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题库 / OG2015V-SC-34
Lacking information about energy use, people tend to overestimate the amount of energy used by equipment, such as lights, that are visible and must be turned on and off and underestimate that used by unobtrusive equipment, such as water heaters.
equipment, such as lights, that are visible and must be turned on and off and underestimate that
equipment, such as lights, that are visible and must be turned on and off and underestimate it when
equipment, such as lights, that is visible and must be turned on and off and underestimate it when
visible equipment, such as lights, that must be turned on and off and underestimate that
visible equipment, such as lights, that must be turned on and off and underestimate it when
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A/B，that修饰equipment，是单数，不能用are
A/D的that指代the amount of energy，that/where/who等可以指代一个特定的名词也可以指代复合名词整体。
B/C/E的it指代the amount of energy used by visible equipment，错误。it/they完整指代整个复合名词。
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