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
書單：沒有書單，新增

用户評論

【要(ง •_•)ง 上榜】評論

After several decade☆ ☆☆☆☆☆☆ ☆☆...

【jeff】評論

（A）掌握 (B) ★★ (☆) ★★ (☆) ...