根据汉语或首字母提示填写单词。

1. A coach _____(猛撞) into a tree yesterday. Three men lost their lives in the

accident.

2. We can't find the village now because a flood _____(冲) it away.

3. Bad w_____ may cause natural disasters.

4. —What's the t_____ now? 

    —It's 20?.

5. Put on more clothes tomorrow. It will be _____(下雪的).

6. The weather report says the temperature will _____(下降) to -5?.

7. I was l_____ to the radio when it started to snow.

8. It's very cold outside. The weather has d_____ below zero.

9. We must keep c_____ when we are in danger.

10. Some people _____(尖叫) because they were very frightened.

赫尔巴特主张“应当循序渐进地来学习一切，在一个时间内只应当把注意力集中在一件事情上”。