题目:What is the harm of excessive sitting?
A. People will get sleepy.
B. People will be exhausted.
C. It can take years off of life.
D. It can hurt the vertebral column.
答案:评论后可见此内容
推荐使用我们的公众号搜索题目,题目更全,检索更方便。支持语音、图片、文字等多种搜索方式。