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9.BANGKOK-The tiny island nation of Tuvalu has promised to do its part for climate change by fueling its economy entirely from renewable sources by 2020.
The South Pacific nation of 12,000people is part of a movement of countries and cities committed to going climate neutral.Since February 2008,10nations have promised to reduce their emission(释放)of greenhouse gases as part of a goal of reaching zero emissions in the next decade.
None of these commitments alone is expected to make a significant difference in the fight to cut heat-trapping gases.But the moves can inspire bigger emitters(排放者)like the United States to take further steps to limit their carbon footprints.
Climate scientists have urged rich countries to reduce emissions from 2005levels by between 25percent and 40percent by 2020to avoid the worst effect of warming.For its parts,Tuvalu hopes to replace the fossil fuels that are imported by ship with solar energy and wind power soon.
Tuvalu already emits almost no greenhouse gases.But because of climate change,many South Pacific islands see worsening flooding.The country is just 10square miles in size,with most of its land less than a meter above sea level.
So far,Tuvalu has equipped a 40-kilowatt solar energy system with the help of Japan's Kansai Electric Power Co.and Tokyo Electric Power Company.The Tuvalu government is working to expand the $410,000project from 40to 60kilowatts,and will extend solar power to outer islands.
"We thank those countries who are helping Tuvalu reduce its carbon footprint,"Public Utilities and Industries Minister Kausea Natano said."And we look forward to the day when our nation offers an example to all-powered entirely by natural resources such as the sun and the wind."

53.What is the main energy source in Tuvalu at present?B
A.Solar energy
B.Imported fossil fuels
C.Wind powder
D.Local fossil fuels
54.For Tuvalu,the biggest trouble now is thatA.
A.it is under threat from rising sea level
B.it lacks enough natural resources
C.Climate change affects its economy
D.it lacks clean power equipment
55.What can we learn from the passage?C
A.It is impossible for Tuvalu to realize its goal.
B.The world will see zero emissions in ten years.
C.Tuvalu imports technology to reduce emissions.
D.Big countries haven't started to reduce emissions.
56.The best title for the passage might be"D".
A.Climate change threatens small island nations
B.island nations urge big countries to reduce emission
C.Countries unite to reduce greenhouse gases
D.An island nation will only use green power.

分析 本文主要讲述了图瓦卢岛国目前的能量主要来源于化石燃料的燃烧,从而导致了大量温室气体的排放,现在这个国家受到了海平面上升的威胁.为此,图瓦卢承诺要减少温室气体的排放,预计在十年里达到零排放.

解答 53.B理解推断题.根据第四段Tuvalu hopes to replace the fossil fuels that are imported by ship with solar energy and wind power soon.可知目前图瓦卢的能量主要来源于进口化石燃料.故选B.
54.A细节判断题.根据第五段But because of climate change,many South Pacific islands see worsening flooding.The country is just 10square miles in size,with most of its land less than a meter above sea level.可知图瓦卢现在最大的麻烦是受到海平面上升的威胁.故选A.
55.C细节理解题.根据倒数第二段可知图瓦卢在日本技术的帮助下来减少温室气体的排放.故选C.
56.D标题选择题.本文主要讲述了图瓦卢这个岛国承诺要减少温室气体的排放,并且在未来的十年里达到零排放.此外,这个国家期待着有一天,所有动力完全由自然资源,如太阳和风提供.故选D.

点评 本文考察学生的理解推断能力以及细心程度,只要抓住文章的关键词,采用寻读的方法查找细节,就能找到正确答案.

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