退磁时,通电的时间很少超过()。A.5s B.30s C.120s D.240s 发布时间:2017-05-08 00:31 │ 来源:www.tikuol.com 题型:单项选择题 问题: 退磁时,通电的时间很少超过()。A.5sB.30sC.120sD.240s
题型:单项选择题 There is a great deal of evidence that music activities engage different parts of the brain. [ ]A.indicateB.indicating C.to indicateD.to be indicating 查看答案
题型:单项选择题 You’d better your scores and see if you have passed the exam.A.add upB.add up toC.add toD.add to up 查看答案