体内能量的产生、转移和消耗称为（）.
A.能量代谢
B.基础代谢
C.安静代谢
D.机能代谢
参考答案：A
Iraq has _______ too many wars since the 1990s, making his people _______a lot.
A．got through; suffer from
B．looked through; suffering
C．gone through; suffer
D．passed through; suffered
下列哪些是前置胎盘的表现？（）
A.无痛性 * * 流血
B.胎先露下降受阻
C.子宫张力高，胎心难听到
D.耻骨联合上方可闻及与母体脉搏一致的吹风样杂音
E.痛性 * * 流血
