在气雾剂处方中表面活性剂是( )。
A.潜溶剂B.抗氧剂C.抛射剂D.增溶剂E.香料
参考答案:D
解析:[知识点] 表面活性剂
His project is concerned with _____ the technology to practical business problems.
A.replying
B.devoting
C.supplying
D.applying
白血病病人突然出现头痛,呕吐,视力模糊等症状,常提示可能发生了
A.败血症
B.脑膜炎
C.脑炎
D.颅内出血
E.消化道出血