We ought to______ detailed investigations and studies before we draw any conclus

游客2024-02-21  18

问题 We ought to______ detailed investigations and studies before we draw any conclusions.

选项 A、administrate
B、process
C、undertake
D、duplicate

答案 C

解析 动词辨析 administrate“管理,支配”;process“加工,处理”;undertake“承担,担任,许诺”; duplicate“复写,复制,使加倍”。
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