电除尘器对细粉尘有很高的捕集效率,可高于( )。A.96% B.97% C.98% 发布时间:2017-06-21 05:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 电除尘器对细粉尘有很高的捕集效率,可高于( )。A.96%B.97%C.98%D.99%
题型:单项选择题 Yesterday I_____ and I put my head back right away.A. had a nosebleed B. got hit on the head C. cut my knee 查看答案
题型:单项选择题 Although we played for the first time , we ______ the match in the end. [ ]A. saw B. watchedC. beat D. won 查看答案