妊娠期高血压疾病的基本病变为
A.血液高度浓缩B.水钠严重潴留C.全身小动脉痉挛D.慢性弥散性血管内凝血E.肾素-血管紧张素-前列腺素系统平衡失调
参考答案:C
. — At present we students have access to many valuable English websites to learn English.
— As far as I know, English on line.com is a free site ______ visitors can not only learn the English language but also chat on line.
A.where
B.which
C.that
D.what
以下哪种不是医疗过失行为在医疗事故中的责任程度()。
A.完全责任
B.不负责任
C.次要责任
D.轻微责任