题目内容:
WhatistherelationshipbetweenAlzheimer’sanddementia?
A.DementiaisoneofthesignsofAlzheimer’s B.Alzheimer’sisoneofthecausesofdementia
C.Theytwocompletelydifferentdiseases
D.Theyaresimilardefectsofthehumanbrain
参考答案:
答案解析: