抑制脑干网状结构上行激活系统,干扰大脑皮层的电活动的药物是()。
A.苯巴比妥
B.氯氮平
C.氯丙嗪
D.阿米替林
E.可卡因
参考答案:B
细胞学标本进行瑞氏染色的固定液是()
A.95%乙醇
B.乙醚-乙醇固定液
C.Carnoy固定液
D.甲醇
E.丙酮
by keeping down costs will Power Data hold its advantage over other companies. [ ]
A. Only
B. Just
C. Still
D. Yet