按输气压力分,城镇燃气管道分为()。 A.四类七级 B.三类五级 C.五级 D.二类 发布时间:2018-02-19 07:34 │ 来源:www.tikuol.com 题型:单项选择题 问题: 按输气压力分,城镇燃气管道分为()。A.四类七级B.三类五级C.五级D.二类五级
题型:单项选择题 Read and choose. 找朋友。( )1. What's this? ( )2. Is this a sheep? ( )3. What colour is it? ( )4. Is this a cat? ( )5. Happy birthday! A. It's red. B. Yes, it is. C. It's a sheep. D. No, it's a goat. E. Thank you! 查看答案
题型:单项选择题 正常胆囊径线下列选项的说法正确的是()A.前后径<2.5cm,长径<5cmB.前后径<3cm,长径<6cmC.前后径<4cm,长径<7cmD.前后径<4cm,长径<9cmE.前后径<5cm,长径<12cm 查看答案