Period Three Lesson 3 Clean Machines
Ⅰ.阅读理解
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Most people would say that they want to lead a healthier life.In fact，to become healthier you have to be willing to make changes to your daily life，and stick with them.Even small changes in your diet and fitness plan will not only keep you healthy，but make you see a big difference in how you look and feel.
Diet alone is not enough for you to become healthier.Exercise is also a very important part.You need to have a regular exercise that will help you burn the calories.There are several choices of regular exercise.Joining a fitness club is a good way to ensure that you have a place to go，which will allow you to have good teachers to help you
