根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项。 TUVALU, a tiny country in the Pacific Ocean, has asked for help as it fears it -高中英语-n多题

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根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项。

     TUVALU, a tiny country in the Pacific Ocean, has asked for help as it fears it will be swallowed
up by the sea.
    Storms and huge waves are a constant threat and none of Tuvalu's nine little islands is more than
five meters above sea leavel, Salt water is already entering the country's drinking water supply, as wel
l as damaging plants that produce fruit and vegetable. 1___________
     2____ __. Venice, a historic city in Italy best known for its canals, has sunk about 24 cm over the
past 100 years.   Experts say that it will have sunk another 20-50cm by 2050.          A century ago,
St. Mark's Square, the lowest point in the city, flooded about nine times a year, Nowadays, it happens
more that 100 times. While Venice is slowly sinking into the mud on which it stands, Tuvalu's rising sea
level is caused by global warming.
     The average global temperature has increased by almost 0.5 centigrade degrees over the past century; scientists expect it to rise by extra 1-3 degrees over the next 100 years.
     Warmer weather makes glaciers(冰川)melt, adding more water to the ocean.The warmer temperatures also make water expand, so it takes up more space, causing the sea level to rise. The sea level has risen    about 10－25 cm in the last 100 years.
    3______. Through burning coal, oil and gas, people have been increasing the greenhouse gases in the
atmosphere, such as CO2. This adds to the power of the greenhouse effect, making the planet even warmer.Many scientists believe that, if the warming is not stopped, there will be huge climate changes. 4______5_______, the sea will swallow up millions of homes and the world will be flooded with "climate refugees" looking for somewhere to live.

A. The main cause of global warming is human pollution
B. Should this come true
C. Without urgent help, the country's days are numbered.
D. But Tuvalu is not the first place to face sinking into the sea
E. The sea level could rise by one meter this century
F. people face a lot of pollution
G. much has been done about our planet

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根据n多题专家分析，试题“根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项。 TUVALU, a tiny country in the Pacific Ocean, has asked for help as it fears it …”主要考查了你对【健康环保类阅读】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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