按照中国联通客服中心规范化管理的要求,话务量/业务量预测的准确率误差应控制在()之内。
参考答案:10%
The ______ of electronic computers has opened up new ways of data analysis for the scientist.
A.advent
B.adverse
C.advert
D.advise
(18~l9题共用备选答案)
2:3:1溶液为
A.1/3张B.1/2张C.2/3张D.1/4张E.等张