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【简答题】
烟气中的SO 2 、NO x 的转化和综合利用既有利于节约资源,又有利于保护环境 (1).汽车尾气中的CO、NO x 在适宜温度下采用催化转化法处理,使它们相互反应生成参与大气循环的无毒气体。写出NO被CO还原的化学方程式:____。 (2). 用氨可将氮氧化物转化为无毒气体。如,4NH 3 +6NO催化剂△5N 2 +6H 2 O, 写出氨气转化NO 2 的化学方程式____
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举一反三
【简答题】A．He'll look for the woman's wallet. B．He'll help the woman with her physics project. C．He doesn't have much money. D．He'd like to pay for the woman's lunch.
【单选题】听力原文：(A) Two women are dressing in beautiful gown. (B) The woman with a cup wears a skirt instead of trousers. (C) They are shaking hands with each other. (D) The woman on the left is holding a tiny b...
A.
B.
C.
【简答题】A．The manager is quite satisfied with the woman. B．The woman likes working with others. C．The woman likes working in her own. D．The woman is a student.
【简答题】作为宝石应满足的四要素包括:_______、_______、_______、_______。
【单选题】Question 4
A.
He lost his classmate’s homework.
B.
He can’t help the woman with her math.
C.
He dropped her calculator.
D.
He lost the button
【简答题】A．He'll look for the woman's wallet. B．He'll help the woman with her physics project. C．He doesn't have much money. D．He'd like to pay for the woman's lunch.
【单选题】A) Say goodbye to the woman at the airport. B) Meet the woman at the Black Cat Cafe. C) Drive the woman to the airport. D) Have lunch with the woman.
A.
Say goodbye to the woman at the airport.
B.
Meet the woman at the Black Cat Cafe.
C.
Drive the woman to the airport.
D.
Have lunch with the woman.
【简答题】A热力公司将埋地热力管道的施工任务发包给了B施工单位，由C监理单 位实施监理。 B施工单位必须编制施工组织设计，该施工组织设计必须包含的内容有( )。 （多项选择题） A.工程概况 B.施工部署及施工方案 C.工程款回收计划 D.施工进度计划 E.设计变更计划 管道试压及管沟回填时，监理单位必须( )。（单项选择题）A.旁站监理 B. C.听取汇报 D.无关紧要 施工项目涉及多个单位联合共...
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