1. What stuff is this jacket made of?
    这件甲克是用什麽料子做的?

2. It has made extraordinary progress in the accumulation of knowledge.
    但在知识积累方面却取得了巨大的进步。

3. With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
    随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。

4. Why does a person standing in a bus or train tend to fall when a sudden start is made?
    一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？

5. When they had all made themselves comfortable, a stranger appeared. He looked very angry.
    当他们都已安排舒适时，一个陌生人出现了。他看上去非常气愤。

6. What I saw made me very sad.
    我所见到的一切使我非常难过。

7. We made noises agreeing with Sam.
    我们都对萨姆的话发出一片附和声。

8. We wanted to avoid the mistake made by many couples of marrying for the wrong reasons, and only finding out ten, twenty, or thirty years later that they were incompatible,
    许多夫妻因为错误的理由结了婚, 结果在10年、20年或30年后才发觉他们原来是合不来的，

9. Water from the dams can make electricity, called hydroelectricity since it is made from water power.
    从大坝里流出的水还能发电，叫做水力发电，因为它是利用水力发的电。

10. What remained of the life he had made was blown to bits though his home was more than a mile from ground zero.
    尽管他家与原子弹爆炸中心相距1英里，但是他所营造的生活中的一切还是被炸成了碎片。