Everybody on the spot was deeply touched by the bravery the young girl who took off her only blouse, 

_____ the burns and ______ the mouth-to-mouth method to save the man who was in a coma (昏迷) 

because of a bad electric shock.     [ ]

A. wrapped; took advantage of  

B. dressed; applied  

C. did up; used  

D. packed up;  made use of

实验考查中小明配制了50g15%的食盐水，经检测质量分数偏高，可能原因是

A．食盐中含有不溶杂质

B．取水时俯视读数

C．称量时物码放反

D．转移至细口瓶时洒出