問題詳情
1.Human beings are moving into_______ with the development of cloning and genetic engineering. We are not sure of what effects these scientific advances have on us.
(A) well-trodden path
(B) uncharted waters
(C) familiar ground
(D) square one
參考答案
答案：B
難度：適中0.466667
統計：A(12),B(21),C(5),D(0),E(0)