A:100%
B:75%
C:50%
D:25%
某伤者因失血过多需要输血,如果在血型检测中发现他的红细胞中只含有A凝集原,那么原则上应给他输( )
____,我想对你说:“____。”
我国东部沿海地区的高速公路多的主要原因是( )
His father bought iPhone 6s for his mother as useful gift yesterday.