1. 请根据括号中的中文提示或括号中所给单词，写出句中所缺单词，使句子通顺。

1. （1） When you are in danger, it is important to make you not (紧张) and calm down.

3. （2） A number of car (事故)happened in the street because of the foggy weather.

5. （3） Because of the terrible (灾害), the boy lost his life.

7. （4） It is said that the bad milk powder(劣质奶粉) （引起）the death of over 30 babies.

9. （5） We will go on a trip to Shanghai. The three (长途汽车) will take us there.