問題詳情

【題組】7. The word "it" in line 6 of this abstract refers to (3%)
(A) cytotoxic T cell
(B) mouse cancer cell
(C) deleting the PCSK9 gene
(D) PCSK9-neutralizing antibody

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增