Ⅰ.阅读理解
A
(2017·东北三省四市一模)The following simple exercise routine works as well as prescription medication (药物治疗) without the side effects.
A jog a day could keep your headaches at bay: Regular cardio workouts (有氧锻炼) may prevent migraines (偏头痛)，a growing body of research suggests.
Migraine patients had fewer headaches after doing 40minute cycling workouts three times a week for three months, according to a Swedish study.
The exercise routine worked just as well as one of the top migrainepreventing drugs—topamirate but without the side effects of depression and tremors (刺激)．
