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例1.医生在给病人检查心、肺部疾病时,都要用听诊器进行“听诊”,其作用是(答案:减少声音的分散,增大声音的响度) 分析:“听诊”是医生用听诊器,对病人的心、肺部,
Example 1. When a doctor examines patients for heart and lung diseases, they must use stethoscopes for auscultation. Their role is (Answer: reduce the dispersion of sound and increase the loudness of sound). Analysis: “Auscultation” is a stethoscope for doctors. For the patient’s heart and lungs,