水箱上应设置(),以保证水箱正常工作。
A.进水管、出水管
B.进水管、出水管、溢流管
C.进水管、出水管、溢流管、泄水管、水位信号管等
参考答案:D
Our share of the market has _____ sharply this year. [ ]
A. decreased
B. developed
C. gathered
D. applied
脑膜剌激征(颈强直测试、克匿格(Kernig)征、布鲁金斯基(Brudzinski)征)(18分)