下列哪一项不是先兆子宫破裂的临床征象()
A.出现多个痉挛性缩复环
B.胎心音先加快后减慢
C.下腹拒按,并出现排尿困难
D.持续性腹痛,产妇烦躁不安
E.出现一个环状凹陷
参考答案:A
After our government launched a _____ to popularize Chinese language worldwide, lots of Confucius
colleges have appeared in foreign universities. [ ]
A. campaign
B. movement
C. measure
D. struggle
锅炉满水事故的危害?