2. 外语
  3. The passage is mainly about why and how to plant more trees to make universities become green. The Lewis Center at Oberlin is a

The passage is mainly about why and how to plant more trees to make universities become green. The Lewis Center at Oberlin is a

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问题 The passage is mainly about why and how to plant more trees to make universities become green.
The Lewis Center at Oberlin is an energy-efficient building and the major energy resource of it is from
选项
答案solar array
解析 由题干中的 Lewis Center定位到第四段第五句The Lewis Center at Oberlin，opened in 2000，was one of the firsts．It’s powered entirely by solar arrays。此处需要填入名词性成分作from的宾语。本题考查Lewis Center中所使用的能量的来源，通过原文可知，其主要是通过太阳光线来提供能量，题干中energy source和原文powered entirely by相对应，故此处答案为 solar array。
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