《室内装饰装修材料地毯、地毯衬垫及地毯胶粘剂中有害物质限量》(GB18587—200

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问题:

《室内装饰装修材料地毯、地毯衬垫及地毯胶粘剂中有害物质限量》(GB18587—2001)引用ISO16000—6∶2004和ISO16017—1∶2000方法测定TVOC。简述制作TVOC定量校正曲线的注意事项。

考点:环境监测上岗考试地毯衬垫及地毯胶粘剂中有害物质地毯衬垫及地毯胶粘剂中有害物质题库
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下列应用转基因生产的是( )

A.英国科学家培育的克隆羊

B.美国科学家培育的超级鼠

C.张丽珠教授缔造的试管婴儿

D.袁隆平培育的杂交水稻

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I usually sit _____ the classroom, so that I can hear the teacher who likes to stand _____ the class clearly. [ ]

A. in front of; in the front of  

B. in the front of; in front of  

C. in front of; in front of  

D. in the front of; in the front of

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请阅读下列短文,从每题 所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该选项的标号涂黑。

A

One morning more than thirty years ago. I entered the Track Kitehen, a reandeant where everyone from the humblest (卑微的) to the most powerful came for breakfast. I noticed and empty chair next to an elderly. Unshaven man, who looked somewhat disheveled. He was wearing a worn-out hat and was alone, I asked if I might join him. He agreed quietly and I sat down to have my breakfast.

We cautiously began a conversation and spoke about a wide range of things. We never introduced ourselves. I was concemed that he might are no money and not be able to afford something to eat. So as I rose to go back to the counter and buy a second cup of coffee , I asked.

“ May I get you something ? ”

“ A coffee would he nice . ”

Then I bought him a cup of coffee. We talked more, and he accepted another cup of coffee. Finally, I rose to leave, wished him well, and beaded for the exit. At the door I met one of my friends. He asked.

“ How did yountre to know Mr.Galbreath? ”

“ XXX ? ”

“ The man you were sitting with. He is chairman of the Board of Churchill Downs. ”

I could hardly believe it . I was buying, offering a free breakfast, and feeling pity for one of the world’s richest and most powerful men ! ”

My few minutes with Mr. Galbreath changed my life. Now I try to treat everyone with respect .no matter who I think they are, and to meet another human being with kindness and XXX.

56.wint ar underhand word “dishevcled mean?

A.ybtendly

B.unndy

C.centle

D.kned

57.The author beght coffce for the old man because ______.

A.he wought the old man was poor

B.he wanted to start a conserstion

C.he intended to how his politeness

D.he would like to thank the old man

58.How did the auther probably feel after he talked with his friend?

A.Proud

B.Pitiful

C.Surpricd

D.Rectful

59.What is the inegge mainly expressed in the story?

A.we should learn to he generous

B.It is honorable to help those in need.

C.People in high postans are not like what we expect

D.We should avoid judging people by their appearances.

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智能建筑中,机电部分可以形象地比作于人的().

A.衣着

B.器官

C.躯体

D.神经系统

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汽缸的热膨胀值主要取决于法兰各段的平均温升。

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