地方人民代表大会制定颁布的卫生规范性文件是( )
A．卫生法律B．卫生行政法规C．地方卫生行政法规D．卫生基本法E．地方卫生部门规章
参考答案：B
携带和传播肾综合征出血热病病原的动物是（）
A.鼠
B.蚊
C.狗
D.蜱
E.猪
The complying vessels can transmit ship-to-shore distress alerts by at least（）.
A.One means, whether satellite or terrestrial techniques
B.Two means, whether satellite or terrestrial techniques
C.Two separate and independent means, each using different radio communication services
D.Two means, such as MF DSC and HF DSC
