我国大气污染物排放标准根据环境功能区域的不同,分别制定不同级别的污染物排放限值。对于

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问题:

我国大气污染物排放标准根据环境功能区域的不同,分别制定不同级别的污染物排放限值。对于新建的污染源的分级为( )级。

A.一 二 三

B.二 三

C.一 二

D.一

考点:环境影响评价工程师环境影响评价技术导则与标准环境影响评价技术导则与标准
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提前晋衔适应于哪些士兵和军官(),士官能不能提前晋衔(),能否降衔()。

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阅读理解。

     Many years ago, when I was fresh out of school and working in Denver, I was driving to my parents'

home in Missouri for Christmas. I stopped at a gas station (加油站) about 50 miles from Oklahoma City,

where I was planning to stop and visit a friend. While I was standing in line at the cash register (收款台),

I said hello to an older couple who were also paying for gas.

     I took off, but had gone only a few miles when black smoke poured from the back of my car. I stopped

and wondered what I should do. A car pulled up behind me. It was the couple I had spoken to at the gas

station. They said they would take me to my friend's. We chatted on the way into the city, and when I got

out of the car, the husband gave me his business card.

     I wrote him and his wife a thank-you note for helping me. Soon afterward, I received a Christmas present

from them. Their note that came with it said that helping me had made their holidays meaningful.

     Years later, I drove to a meeting in a nearby town in the morning. In late afternoon I returned to my car

and found that I'd left the lights on all day, and the battery (电池) was dead. Then I noticed that the Friendly

Ford dealership-a shop selling cars-was right next door. I walked over and found two salesmen in the

showroom.

     "Just how friendly is Friendly Ford?" I asked and explained my trouble. They quickly drove a pickup truck

to my car and started it. They would accept no payment, so when I got home, I wrote them a note to say

thanks. I received a letter back from one of the salesmen. No one had ever taken the time to write him and

say thank you, and it meant a lot, he said.

     "Thank you"-two powerful words. They're easy to say and mean so much.

1. The author planned to stop at Oklahoma City _____.

A. to visit a friend

B. to see his parents

C. to pay or the cash register

D. to have more gas for his car

2. What happened when the author found smoke coming out of his car?

A. He had it pulled back to the gas station.

B. The couple sent him a business card.

C. The couple offered to help him.

D. He called his friend for help.

3. The battery of the author's car was dead because _____.

A. something went wrong with the lights

B. the meeting lasted a whole day

C. he forgot to turn off the lights

D. he drove too long a distance

4. By telling his own experiences, the author tries to show _____.

A. how to write a thank-you letter

B. how to deal with car problems

C. the kind-heartedness of older people

D. the importance of expressing thanks

题型:单项选择题

平均固定成本(AFC)

题型:单项选择题

发现原料油缓冲罐液位下降,应()。

A.了解原料油性质

B.检查液位控制阀开度输出信号

C.检查界区进料流量

D.检查液位控制阀实际开度

题型:单项选择题

以分子筛为催化剂时,在高于()℃的温度条件下,甲醇或二甲醚很容易完全转化。

A、200

B、300

C、400

D、500

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