2. 外语
  3. Many people nowadays have muscular problems in the neck, the shoulders and the back

Many people nowadays have muscular problems in the neck, the shoulders and the back

admin2010-05-09  50
问题 Many people nowadays have muscular problems in the neck, the shoulders and the back
选项
答案mainly due to/because of stress and tension in their work
解析 本题考查原因状语。分析句子可以发现句子主干完整，故填入部分应该为非谓语，用 due to或because of。
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大学英语六级

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