预留足够的人流停住时间与足够的集中照明是售楼处( )的技术要点。
A.模型区
B.洽谈区
C.放映区
D.信息发布区
参考答案:A
某采石工,接尘15年,近几年感到胸闷、气短、咳嗽,并常伴有胸痛。X线胸片检查,5个肺区密集度1级的类圆形小阴影。诊断为
A.一期矽肺(I)B.一期矽肺(I+)C.二期矽肺(Ⅱ)D.二期矽肺(Ⅱ)E.三期矽肺(Ⅲ)
The terrestrial system of GMDSS consists of().
A.radio-telephony, DSC, Direct Printing Telegraphy,Navtex and SART
B.INMARSAT, DSC, Direct Printing Telegraphy, Navtex and SART
C.radio-telephony,DSC,EPLRB,Navtex and SART
D.Status Recording system,DSC,Direct Printing Telegraphy, Navtex and SART