一、免疫力作文开头？
开头可写：什么叫免疫力，为什么需要免疫力。等等。
二、关于晨运心得体会？
每天坚持早晨运动对身体有利无弊。俗话说生命在于运动，只有经常参加早晨运动，才能呼吸新鲜空气，促进血液循环，增加新陈代谢，增强身体的免疫力。
提高生活质量，才能更好的使我们棈力旺盛，全身心投入到繁忙的工作中去，才能使工作精益求精。
三、锻炼身体的好处,方式,以及对学校开展体育锻炼的看法或建议，的英语作文,80词左右？
Exercise can make physical strength, for example, often run can also keep healthy. Swimming can strengthen the immune system and reduce weight, playing basketball can let you become higher. There are many good exercise to the body, but not excessive exercise, so bad to the body. This is my school sports exercise for the opinions and Suggestions. First, I think the school should give students more exercise. Second, the school should hold some sports activities,. 翻译：锻炼身体可以使身体强壮，比如，经常跑步还可以保持身体健康。
游泳可以增强抵抗力和减肥，打篮球可以让你变得更高。锻炼对身体有很多好处，但是不要过度锻炼，这样对身体不好。下面是我对学校开展体育锻炼的看法和建议。第一、我认为学校应该给学生更多的锻炼。第二、学校应该举办一些体育活动。