2. 外语
  3. In about 45 years, temperatures on Earth will be hotter than at anytime during the past one million years, says the U.S.【B1】____

In about 45 years, temperatures on Earth will be hotter than at anytime during the past one million years, says the U.S.【B1】____

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问题      In about 45 years, temperatures on Earth will be hotter than at anytime during the past one million years, says the U.S.【B1】______ top climatologist in a new report【B2】______ today.
    According to the report, published in the【B3】______ of the National Academy of Sciences, the planet is just two degrees shy of an【B4】______ temperature of 59 degrees Fahrenheit, which is what they【B5】______ the temperature was about a million years ago.
    NASA’s James Hansen, along with【B6】______ from the University of California and Columbia University, are for the first time, marking a【B7】______ signaling the approach of temperatures that humans have never 【B8】______ .
    "Humans are now in control of the Earth’s climate, for better or worse," Hansen says.
   【B9】______ .
    What that temperature change means is that by mid-century, the world will experience even more record heat waves, wildfires, more intense storms and flooding. In other parts of the world,【B10】______ .
    Hansen stresses we can’t wait that long to cut greenhouse gas pollution, because of the decades it takes for the climate system to respond to changes.【B11】______ .
【B10】
选项
答案the increase may worsen drought conditions as more mountain glaciers and snow packs vanish，no longer sending water to the valleys below
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