一个多边形的每一个外角都等于72°，这个多边形是______边形．
360°÷72°=5，
故答案为：五．
用所给单词的适当形式填空。
1. My sister ____________ (buy) presents for me last week.
2. I ____________ (do) my homework now.
3. He often ____________ (play) football with his classmates.
4. There are many ____________ (strawberry) there.
5. I ____________ (sing) and ____________ (dance) with my new friends last night.
6. Let's ____________ (climb) mountains.
7. Mike and Sarah ____________ (be) in Class 1.
8. Did they ____________ (go) skiing?
《中华人民共和国药品管理法》规定批准并发给《医疗机构制剂许可证》的部门是（）
A．国务院药品监督管理部门
B．国务院卫生行政部门
C．国务院劳动和社会保障部门
D．省、自治区、直辖市人民政府药品监督管理部门
E．省、自治区、直辖市人民政府卫生行政部门
