2. 外语
  3. A. clatter B. known C. puzzle D. din E. attainable F. referred G. chatter H. reachable I. ensures J. partnering K. affect L. vit

A. clatter B. known C. puzzle D. din E. attainable F. referred G. chatter H. reachable I. ensures J. partnering K. affect L. vit

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问题 A. clatter B. known C. puzzle D. din E. attainable
F. referred G. chatter H. reachable I. ensures J. partnering
K. affect L. vital M. effect N. heights  O. system
   Deep in the pristine Amazon jungle, Brazil’s newest skyscraper has a mission unlike any other: to save the world. The white and orange metal frame called Amazon Tall Tower Observatory, or ATTO, is a bold new tool in the push to understand climate change and the【C1】______ role of rainforests.
   At 325 meters, the ATTO is a meter higher than the Eiffel Tower and a good bit taller than London’s loftiest building, the Shard.
   But instead of the typical city【C2】______ of honking horns and engines, the loudest noise around the skinny structure is the【C3】______ of cicadas and tropical birds.
   Built in the Uatuma nature reserve, 350 kilometers from the city of Manaus and【C4】______ only after hours of rough roads and a boat ride, the ATTO is seriously remote — and for the climate scientists that’s the point.
   "Being far from towns and man’s influence【C5】______ we can collect relatively pure data," said Meinrat Andrae, director of the Max Planck Institute of Chemistry, which is【C6】______ with Brazilian research agency Inpa on the German-Brazilian funded project.
   The Amazon is seen as a big piece of the global warming【C7】______, since trees are a key weapon in safely capturing destructive carbon gasses. And at 3,000 kilometers wide, the Amazon is the greatest of all rainforests,【C8】______ to many as the lungs of the world.
   "Thanks to this tower we’ll be able to better understand the role of the Amazon, its【C9】______ on the local climate and also on the global climate," said Antonio Ocimar Manzi, one of the Brazilian scientists.
   Rising far above even the mightiest Amazonian trees, the tower is a good place to swap the suffocating jungle heat for fresh air, as long as you don’t mind【C10】______. Wearing a safety harness is compulsory as journalists are led 150 meters up.
【C8】
选项
答案B
解析 (known)依据下文中对亚马孙雨林的比喻(the lungs of the world)，尤其是与介词as的搭配，应选择known。be known as表示“公认为”，例如：She was known to many as a hard-working，modest,and honest politician．如果使用referred，就需要说be referred to by many as…，表示“被许多人称为……”。
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