27. For every inch you tilt your head forward, the pressure on your spine doubles. So if you’re look
問題詳情
27. For every inch you tilt your head forward, the pressure on your spine doubles. So if you’re looking at a smartphone in your lap, your neck is holding up which feels like 20 or 30 pounds. (A)forward (B)on (C) doubles (D)in (E)which