3. spread v.传播；伸展；展开

　　过去式spread.，过去分词spread.

The fire spread quickly through the forest.

大火迅速在整个林区蔓延。

He spread the information around.

他到处散布那个消息。

Bird flu quickly spread throughout the lonely area.

禽流感很快在那一偏僻地区蔓延开了。

4. satisfy vt.使......满意，满足

（1）常用结构：

satisfy sb. /sth.使......满意/满足

be satisfied with sb. / sth.对......感到满意

be satisfied to do sth.对做......感到满意

He is seldom content. Nothing satisfies him.

他很少满足，什么也不能使他满意。

My English teacher was satisfied with my English study.

我的英语老师对我的英语学习感到满意。

We were satisfied to get a timely answer.

得到及时的回答，我们感到很满意。

（2）satisfied adj.（人）满足的；满意的

satisfying adj.（事物）令人满意的

satisfactory adj.令人满意的；合乎要求的；如愿的

satisfaction n.满足；满意

即学即用：①The little girl gave a ____________ smile.

　　小女孩露出了满意的微笑。

　　②What he has done is far from _____________.

　　A．satisfactory B．satisfied

　　C．satisfaction D．satisfy

5. desire n.愿望；心愿；要求vt. 期望；希望；请求

（1）desire动词 期望，表示强烈的愿望或请求，可接名词、不定式、复合宾语和从句：