問題詳情
12. Bygren and other scientists have now amassed historical evidence suggesting that powerful environmental conditions cansomehow leave an _____ on the genetic material in eggs and sperm.
(A) ink
(B) mileage
(C) showcase
(D) imprint
(E) imagery
參考答案
答案：D
難度：適中0.428571
統計：A(1),B(0),C(1),D(3),E(1)