单项选择题
A.cold and moist skin，high body temperature B.cold and dry skin，low body temperature C.hot and moist skin，high body temperature D.hot and dry skin，high body temperature
Sign(s) of respiratory arrest requiring artificial resp...
单项选择题Sign(s) of respiratory arrest requiring artificial respiration is(are)（）.
A.vomiting B.blue color and lack of breathing C.irregular breathing D.unconsciousness
Seawater may be used for drinking（）.A.under no conditio...
单项选择题Seawater may be used for drinking（）.
A.under no conditions B.at a maximum rate of two ounces per day C.if gathered during or immediately after a hard rain D.after mixing with an equal quantity of fresh water
Once you have established the daily ration of drinking ...
单项选择题Once you have established the daily ration of drinking water in a survival situation，how should you drink it?（）
A.Small sips at regular intervals during the day B.The complete daily ration at one time during the day C.One-third the daily ration three times daily D.Small sips only after sunset
