Due to the widespread ______ of this medical technology, more diseases can be discovered and treated at an early stage.A.approvalB.applicationC.appointmentD.appreciation
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B解析试题分析：考查单词意思，approval意思“批准”，application意思“应用”，appointment意思“约会”， appreciation意思“欣赏”，句子意思“由于医疗技术的广泛应用，越来越多的疾病可以早期发现并治疗”
考点：考查单词意思
点评：单词是个常考内容，只有知道它们的意思，才能做出正确选择，要求学生平时多记多积累单词