题目内容
短文填空
People are busy working every day, so they do not have e1.time to do exercises. As a result (结果), many people become too f2.or too thin. To keep our bodies h3., we have to do exercise every day.
There are many kinds of exercise. Bending (弯腰) and stretching (伸展) helps us m4. easily. Before we play ball games or swim, it is better for us to do bending and stretching exercise f5.. This kind of exercise is sometimes called warm-up exercise. Running is also a good exercise. If we cannot run f6., we can jog. Jogging means running s7.. Again, before we run or jog, we must do warm-up exercise. Also, we should not run or jog in b8.streets. The air there is often d9.. Some people like weight lifting(举重) because it can make their bodies strong. Also, we need to do some warm-up exercises b10.weight lifting.