根据句意及首字母或汉语提示，完成下列单词。（5分）

1. The e_________ is the biggest animal on land.

2. The old man p________ trees in spring every year.

3. My hobby is c________ stamps（邮票）.

4. It’s d________ to play football in the street.

5. Will you i__________ your teachers to your birthday party?

医疗机构应为用药者提供（）。

A.进口药品

B.知名品牌药品

C.价格合理药品

D.国产药品

E.价格贵的药品