2. 外语
  3. When I try to understand______that prevents so many Americans from being as happy as one might expect, it seems to me that there

When I try to understand______that prevents so many Americans from being as happy as one might expect, it seems to me that there

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问题 When I try to understand______that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
选项 A、what it does
B、what it is
C、why it does
D、why it is
答案B
解析 本题考查名词性从句和强调句。what引导的名词性从句作动词understand的宾语，宾语从句是一个it is…that的强调句型，that句中的prevents缺少主语，故选B。
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本试题收录于： C类竞赛（非英语专业本科）题库大学生英语竞赛（NECCS）分类
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C类竞赛（非英语专业本科）

大学生英语竞赛（NECCS）

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