按国际惯例,客房预订中预订金的收取比例一般是()。
A、整个住宿期间的房费
B、第一晚的房费
C、住宿期间的所有费用
D、饭店随意收取
参考答案:B
—Why did you drop the chance of earning big money?
— ,You know, I don’t want to get rich by taking risks.
A.All is well that ends well
B.One man’s meat is another’s poison
C.Better safe than sorry
D.No sweet without sweat
与平片相比,下列哪一项不是CT的优势()
A.密度分辨率高
B.空间分辨率高
C.解剖分辨率高
D.增强扫描有利于病变定性
E.可进行多方位重建