He felt the pain again when the effect of the drug_________.A、wore onB、wore dow

游客2023-12-30  16

问题 He felt the pain again when the effect of the drug_________.

选项 A、wore on
B、wore down
C、wore out
D、wore off

答案 D

解析 句意:当药效变弱时,他再次感到疼痛。wear on意为“(指时间)过去”;wear down意为“使意志薄弱”;wear out意为“(使事物)用坏,耗尽,(使人)筋疲力尽”;wear off“(使某事物)逐渐消失或除去”。
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