单项选择题
What is the primary purpose of a splint applied in first aid?（）
A.Control bleeding B.Reduce pain C.Immobilize a fracture D.Reset the bone
单项选择题 What is the normal length of anchor cable used to anchor a vessel?（）
单项选择题 What is the MOST irritating to the skin?（）
单项选择题 What is the（）of the turning circle in mavoeuvring?
