What does Hilarie say about the kids?
A. She says they are going out of the school.
B. She says they come from other classes.
What does Bradley mean by saying "It's taken me so long"?
A. He works so hard on it for long.
B. He lives away from school.
What does Mrs. Cohen mean here?
A. Brad should do things step by step.
Brad should finish his plan once for all.
妊娠期高血压疾病的基本病理改变是
A. 脑血管痉挛
B. 肾小血管痉挛
C. 冠状动脉痉挛
D. 全身小动脉痉挛
E. 胎盘血管痉挛