42.What contributes to the observation of the growing number of Alzheimer＇s disease nowadays?
(A) It has become more contagious today.
(B) Americans are especially vulnerable to the disease.
(C) Poorer people are more likely to develop Alzheimer＇s disease.
(D) People have a longer lifespan.

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統計： A(13), B(14), C(9), D(342), E(0) #1280315

詳解 (共 1 筆)

#4820677

   The number of those suffering from Alzheimer＇s disease increases because people are living longer. As many as a quarter of those aged 80 years or older are afflicted with some degree of this life-robbing disease. Four million Americans suffer from this disease. 

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