. Studies show that people are more to suffer from back problems if they always sit before comput——青夏教育精英家教网—

摘要：. Studies show that people are more to suffer from back problems if they always sit before computer screens for long hours. A. likely B. possible C. probable D. sure

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（陕西卷22）. Studies show that people are more to suffer from back problems if they always sit before computer screens for long hours.

A. likely B. possible C. probable D. sure

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