根据席位的报盘方式的不同,可以分为有形席位和无形席位。( ) 发布时间:2018-04-11 03:19 │ 来源:www.tikuol.com 题型:判断题 问题: 根据席位的报盘方式的不同,可以分为有形席位和无形席位。( )
题型:判断题 When I got to the cinema, the film _____ for five minutes.[ ]A: had started B: had been on C: has been on D: has started 查看答案
题型:判断题 取150ml水样,用0.05000mol·L-1HCl溶液滴至酚酞终点,用去15.00ml再甲基橙指示剂又用去22.00ml,问水中存在何种碱度其含量若干mg·L-1(以CaCO3计) 查看答案