胎儿窘迫的征象是（）
A.胎心减慢至100次/分
B.羊水流出
C.头先露羊水中混有胎粪
D.子宫收缩乏力
E.均为早产儿
参考答案：A, C
It was a pity that he __ blind, but to the joy of his family, his dream of becoming a musician _____ true at last.
A．came; came
B．went; went
C．came; went
D．went; came
下列选项中，中介服务方的报酬采用"佣金+差价"的形式是（）。
A.代理
B.居间
C.包销
D.行纪
