If you sit in an office all day long and rarely , you’re likely to suffer from neck andbac

If you sit in an office all day long and rarely , you’re likely to suffer from neck and
back pains.
A. cut in
B. work out
C. break down
D. stay up

A. cut in(答案→)B. work outC. break downD. stay up解析：考查词组：A. cut in插话，B. work out制定出，锻炼，结果是，C. break down崩溃，抛锚，垮掉，D. stay up熬夜，句意：如果你整天呆在办公室，很少锻炼，你可能得颈部和背部的疼痛。选B。

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