2. 外语
  3. By giving him electrical shock treatment, the doctor has_____a partial cure of his short sightedness.

By giving him electrical shock treatment, the doctor has_____a partial cure of his short sightedness.

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问题 By giving him electrical shock treatment, the doctor has_____a partial cure of his short sightedness.
选项 A、affected
B、effected
C、afforded
D、rendered
答案B
解析 动词辨析。effect“实现、达到……的目的”，如：The new minister hopes to effect changes in thegovemment’s policy．这位新部长希望改变政府的政策。affect“影响”，如：Smoking affects health．吸烟影响健康。afford“负担得起”，如：I can’t afford three weeks away from work．我无法丢下工作三星期。render：present，ofrer，“呈递、提供”。
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