一般应整片或整粒吞服的剂型有
A．黏膜保护用咀嚼片
B．激光打孔的控释片
C．无划痕的缓释片
D．口崩片
E．肠溶胶囊
参考答案：B,C,D
He has lost the key to the drawer _____ the papers are kept.
A．where
B．on which
C．under which
D．which
试分析空调系统高压压力开关动作的故障原因？
