18,24,21,27,24,30,______A.19 B.22 C.25 D.2 发布时间:2018-01-06 14:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: 18,24,21,27,24,30,______A.19B.22C.25D.27
题型:单项选择题 The party held last night was _______ success; we sang and danced until it came to _____ end at twelve. A./; /B.a; theC.the; anD.a; an 查看答案
题型:单项选择题 档距为500-700m,电线挂点高度为40m,产生振动的风速是下列何值?()A.0.5~10.0m/sB.0.5~8.0m/sC.0.5~15.0m/sD.0.5~6.0m/s 查看答案