《西厢记》的作者是( )。
A．关汉卿 B．王实甫 C．马致远 D．汤显祖
参考答案：B
_____ it rain tomorrow, we would have to cancel the football match. [ ]
A. Were
B. Would
C. Will
D. Should
妊娠晚期或分娩期突发 * * 出血伴有腹痛，称
A．流产B．异位妊娠C．早产D．前置胎盘E．胎盘早剥
