兼有镇痛作用的降压药是：
A．甲基多巴
B．米诺地尔
C．普萘洛尔
D．哌唑嗪
E．可乐定
参考答案：E
Missing school to watch the football is quite impossible. Which of the following can replace the underlined part.
A．out of the question
B．out of question
C．without question
D．beyond question
CAM技术和CAD技术之间没有联系。( )
