2. 外语
  3. What is the one huge problem that we haven’t really solved? Scientists and environmentalists think that global warming can be _

What is the one huge problem that we haven’t really solved? Scientists and environmentalists think that global warming can be _

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问题 What is the one huge problem that we haven’t really solved?
Scientists and environmentalists think that global warming can be ______.
选项 A、continued
B、improved
C、controlled
D、reduced
答案B
解析 细节题。根据题干信息词Scientists and environmentalists定位到第三段首句Scientists and environmentalists think that even the worrisome fact of global warming can be ameliorated (改善)，即：科学家和环境学家认为全球变暖是可以改善的，故选B。
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