问题
单项选择题
葡萄胎病理变化为()
A.成团的滋养细胞,无绒毛结构
B.滋养细胞增生,绒毛间质水肿,血管消失
C.肌层内坏死组织和血块可见少数水泡,镜下可找到绒毛
D.胎盘绒毛增大,间质液化,无滋养细胞增生
E.胎盘种植部位有滋养细胞和炎性细胞浸润
答案
参考答案:B
葡萄胎病理变化为()
A.成团的滋养细胞,无绒毛结构
B.滋养细胞增生,绒毛间质水肿,血管消失
C.肌层内坏死组织和血块可见少数水泡,镜下可找到绒毛
D.胎盘绒毛增大,间质液化,无滋养细胞增生
E.胎盘种植部位有滋养细胞和炎性细胞浸润
参考答案:B
It is interesting to visit another country, but there are sometimes problems when we don't know the very well. It may be to talk with the people there. We may not know how to use the telephone in the country we are visiting. We may not know how to buy the we need. In a country we might not know where to eat or what to order in a It is not easy to decide how to tip (付小费) waiters or taxi drivers. When we need help, we might not know how to ask for help. It is not pleasant to have an experience that. a short time, however we learn what to do and what to We learn to enjoy life in another country, and then we may be to leave.
|