专四专八考试

解析:One benefit the author mentions is

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【单选题】One benefit the author mentions is that the system ______


A.uses no electricity
B.has a fire-safety shutoff
C.docs not pollute the air in the house
D.requires less insulation in house walls


网考网参考答案:C
网考网解析:

本题询问该系统的优点。文中列举了五个优点,并有记号一一标出。与原文相比可 知,只有C项是属于优点之一的,原文为“Cleanliness—no combustion products, thus no chance of my heating system polluting the indoor air"。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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