前置胎盘的发生与下列哪些因素有关()
A.子宫内膜炎
B.受精卵滋养层发育迟缓
C.妊高征
D.副胎盘
E.双胎妊娠
参考答案:A, B, D, E
Hardly had Sabrina finished her words when Albert said___ ,“Don’t be so mean,’’ pointing a finger of warning at her.
A.dreadfully
B.guiltily
C.indirectly
D.sharply
看图回答问题
图体现的思维方式是()
A.直觉思维
B.想象思维
C.聚合思维
D.发散思维