When coal, the______ of plants, is burnt, chemical energy is changed into heat energy.

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问题 When coal, the______ of plants, is burnt, chemical energy is changed into heat energy.

选项 A、remains
B、remainders
C、traces
D、remnants

答案A

解析 remains 表示“残余”、“遗迹”、“剩余物”,如:We found the remains of meal on the table.我们在桌上发现了剩下的饭菜。remainder 意为“剩余物”、“余数”,“其余(的人)”,如:I will go ahead with three of you,and the remainder can wait here.我将和你们三个向前走,剩下的人可以在这里等着。trace 意为”痕迹”、”踪迹”,如:They searched the building b
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