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陕西自考网> 试题题库列表页> Task 221. In the twentieth century, soot          22. If snow and ice covered areas begin melting,           23. A soot forcing is unusually effective, which          24. Hansen cautioned that greenhouse gases          25. Warming in the Northern Hemisphere was large in at middle and high latitudes.           A. produces much more global warming than a carbon-dioxide forcing of the same magnitudeB. contributed to 25 percent of observed global warmingC. winter and springD. the warming effects increaseE. still surpass soot in warming the world's climate during the last centuryF. can be seen mostly in the Northern Hemisphere

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卷面总分:100分     试卷年份:2023.04    是否有答案:    作答时间: 120分钟   

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Task 2

21. In the twentieth century, soot          

22. If snow and ice covered areas begin melting,           

23. A soot forcing is unusually effective, which          

24. Hansen cautioned that greenhouse gases          

25. Warming in the Northern Hemisphere was large in at middle and high latitudes.           

A. produces much more global warming than a carbon-dioxide forcing of the same magnitude

B. contributed to 25 percent of observed global warming

C. winter and spring

D. the warming effects increase

E. still surpass soot in warming the world's climate during the last century

F. can be seen mostly in the Northern Hemisphere


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The Arctic and Antarctica are no man's lands because of their killing coldness.


  • A、True


  • B、False


  • C、Not Given


Task 1

16.Paragraph       ①      

17.Paragraph      ③        

18.Paragraph      ④    

19.Paragraph      ⑥                

20.Paragraph      ⑦     

A. Soot's Role in Climate Changes Above Oceans and Land

B. Observations of Warming in the Northern Hemisphere

C. Explanation of Increased Warming Effect Caused by Soot

D. Black Soot in Snow and Icy Areas Leading to Climate Change

E. Black Soot Contributing to Global Warming

F. Greenhouse Gases as the Main Factor of Global Warming


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Main content:

1) congratulations;

2) the differences between college life and high school life;

3) your suggestions on a good college life.


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