When coal, the______of plants, is burnt, chemical energy is changed into heat en

游客2025-03-20 28

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"残余，遗迹"；remainder"剩余物，余数"；trace"痕迹，踪迹"；rem—nant"余下的部分"。句意为："当煤——植物的遗体一一燃烧时，化学能使之转换为热能。"

转载请注明原文地址:https://www.tihaiku.com/zcyy/4004951.html

相关试题推荐

随机试题

最新回复(0)

Asadefenseagainstair-pollutiondamage,manyplantsandanimals______asubst