2. 外语
  3. Owing to its delicate design and advanced technology, Swiss Re Tower in London uses less energy than those traditional office bu

Owing to its delicate design and advanced technology, Swiss Re Tower in London uses less energy than those traditional office bu

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问题 Owing to its delicate design and advanced technology, Swiss Re Tower in London uses less energy than those traditional office buildings by______.
Green architecture could date back to______.
选项
答案the energy crisis of the 1970s
解析 根据题干中的green architecture可以定位到第二段Green architecture,...has its origins in the energy crisis of the 1970s...．[精析] 由该段可知：绿色建筑的来源要追溯到20世纪70年代的能源危机。题目中的could date back to是对 has its origins in the energy crisis of the l970s的同义转述，故答案为the energy crisis of the l970s。
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