Doctors have to be very careful when making a ___.A.treatmentB.symptomC.diagnosisD.patient

Doctors have to be very careful when making a ___.

A.treatment
B.symptom
C.diagnosis
D.patient

参考解析

解析:本题考查词语含义,题目意为“医生在作出诊断时要格外小心。”空格前有a,应填可数名词单数形式。A项意为“治疗,诊治”。B项意为“症状,征兆”。C项意为“诊断”。D项意为“病人,患者”,从语意上排除B和D。A项当作“处理、治疗、对待”时,为不可数名词;而作为“疗法,处理方法”时,为可数名词。
  

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