50. According to the passage, which of the following is true?
(A)Most office workers now use standing desks for work.
(B)People do not smoke as much as they did before.
(C)The biggest risk factor of cancer is sitting, not smoking.
(D)Extended sitting drastically increases the risk of heart failure.

參考答案

答案:D
難度:簡單0.719626
統計:A(4),B(10),C(12),D(77),E(0)

內容推薦

內容推薦