靶向给药制剂通常分为（）、主动靶向制剂、物理化学靶向制剂三类。
参考答案：被动靶向制剂
George Mallory was an English teacher _____ loved climbing.[ ]
A. who
B. whom
C. he
D. which
为什么风包应设在室外阴凉处？
