表示一组数据离散程度的是()。
A.偏差
B.误差
C.绝对误差
D.相对误差
参考答案:A
The architecture styles here are quite different from ________ in any city we have visited.[ ]
A. that
B. them
C. one
D. those
干咳少痰,或痰中带血,午后咳甚,或伴恶心烦热,颧红的症状属于()
A.风寒闭肺
B.痰热壅肺
C.燥邪犯肺
D.风热犯肺
E.肺肾阴虚