低渗性脱水常见病因是
A．急性肠梗阻B．挤压综合征C．感染性休克D．高热E．长期胃肠减压
参考答案：E
_—Did you visit the Summer Palace?
—No.We could have, _______we spent too much time shopping.
A.so B but C.ecause D.though
侵蚀性葡萄胎病人的处理原则为()。
A．进行放疗
B．核素治疗
C．子宫切除
D．以化疗为主
E．子宫及附件切除
