智课网TOEFL备考资料托福阅读备考习题（4） 奉上 托福 阅读挑战练习，希望大家好好做 托福阅读 练习。 【Introduction】 加拿大一项新研究发现，患二型糖尿病的病人，若能同时做有氧及重量训练运动，将可显着地降低血糖。 【Section One】Article Its no secret that exercise is key to controlling type 2 diabetes and many doctors already urge their diabetic patients to get active. But its a vague directive: How much exercise is enough? How often? And what kind? The simple answer is that any is be
