Due to the widespread of this medical technology, more diseases can be discovered and treated at an early stage.
A. presentation
B. application
C. qualification
D. appreciation
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A. presentation
(答案→)B. application
C. qualification
D. appreciation
解析：考查名词：A. presentation呈现B. application申请C. qualification资格， D. appreciation欣赏，句意：由于这种药物的广泛应用，更多的疾病可以在早期被发现被治疗。选B。