英语作文作为一个九年级的学生,学习之余的体育锻炼非常重要.假如你是郑伟,你的美国笔友Jack询问你的体育锻炼情况.请根据

英语作文
作为一个九年级的学生,学习之余的体育锻炼非常重要.假如你是郑伟,你的美国笔友Jack询问你的体育锻炼情况.请根据以下提示,用英语写一篇80词左右的电子邮件给予回复.
提示内容：1运动能增强体质,减少疾病.2运动使大脑休息,学习效果更好.3通过体育锻炼我……,在今后我要……
要求：条理清楚,意思连贯,语句通顺,标点正确（开头结尾已给出,不计入总字数）
Dear Jack,
As a middle school studeng in Grede 9,it's necessary to do sports every day,such as doing exercises,playing basketball and running
Yours
Zheng Wei

It is reported that the health of young people in China, college students in particular, is not as good as is supposed to be. There are many reasons for this fact, but the main reason is that many people ignore the importance of physical exercises.
Why, then, are physical exercises so important to our health? First, physical exercises can improve blood circulation, speeding up the supply of nutrients and oxygen to every part of the body and the removal of waste from the blood through sweating and exhalation. Secondly, physical exercises can promote a healthy metabolism. It helps with the digestion and absorption of food, thus giving everyone a good appetite. Thirdly, physical exercise can help consume excessive fat in the body, preventing people from putting on too much weight, thus keeping them in good shape. Finally, after physical exercises we usually need a good rest and a sound sleep at night, refreshing us for the next day＇s work.
In conclusion, physical exercises not on[y keep us fit and strong, but also help us to be successful in our lives. It is, therefore, strongly suggested that young people spare some time to take an active part in various kinds of physical exercises.
再问： �з�����
再答： 据报道，中国的年轻人的健康，尤其是大学生，不如是应该的。这一事实的原因有很多，但最主要的原因是许多人忽略了体育锻炼的重要性。 为什么，然后，进行体育锻炼对我们的健康很重要吗？第一，体育锻炼可以改善血液循环，加快身体的各个部分，从血液通过出汗和呼气清除废物的养分和氧气的供应。其次，体育锻炼能促进健康的新陈代谢。它有助于食物的消化和吸收，从而给大家一个好胃口。第三，体育锻炼可以帮助消耗体内过多的脂肪，防止人们把太多的重量，从而保持良好的形状。最后，在锻炼身体，我们通常需要一个良好的休息，晚上睡得，清爽我们第二天＇工作。 总之，体育锻炼不[ Y我们保持健康和强壮，而且还帮助我们在我们的生活中取得成功。它是，因此，强烈建议年轻人腾出一些时间积极参加各种体育锻炼。