是指将药物包封于类脂质双分子层形成的薄膜中所制成的超微球状载体制剂（）
A.脂质体
B.毫微囊
C.主动靶向制剂
D.微囊
E.微丸
参考答案：A
用be动词am，is，are填空。
1. I ______________ going to the park this afternoon.
2. She ______________ going to take a trip tomorrow.
3. He ______________ going to watch TV tonight.
4. We ______________ going to the cinema this evening.
5. They ______________ going to the Great Wall next week.
影响重沸器操作的因素是什么？
