問題詳情
【題組】24. According to the passage, what impacts have world events had on life expectancy?
(A) They have shortened life expectancy.
(B) They have lengthened life expectancy.
(C) They have made life expectancy rise smoothly.
(D) They have had no significant effect on life expectancy.
參考答案
答案：D
難度：困難0.309237
統計：A(19),B(85),C(55),D(77),E(0)