消毒是指杀灭物体上所有的微生物（包括病原体和非病原体、繁殖体和芽胞）的方法。
参考答案：错
He worked hard before the college entrance examination, and it_________. His dream to go to college came true. [ ]
A. showed off
B. paid off
C. put off
D. took off
使药物恒速释放或近似恒速释放的片剂（）
A．口含片
B．舌下片
C．多层片
D．肠溶片
E．控释片
