内容正文:
B2U2 课本复习(完成句子)
P16 You want to start _________(do) exercise? Congratulations! You have just taken your first step ________ a new and ___________(improve) you!
Understanding the benefits of exercise
Most people ___________ that regular exercise ___________________(对…有奇效) the body and mind—but what exactly are its health benefits? To start with, physical activity increases the ____________ of your heart and lungs. During exercise, your heart and lungs must work harder. This ___________ effort makes them grow stronger __________________(长期以往). It has also been ____________ that active people _________ __________(往往) have better _________ systems and are __________ lower risk of diseases. _____________(此外、而且), exercise is good for your mental health. __________ _________(锻炼) can help you reduce stress and ___________ __________(克服) negative feelings. Some studies even show that exercise improves certain brain functions, ___________(mean) you could actually exercise your way to _________(better) performance at school!
Planning your exercise routine
When you plan an exercise __________, the first thing ___________(consider) is what you expect to improve: heart and lung ____________, muscle ___________ or ____________(flexible). Aerobic activities, like jogging, swimming and skiing, develop your heart and lungs. Strength training, such as pull-ups and weightlifting, increases muscle strength and encourages bone development. Flexibility training, including gymnastics and tai chi, helps __________ your muscles and improve your body’s _________ _________ ____________(活动范围). These types of exercise all play a role in a healthy _____________. Above all, choose activities you enjoy because, in this way, you’re more likely to _________ _________(坚持) them.
Eating and drinking right
Like cars that run ___________ petrol, your body burns carbohydrates _________ energy. Foods like noodles, rice, fruit and vegetables give your body plenty of carbohydrates to __________ ___________