试题与答案

根据《大气污染物合排放标准》,对于排气筒中连续性排放的废气,如在1h内等时间间隔采样

题型:单项选择题

题目:

根据《大气污染物合排放标准》,对于排气筒中连续性排放的废气,如在1h内等时间间隔采样,应至少采集()个样品,计平均值。

A.2

B.3

C.4

D.5

答案:

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Terry was a middle-aged leather trader whose repeated failures in career made him a bad-tempered and disappointed man, often complaining that he had been cheated by others. One day he told his wife he was so disappointed with the city that he had to leave.

So his family moved to another city. It was the evening of a weekend. When Terry and his wife were busily engaged in tidying up their new home, the lights suddenly went out and they were forced to stop work. Terry regretted to have forgotten to bring along candles and had to wait helplessly in a bad mood. Just then he heard light,hesitand(犹豫的)knocks on his door that were clearly heard in the quiet night.

“Who’s it?”he wondered. Terry didn’t know anybody in the new city, and this was the moment he especially hated to be disturbed. He went to the door and opened it impatiently. At the door was a little girl, asking in a shy voice,“Sir, do you have candles? I’m your neighbor.”“NO,”answered Terry rudely. He shut the door.“What a nuisance!”he grumbled(嘟囔)over it with his wife.“No sooner had we settled down than the neighbor came to borrow things. What’ll be the next? How bothering!”

He was angry about it when the door was knocked at again. He opened it and found the same little girl outside. But this time she was holding two candles. She said, “My grandma told me the new neighbor downstairs might need candles. She sent me here to give you these.”Terry was struck by what he saw. When he became fully aware, he said,“Thank you and your grandma. God bless you!”

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D.he was cheated at that time

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A.Help others to help yourself              B.Light the candle in your heart

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  随着我国社会经济的发展和居民收入水平的提高,在一些大中城市中,越来越多的人开始放慢奔波的脚步,享受休闲生活。“休闲生活”渐成时尚。为了让大家对这一社会现象有所认识,班级准备开展社会实践活动,请你完成下列任务。

1.下面是同学们搜集到的两则材料。根据这两则材料提供的信息,分别说出我国具备了进入休闲经济时代的哪些条件,进一步发展休闲经济还有哪些障碍。

【材料一】

  有关研究表明,人均GDP达到2000美元时,就会产生休闲旅游需求。2007年,我国人均GDP为2280美元,全年旅游总人数达到17.83亿人次,全国旅游业总收入达到1.09万亿人民币。2010年我国人均GDP为4361美元,全年旅游人数达到21亿人次,全国旅游总收入达到1.57万亿人民币。可以说我国目前已跨入休闲经济时代的门槛。

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  据《2010-2011年中国休闲发展报告》中对北京居民休假状况的调查数据显示,仅有66.90%的人曾享受过带薪休假,17.85%的人没有固定双休日。在当前激烈的竞争环境下,不少单位对职工带薪休假态度不够积极。

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