HELLP综合征是妊娠期高血压的严重并发症，其特点为
A．血小板减少
B．肝酶升高
C．肝被膜下血肿
D．腹水
E．血管内溶血
参考答案：A,B,E
---Mary was asked to do something important.
---It doesn’t matter. Let’s the work where it is left off.
A．take up
B．take down
C．take in
D．take off
河流阶地有哪些类型？
