蒸汽预热通常是在（）混合机中进行。 A.一次 B.二次 C.三次 发布时间：2018-02-24 21:13 │ 来源：www.tikuol.com 题型：单项选择题 问题： 蒸汽预热通常是在（）混合机中进行。A.一次B.二次C.三次
题型：单项选择题 阅读下面的短文，从所给的12个单词中选择合适的10个单词补全短文，每空只填一词。many, red, yellow, doctor, water, student, likes, like, planting, helping, seeds, fun Hello, my name is Jack. I am a . I like flowers in my garden. It's very interesting. I often put some in the pot and it every day. It is to wait for the flowers. My father is a .He watching the flowers and me water them. There are flowers in my garden. I love them very much. They are , red, purple, white and pink. Do you like planting flowers? Let's do it together. 查看答案
题型：单项选择题 检验批的抽样方案中，对于主控项目，对应于合格质量水平的( )。A．错判概率和漏判概率均不宜超过3%B．错判概率和漏判概率均不宜超过5%C．错判概率不宜过5%，漏判概率不宜超过10%D．错判概率不宜过5%，漏判概率不宜超过15% 查看答案