改错：Intheofficeanelectricalengineerislookingthroughthein...

来源：语文精选馆 2.08W

改错：In the office an electrical engineer is looking through the instructions to know whether the heat system works.

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whether→how　句意：办公室里一名电气工程师正在浏览说明书为了弄明白供热系统是如何工作的。know后是一个宾语从句，连接词在从句中表示方式。根据句意可知，应将whether改为how。