麻醉药品的标签颜色是：
A．红、黄
B．黑、白
C．绿、白
D．蓝、白
E．红、白
参考答案：D
The rocket _____ a number of scientific instruments, _____ a television camera. [ ]
A. contains; includes
B. includes ; contains
C. contains ; including
D. contains ; included
制定行业标准的前提是没有( )。
A．地方标准
B．行业标准
C．国家标准
D．企业标准
