治疗重度妊高症孕妇，首选药物应是
A．利尿药
B．强镇静药
C．降压药
D．解痉药
E．扩容药
参考答案：D
They walked together as far as the second crossing ____ they parted .
A．when
B．which
C．why
D．where
国际通用的EAN商品条形码体系，适合制造商、供应商和零售商共同使用。( )
