取消群组的快捷键是()。A、Ctrl+A B、Ctrl+U C、Alt+F9 D、A 发布时间:2019-12-29 09:26 │ 来源:www.tikuol.com 题型:单项选择题 问题: 取消群组的快捷键是()。A、Ctrl+AB、Ctrl+UC、Alt+F9D、Alt+F12
题型:单项选择题 The water in the lakes and rivers in Shandong becomes ______ because of the dry weather . A. less and less B. more and more C. fewer and fewer 查看答案
题型:单项选择题 与聚合物改性沥青防水卷材相比,氯化聚乙烯—橡胶共混型防水卷材的优点有下列的( )。A.拉伸强度高,延伸率大B.价格便宜,可单层铺贴C.高温不流淌,低温不脆裂D.具有优异的耐臭氧,耐老化性能 查看答案