任何放射性物品货包或外包装的临界安全指数应不超过(),但按独家使用方式运输的托运货物 发布时间:2017-11-18 13:48 │ 来源:www.tikuol.com 题型:单项选择题 问题: 任何放射性物品货包或外包装的临界安全指数应不超过(),但按独家使用方式运输的托运货物除外。A.50 B.20 C.10
题型:单项选择题 With a lot of modern buildings _______, today’s cities are quite different from _______ of the past.A.to be built, onesB.being built, oneC.built, onesD.built, those 查看答案