There is no quick way of finding a cure for any disease; it is a process of _______.[ ]A. sooner or

题目简介

There is no quick way of finding a cure for any disease; it is a process of _______.[ ]A. sooner or

题目详情

There is no quick way of finding a cure for any disease; it is a process of _______.
[     ]
A. sooner or later            
B. now and then    
C. every other day          
D. trial and error
题型:单选题难度:偏易来源:广西壮族自治区月考题

答案

D

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