問題詳情
【題組】23.It has been found that vitamin E ________.
(A) should be taken by patients regularly and persistently
(B) can effectively reduce the recurrence of heart disease
(C) has a preventive but not curative effect on heart disease
(D) should be given to patients with heart disease as early as possible
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)