2. 外语
  3. In an attempt to______electricity, the building’s owners are cutting down on their central heating.

In an attempt to______electricity, the building’s owners are cutting down on their central heating.

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问题 In an attempt to______electricity, the building’s owners are cutting down on their central heating.
选项 A、reserve
B、deserve
C、conserve
D、preserve
答案C
解析 conserve表示“节省，节约使用”，如：They made themselves wait quietly，conserving their strength．他们让自己安静地等着，以节省体力。该词还可表示“保护，保存”，如：We must conserve our forests for our future generations．我们必须为子孙后代保护森林资源。
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