What's his name?[ ]
A. His name is Mike.
B. Her name is Anny.
答案:A
相同的被测量,绝对误差可以评定其精度的高低,不同的被测量,绝对误差就难以评定其测量精度的高低,而采用相对误差来评定较为确切。
阴虚血热型月经先期的治法是
A.补脾益气,固冲调经B.养心健脾,固冲调经C.补肾益气,固冲调经D.疏肝解郁,清热调经E.清热泻火,凉血调经