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First aid is science of giving medical care to person before a doctor can be fou

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First aid is science of giving medical care to person before a doctor can be fou

First aid is ________ science of giving ________ medical care to ________ person before a doctor can be found.

A.the … / … a

B.the … the … a

C.A … / … the

D./ … a … the

试题答案

A

这句句子的意思是“急救是指在找到医生之前对一个病人进行医疗救治的科学。”这里的first aid(急救)和medical care(保健医疗)均表示泛指,无需冠词,而具体指哪一门科学,后面的句子是对科学的解释,因此是特指,我们加定冠词the,而a person表示“一个人”。