瓷砖与面砖，谁用于室外装修，谁用于室内装修？
参考答案：瓷砖室内，面砖室外
医学科研道德的根本原则是（）
A.献身医学
B.造福人类
C.团结同道
D.合理保密
E.严谨治学
（）should ensure that adequate measures are taken to prevent alcohol and drugs from impairing the ability of watchkeeping personnel.
A.The quarantine officers
B.Administrations
C.The immigration officers
D.The customs officers
