問題詳情

【題組】3. The doctors are developing a new   medical treatment  , which   target   the cancer cells without   damaging     healthy ones  .
(A)medical treatment
(B)target
(C)damaging
(D)healthy ones

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