問題詳情
2 After several decades caught in scientific backwaters, gene therapy has entered a golden age, asscientists have recently _____ its components and applications.
(A) mastered
(B) restored
(C) reversed
(D) spawned
參考答案
答案：A
難度：簡單0.773
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用户評論
【用戶】要(ง •_•)ง 上榜
【年級】大三上
【評論內容】After several decade☆ ☆☆☆☆☆☆ ☆☆...
【用戶】jeff
【年級】幼兒園下
【評論內容】（A）掌握 (B) ★★ (☆) ★★ (☆) ...