2. 财务会计
  3. Potential subjects should be informed of

Potential subjects should be informed of

天天题库2019-12-17  40
问题 Potential subjects should be informed of the research and __________an opportunity to decide if they want to participate.
选项 A．gaveB．givingC．giveD．be given
答案D
解析考查动词的语态。后半句的主语是代词they，谓语动词是9ive，根据句意应是“他们被提供机会决定是否要参与研究”。故用被动语态。
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