在古代月圆和月缺一般形容什么?()
A.悲欢离合
B.天气的好坏
C.凶吉的象征
参考答案:A
I don't think Jay Chow is a great singer, but my young brother ______.[ ]
A. think
B. is
C. does
胎体最早进入骨盆的部分称
A.胎先露
B.胎方位
C.入盆
D.衔接
E.胎产式