1、垃圾焚烧的工艺要求中,燃烧烟气温度必须在()以上,且滞留时间超过(),这样才能保证垃圾焚烧过程中使有机物得到彻底的解决,减少有害气体的产生(特别是二噁英),从而减少后道工序的处理负荷和对周围环境的污染。
A. 550℃,1秒
B. 850℃,2秒
C. 950℃,4秒
D. 650℃,3秒
查看答案
从下列单词中选择适当的词填入相应的空格中:i'm / you / she / he / your / g / i / j / name/ surname / my / her / first / his / may /is/对话练习1 .a: What's _____ name?b: She's Angela Lee.a: How do you spell her _____ name?b: It's l-e-e.
从下列单词中选择适当的词填入相应的空格中:i'm / you / she / he / your / g / i / j / name/ surname / my / her / first / his / may /is/对话练习2 .a: May i have your _____ name?b: Yes, I'm jill.a: Is it g-i-l-l?b: No. It's j-i-l-l. _____ for jam._____for ink and following with double l.
从下列单词中选择适当的词填入相应的空格中:i'm / you / she / he / your / g / i / j / name/ surname / my / her / first / his / may /is/对话练习3.a: _____ name, please?b: His name is tommy.a: Is _____ Tommy White or Tommy Wright?b: White. w-h-i-t-e.
从下列单词中选择适当的词填入相应的空格中:i'm / you / she / he / your / g / i / j / name/ surname / my / her / first / his / may /is/对话练习4.a:i speak to jenny?b: Sorry. She's not at home yet. Want to leave a message?