无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項(xiàng)選擇題

If a crewman suffers a second-degree burn on the arm,you should().

A.drain any blisters
B.apply antiseptic ointment
C.scrub the arm thoroughly to prevent infection
D.immerse the arm in cold water

微信掃碼免費(fèi)搜題