問題詳情

Passage #3    Around the turn of the 20th century, the German physician Alois Alzheimer (1864-1915) described adebilitating brain cell disease. This disease, later to bear his name, was both progressive and irreversible; that is,once the disease started, it slowly destroyed brain tissue and made its victims progressively unable to rememberdates or even recognize family members. In the worst cases, patients were little better than vegetables   The number of those suffering from Alzheimer＇s disease increases because people are living longer. Asmany 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.    A new study shows, however, that fish in the diet may prevent or at least slow down the onset of thisterrible disease. Those who eat fish may have a reduction in the risk of developing Alzheimer ｀s disease. Thestudy shows that fish contains a fatty acid called omega-3, closely associated with brain tissue health.
41.The word “progressive＂ means _______.
(A) becoming worse
(B) becoming easygoing step by step
(C) becoming spoiled off and on
(D) improving rapidly

參考答案

答案：A
難度：簡單0.722222
統計：A(13),B(2),C(1),D(2),E(0)

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