aaS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:A
“Would you rather wait or come back later?” “ _____.”
A.I’d rather come back
B.Yes, I’d rather not wait
C.No, I’d rather wait
D.to come back
空腹下其胃内充满无回声液暗区,内有漂浮强光团和光点,看不到胃的蠕动波。是为胃扩张的声像图。