硫化氢有臭鸡蛋味,如无此味,则说明无硫化氢存在。 发布时间:2018-11-18 04:20 │ 来源:www.tikuol.com 题型:判断题 问题: 硫化氢有臭鸡蛋味,如无此味,则说明无硫化氢存在。
题型:判断题 根据句意及首字母填空。1. Joe has a b______, his name is Tom. 2. They are from Japan, they are ______, they speak______. 3. One w______, one dream. 4. Mr Brown is from Paris, he speaks F______. 5. Are there a______ flowers? 查看答案