单项选择题
A.remove them to fresh air B.flush their face with water for about 5 minutes C.stand them up and walk them around D.remove their clothing and wrap them in blankets
The FIRST treatment for a surface burn is to（）.A.wash t...
单项选择题The FIRST treatment for a surface burn is to（）.
A.wash the burned area with a warm soap and water solution B.flood，bathe，or immerse the burned area in cold water C.cover the burned area with talcum powder and bandag it cover the burned area with talcum powder and bandage it tightly D.leave the burned area exposed to the atmosphere
The device that allows a floating ship to sway without ...
单项选择题The device that allows a floating ship to sway without bending the marine riser system is the（）.
A.yaw joint B.sway joint C.slip joint D.flex or ball joint
The depth over a shallow patch，（）about 1．5 miles southe...
单项选择题The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.
A.lay B.lies C.being lain D.lying
