Paragraph Six The single largest cause of sick leave in the UK is not the common cold or flu, but back pain. Back pain affects one in three British adults, and is notoriously difficult to treat. Traditionally, doctors in the UK have advised back pain sufferers to do stretching exercises and take painkillers when necessary. But now a new solution: acupuncture has been officially endorsed by the NHS. 41. B_____ and its treatments.
【正确答案】：Backache
【题目解析】：本段主要讲的是后背疼很难治愈，在英国三分之一的成年人都饱受后背疼的困扰。以前医生会建议患者做伸展运动，必要时吃止疼片。而如今有了新的方法：针灸。因此本段讲的是后背疼极其治疗方法。我们填Backache。
