The pronoun "it" in paragraph 2 refers to__________. A. genetic engineering B. an accomplishment C. hereditary mechanism D. a reality
Giải thích
A
Từ “it” ở đoạn 2 ám chỉ đến
A. việc cấy gen
B. một thành tựu
C. cơ chế di truyền
D. tính chân thật/ sự thật
Dẫn chứng: As a result of recent discoveries concerning hereditary mechanisms, genetic engineering, by which human traits are made to order, may soon be a reality. As desirable as it_may seem to be, such an accomplishment would entail many value judgments.
=>Chọn A