分析一下英语里的主语状语从句宾语什么的Mostpatientswhohaveahaematemesisareinnodoubtthatthebloodwasvomited.However,blooddiscoveredinthemouthmayhaveoriginatedfromthepostnasalspaceorlowerrespiratorytract

分析一下英语里的主语 状语 从句 宾语什么的
Most patients who have a haematemesis are in no doubt that the blood was vomited.However,blood discovered in the mouth may have originated from the postnasal space or lower respiratory tract.This can cause confusion unless time is taken to elicit an accurate history.The haematemesis may consist either of fresh blood mixed with gastric fluid or changed blood in the form of “coffee grounds”.All such patients should be referred to hospital for admission because haematemesis indicates a recent haemorrhage.

参考答案


Most patients who have a haematemesis are in no doubt that the blood was vomited
most patients是主语
who have a haematemesis是定从
that the blood was vomited是宾从

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