鉴别脑膜炎奈瑟菌与卡他布兰汉菌的相关试验是（）。
A.蔗糖发酵试验
B.乳糖发酵试验
C.麦芽糖分解试验
D.触酶试验
E.菊糖分解试验
参考答案：C
-Do you mind my opening the windows for some fresh air?
-________.I am feeling a bit cold here in the room. [ ]
A. I'd rather you didn't
B．You'd rather not
C.I would prefer not
D. You'd better do it
化学变化的基本特征是_________________，通常表现为_________________、_________________、_________________等。
