Iaas是（）的简称.
A.软件即服务
B.平台即服务
C.基础设施即服务
D.硬件即服务
参考答案：C
—What bad weather! It has been raining for months.
—I think we’d better put on_________. It’s easy to get a cold in such rainy days.[ ]
A. anything warm
B. warm something
C. something warm
D. warm anything
患者，男，59岁血压140/95mmHg，他的血压属于（）
A.正常血压范围
B.临界高血压
C.1级高血压
D.2级高血压
E.3级高血压
