将比例乘以100得到的就是()。A.百分比 B.比率 C.平均数 D.极差 发布时间:2017-03-29 18:23 │ 来源:www.tikuol.com 题型:单项选择题 问题: 将比例乘以100得到的就是()。A.百分比B.比率C.平均数D.极差
题型:单项选择题 Thanks to the Party's opening and reform policy, people in China are ______ than they were thirtyyears ago. [ ]A. well off B. much better off C. more better off D. quite better off 查看答案
题型:单项选择题 1999年WHO/ISH高血压处理指南规定高血压3级是(mmHg)()A.收缩压130~139mmHg和(或)舒张压85~89mmHgB.收缩压140~149mmH和(或)舒张压90~94mmHgC.收缩压140~159mmHg和(或)舒张压90~99mmHgD.收缩压160~179mmHg和(或)舒张压100~109mmHgE.收缩压≥180maHg和(或)舒张压≥110mmHg 查看答案