()能将检测感受到的信息,按一定规律变换成为电信号或其他所需形式的信号输出。
A.存储器
B.传感器
C.显示器
D.控制器
参考答案:B
—What a clean and bright classroom, isn't it?
—Yes, it's always clean and bright because it____every day. [ ]
A. cleans
B. cleaned
C. is cleaned
D. was cleaned
喹诺酮类药较适用于肺炎感染的药物是()
A.氧氟沙星
B.诺氟沙星
C.依诺沙星
D.培氟沙星
E.吡哌酸