A、B、C和D四种材料,其拉伸时的应力应变曲线分别如图5-14所示,问:塑性最好的材 发布时间:2017-02-06 14:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: A、B、C和D四种材料,其拉伸时的应力应变曲线分别如图5-14所示,问:塑性最好的材料是().A.AB.BC.CD.D
题型:单项选择题 —Have you bought ____________ for Linda’s birthday? —Not exactly. Just some flowers. [ ]A. something unusual B. anything unusualC. unusual somethingD. unusual anything 查看答案