"产后三急"是指
A．发热、腹痛、昏迷B．下血、眩晕、乳胀C．心悸、气短、抽搐D．呕吐、盗汗、泄泻E．便难、尿闭、汗出
参考答案：D
She has been in Tianjin for ten years. Tianjin has become her second__________. [ ]
A. family
B. house
C. home
D. room
摸底调查有什么作用？
