妊娠高血压综合征最基本的病理变化是
A．肾脏功能衰退B．弥漫性血管内凝血C．全身小动脉痉挛D．胎盘绒毛退行性变化E．胎盘后血肿
参考答案：C
The jacket, which my mother bought me as a birthday present, _____ me pretty well but the trousers my father gave me were too short.
A．suited
B．fitted
C．matched
D．Met
正强化的方法包括（）。
A.奖学金
B.对成绩的认可
C.表扬
D.改善学习
E.给予学习和成长的机会
