甲苯和二甲苯主要毒性表现A.消化系统毒性 B.内分泌毒性 C.皮肤毒性 D.肾毒性

题型:单项选择题

问题:

甲苯和二甲苯主要毒性表现

A.消化系统毒性

B.内分泌毒性

C.皮肤毒性

D.肾毒性

E.中枢神经系统毒性

考点:公卫执业医师公卫执业医师81
题型:单项选择题

某市是以省域城镇体系规划为依据拟规划发展人口规模为25万左右的一座新城市。图示为新城总体规划方案,经专家评审基本同意方案的框架,但对部分工业用地、部分居住用地以及垃圾填埋场用地等方面提出了应予改进的意见。

试具体分析这些方面的主要问题(提示:方案中其他不足之处不评论)

 

某新城总体规划方案

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He’d arrived20 minutesearly______I can have time for a cup of tea.

A.as soon as

B.as a result

C.in case

D.so that

题型:单项选择题
I'm from the South Bronx. At 7, my neighborhood was the beginning and end of my universe. It was a small town to me. Everyone knew each other, so if you got into trouble in school, chances are your mom knew about it before you got home. I felt watched over and safe.
But just before I turned 8, things began to change. I watched two buildings on my block burn down. I remember seeing my neighbor Pito go up and down the fire escape to get people out. Where were the firemen? Where was the truck? Somebody must have called them.
That same summer, after serving two tours in Vietnam, my brother was killed in the South Bronx. He was shot above the left eye and died instantly.  
People who could moved out of the neighborhood, and all I wanted to do was get out, too. I used education to get away from there and got good at avoiding the topic of where I was from. To be from the South Bronx meant that you were not a good person. It felt like a stain.
After college, I didn't want to come back to the South Bronx, but in order to afford graduate school, I had to. I was almost 30 and could only afford to live at my parents' home. It felt like a defeat, and I hated it.
At the same time, the city was planning a huge waste facility here, and no one seemed to care — including many of us who lived here. They were like, "Well, it's a poor community; what's the difference?"
I was very angry. It drove me to act. It moved my spirit in a way that I didn't know was possible. And it changed my beliefs — it changed the way I felt about myself and my community. I worked hard with others who felt the same way, and together, we defeated the plan.
After that, I realized it's just as important to fight for something as it is to fight against something. So we dreamed up a new park on the site of an illegal waste dump — and after many community clean-ups, along with $3 million from the city, we have one. And it's a glory. It was the seed from which many new plans for our community have grown.
Today, the South Bronx is no longer a stain; it's a badge(象征) of honor for me. I believe that where I'm from helps me to really see the world. Today, when I say I'm from the South Bronx, I stand up straight. This is home, and it always will be.
41. Paragraphs 2 and 3 make the readers believe ____________.
A. the author felt watched over and safe
B. he author’s brother was a bad man
C. the author’s neighbor Pito was braver than a fireman
D. the author felt his hometown was not a safe place to live in
42. The author went back to the South Bronx after college because ____________.
A. he couldn’t afford to live without his parents’ help
B. he loved his hometown very much
C. he was defeated in studies at college
D. he almost reached the age of 30
43. The underlined sentences(Paragraph 2) imply that ____________.
A. the author wondered where the firemen and the truck were
B. the author wanted someone to call the firemen
C. the firemen didn’t come to help although called
D. the firemen didn’t find a place to park the truck
44. What does the author want to convey in the passage?
A. Great changes have taken place in the South Bronx.
B. The South Bronx is a beautiful place.  
C. You can make a difference to your hometown if you act.
D. Everyone should love his hometown.
题型:单项选择题

南京甲单位与北京乙建筑公司欲签订一份建设工程施工合同,甲公司签字盖章后邮寄给乙公司签字盖章。该合同成立的时间应为( )。

A.甲、乙公司就合同内容达成合意时
B.乙公司收到甲公司签字盖章的合同时
C.甲公司签字盖章时
D.乙公司签字盖章时

题型:单项选择题

软基加固工程测量放样的工作包括()。

A、各区边线放样

B、打板边线放样

C、压膜沟边线放样

D、沉降盘位置放样

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