单词拼写。  

1. He passed his examinations and now he has the ____ (学位) of Master.

2. He was s____ to three years in prison for stealing.

3. He gave the children some candies to ____ (奖赏) them for behaving well.

4. Can you show me the ____ (位置) of your hometown on the map?

5. He was made ____ (会长) of the cricket club.

臣药的作用是（）

A．对兼病或兼症起主要治疗作用

B．治疗主病主症的药物

C．治疗中起引经作用的药物

D．治疗次要的症状或起反佐作用的药物

E．以上都不是