A.根治腫瘤防止轉(zhuǎn)移 B.提高治療后的生活質(zhì)量 C.根治腫瘤避免復(fù)發(fā) D.提高生存率 E.A+B+D
A.appeared to be noticedB.appeared to have noticedC.appear to noticeD.appeared to notice