1. Air is a mixture of gases.
    空气是各种气体的混合物。

2. ´It´s a strange mixture I make myself.´
    "这是一种我自己配制的奇特的混合物。"

3. A particular pattern of management behavior develops from a complex mixture of unique cultural factors — and will only work within a given culture.
    某一特定的管理行为模式，是由其独特的文化因素复合发展而成的——因而仅在一定的文化中起作用。

4. She´s developed a chronic cough.
    她的咳嗽已成了一种慢性病。

5. Commitment among parents is a key ingredient in the Hyde mixture.
    在海德中学的综合教育中，父母的参与是一个关键的组成部分。

6. I have got a cough.
    我有点咳嗽.

7. It was not unusual for him to cough for an hour.
    他常常一连咳上一个来小时。

8. I do not remember when he started to cough.
    我记不清父亲是什么时候开始咳嗽的,