水俣事件的主要污染物是(),富山事件的主要污染物是()。

题型:填空题

问题:

水俣事件的主要污染物是(),富山事件的主要污染物是()。

考点:环境科学技术及资源科学技术环境科学概论环境科学概论题库
题型:填空题

阅读理解。

     Many people like to watch TV. Watching TV is one of the most important activities of the day. TV

 brings the outside closer to people's homes. Some people say the world is smaller than before because

of  TV.

     What's going on in the other countries? How do people live in places far away? Is there a good sports

  game somewhere?

     If you want to answer these and many other questions, just turn on the TV and watch it. You can see a

  lot and learn a lot. Of  course, people can also learn through (通过)  reading or listening to the radio.

 With TV, however, they can learn better and more easily. Why? Because they can hear and watch.

     TV helps us a lot. TV often gives us new ideas. We lean newer and better ways of doing things.

l. Some people say the world is smaller than before because _____.  

    A. TV makes the earth smaller and smaller

    B. all people like watching TV

    C. watching TV is one of the most important activities of the day

    D. TV brings the outside world closer to people

2. We can _____ when we watch TV.

    A. go to live in the other countries

    B. answer no questions

    C. get a lot of  information

    D. ask TV some questions

3.  People learn better through TV sets than through the radio because_____.   

    A. TV sets are bigger than radios

    B. people can hear and they can watch, too

    C. if people don't have a TV, they can not live happily

    D. it's easier to turn on TV than to turn on  the radio

4. TV can_____.   

    A. teach us a lot of things

    B. learn a lot of things

    C. give us what we want

    D. help us do our homework  

5. This article (文章) tells us_____.

    A. it's good to watch TV

    B. not to watch TV any more

    C. students should not watch TV at any time

    D. to stop reading to watch TV

题型:填空题

在TCP/IP网络中,为各种公共服务保留的端口号范围是()。

A.1~255 

B.1~1023 

C.1~1024 

D.1~65535

题型:填空题

当冠状动脉粥样硬化后,一旦血供急剧减少或中断,使心肌严重而持久地急性缺血达多长时间即发生心肌梗死()

A.120分钟

B.30分钟

C.90分钟

D.100分钟

E.60分钟

题型:填空题

促进血小板生成的细胞因子是()

A.EPO

B.G-CSF

C.TNF

D.TPO

E.IFN

题型:填空题

下列诗词作品中,抒写了亡国之痛的是()

.《早雁》

B.《虞美人》(春花秋月何时了)

C.《秋兴八首》(其一)

D.《鹧鸪天》(重过阊门万事非)

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