We shall appreciate hearing from you again．

我们恭候佳音。

I don't think you appreciate the danger of this job.

我认为你完全不了解这项工作的危险性。

I appreciate your kindness.

多谢厚意。

Houses in this area have all appreciated since the new

road was built.

这条新路修好后，这个地区的房子都涨价了。

【注意]appreciate 后接动词的-ing形式，不能接不定

式，也不可用"人"作宾语。

【考点2】certain 的用法

▲构词：

① certainly adv. 的确，(口语)当然·行

② certainty n. 确实．确定(性)；确知，确信；必然的事；

毫无疑问的事

▲搭配：

① It is certain that... ......"是肯定无疑的

友情提示：certain在大多时候可以被sure替换，但此

句型中不可以。

② be certain of / about确信，深信

③ be certain to do sth必然，一定

④ be not certain whether...不能确定是否......

⑤ for certain 肯定地，确凿地

⑥ make certain of / about把......弄清楚，把......弄确

实

⑦ make certain that... 保证......

【考例2】[NMET 1997] Wait till you are more

____. It's better to be sure than sorry.

A. inspired B. satisfied

C. calm D. certain

[考查目标] 本题考查certain的词义。

[答案与解析]D 从下文的sure可以得到印证，句意是

"等到有把握(确信)"。

5. develop v.

(1) vt. 发展，养成；形成，培养

The little boy developed an interest in music.

这个小男孩对音乐感兴趣。

Fresh air and exercise develop healthy bodies.

新鲜空气和体育锻炼造就了健康的体魄。

(2) 成长，形成

James has developed into a charming young man.

詹姆斯已经长成为一个富有魅力的年青人。

(3) 冲洗 (胶卷)

Let's have these pictures developed.