阿摩線上測驗
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
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統計： A(14), B(32), C(8), D(1), E(0) #535778
統計： A(14), B(32), C(8), D(1), E(0) #535778
