每辆A车安装有信号车载设备一套，速度脉冲发生器（）个，ATP天线两个，PTI天线一个。
参考答案：两
.John got the first prize in the speech competition, and he was so excited _____us ___theatre.
A．to treat; to
B．that he treats; to
C．as to treat; for
D．as to treat; to
一产后4天的产褥妇女，有下列主诉，何项不是正常产褥现象
A．出汗多B．低热C． * * 胀痛，双腋窝硬结D．腹部阵发性绞痛，伴呕吐E． * * 流血量少于月经
