(r) coming early. 我指望你早来。

[重点用法]

reply on/upon sb/sth (to do sth) 指望或依赖某人[某事物]

[练习] 中译英

1). 别指望她能说真话。

_____________________________________________________________________________________

2). 你尽管相信我一定为你保密。

_____________________________________________________________________________________

Keys: 1). She cannot be relied on to tell the truth.

2).You can rely on me to keep your secret.

5. brief adj. 简短的; 简洁的n. 摘要；任务简介

[典例]

1). Mozart's life was brief. 莫扎特的一生是短暂的。

2). It's not part of my brief to train new employees. 训练新雇员不是我工作范围以内的事。

[重点用法]

in brief 简言之

to be brief 简单地说，一句话

[练习] 中译英

1). 请简洁说。

2). 总之, 你做得不好。