1. In his mouth were the remains of fir trees----the last meal that he had before he fell into the crevasse and broke his back.
    它嘴里还留着冷杉 -- 它掉进冰河裂隙折断脊椎柱之前的最后一顿饭。

2. If it were gentle, only the more unstable rods fell.
    如果地震轻微，只有不稳定的木棒倒下；

3. If it were severe, they all fell.
    如果地震剧烈，所有的木棒都会例下。

4. I looked down and nearly fell off the ladder when I saw a policeman.
    我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。

5. I slipped and fell downstairs.
    我滑了一跤，从楼梯上摔下来了。

6. I was knocked over and fell against the door, striking my head and cutting it badly.
    书砸在我身上，我跌倒了，头撞在门上，磕破了，

7. I felt better when dusk fell, knowing that another day had passed.
    夜幕降临后，我感到好受些了，因为我知道又一天过去了。

8. It seems they could not find the right kind of tape to put on cars while they painted them. Either the tape stuck too much and ruined the paint job or it fell off too soon and the paint ran onto another part of the car.
    好像是他们找不到一种在给汽车喷漆时可以贴在车上的合适的胶带。要么是胶带太粘，结果把刚喷好的漆也弄坏了；要么是胶带脱落得太快，结果油漆流到了汽车的其他部位。

9. Fires burned, houses fell, gas pipes burst, and dark smoke rose from the streets.
    大火在熊熊燃烧, 房屋在倒塌, 煤气管道在爆裂，街道上升起了浓浓的黑烟。