国际上规定全球共有时区() A.24个 B.25个 C.15个 D.36个 发布时间:2018-11-25 08:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: 国际上规定全球共有时区()A.24个B.25个C.15个D.36个
题型:单项选择题 干粉灭火时间和常备量,根据试验,不论采用体积计算法还是面积计算法,干粉的灭火延续时间都不应超过()。干粉的常备量不应小于计算量的()倍。A、20s、2B、30s、2C、20s、3D、30s、3 查看答案
题型:单项选择题 ________ about wild plants that they decided to make a trip to Madagascar for further research. [ ]A. So curious the couple wasB. So curious were the coupleC. How curious the couple wereD. The couple was such curious 查看答案