软件可分为系统`软件和应用软件两类,Windows属于其中的()软件。
参考答案:系统
The manager said that they had an _____ plan if the plan they had submitted was not accepted.
A.alternate
B.alternative
C.absolute
D.appreciable
关于休克的药物治疗,下列哪项是不正确的()
A.扩血管药物
B.缩血管药物
C.大量抗生素
D.代谢性药物治疗
E.钙通道阻滞剂