1. We quickened our pace and made our way rapidly towards the stream.
    我们加快了脚步，向那条小溪快速走去.

2. We can sew by hand or with a machine.
    我们可用手缝或机器缝。

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

4. 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。

5. 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。

6. 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？

7. 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。

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

9. With scarcely a glance at the items, the clerk sweeps them across an aperture, where a special marking on each item is scanned by a low-powered laser beam inside the machine, connected to a remote computer.
    收款员几乎不看商品，只是把商品从机器上的孔眼处一扫而过，机器里的低能量激光对商品上的一个特殊标志进行扫描，这台扫描机与另一台电脑相联。

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