Standby power is consumption of energy by electrical appliances even when they a

游客2023-08-01 53

问题 Standby power is consumption of energy by electrical appliances even when they are plugged off. [br] If a refrigerator is too hot or too cold inside, it is consuming unnecessary electricity.

选项 A、Y
B、N
C、NG

答案 A

解析由a refrigerator和too hot or too cold可定位到第二个小标题下第一段第二句We may spend hours picking out paint for a dining room，yet be unaware that our refrigerators are running too hot or too cold和第三句That can cost money we don’t need to spend and consume electricity that does not need to be wasted.[精析] 指示代词指代处设题。本题考查冰箱耗能的问题。文中指出很多人无视冰箱过冷或过热的情况，但这种情况只能是费电又费钱。原文第四句中that指代前句中冰箱过冷或过热的情况。可知题干的说法与原文相符。

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