英语练习1
题目内容

Even those most __infections of all, those caused by viruses^-formerlydismissed as untreatable because viruses disappeared into the inner labyrinths ofthe living cells, merging into the very genomes__are now becoming to earlytreatments.(  )。

2021-11-23

A.refractory …amenable

B.malignant …indifferent

C.problematic … immune

D.benign … resistant

E.mysterious …inaccessible

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