英语翻译People are busy working every day,so they do not have en

英语翻译
People are busy working every day,so they do not have enough time to do exercises.As a result (结果),many people become too fat or too thin.To keep our bodies healthy,we have to do exercises every day.
There are many kinds of exercises.Bending (弯腰) and stretching (伸展) helps us move easily.Before we play ball games or swim,it is better for us to do bending and stretching exercises first.This kind of exercise is sometimes called warm-up exercise.Running is also a good exercise.If we cannot run fast,we can jog.Jogging means running slowly.Again,before we run or jog,we must do warm-up exercises.Also,we should not run or jog in busy streets.The air there is often dirty.Some people like weight lifting(举重) because it can make their bodies strong.Also,we need to do some warm-up exercises before weight lifting.
46.__________ makes many people too fat or too thin.
A.Eating or drinking too muchB.Having no time to do exercises
C.Doing more exercisesD.Reading at home
47.Before we__________,we must do warm-up exercises.
A.run B.jog C.work D.run and jog
48.__________ is called warm-up exercise.
A.Playing ball gamesB.Swimming
C.Bending and stretching.DWeight lifting
49.Why do people like weight lifting?
A.Because it can make them work well.B.Because it can make them thin.
C.Because it can make their bodies strong.D.Because they don't like other exercises.
50.Which of the following sentences is RIGHT according to the passage?
A.Jogging means running quickly.B.Busy streets are not good places for running.
C.Weight lifting can help us move easily.D.There are four kinds of exercises in the passage.

人们每天繁忙的工作,因此他们没有足够的时间做运动.
结果,许多人太胖或太虚弱.要保持我们的身体健康,我们必须每天做运动.
有许多种运动.弯曲和舒展帮助我们移动更容易.
在我们打球或游泳之前,我们最好先做弯曲和舒展运动
这种运动有时称准备运动.
跑步也是一种好的运动.如果我们不能快速地跑步,我们可以慢跑.慢跑指慢慢地跑.
再强调一次,在我们跑步或慢跑之前,我们必须做准备运动.
并且,我们不应该在拥挤的街跑步或慢跑.那里空气经常是肮脏的.
有一些人喜欢举重,因为它可使他们的身体加强.
同样,我们需要在举重之前做一些准备运动.
46 _______使许多人太胖或太虚弱
A 暴饮暴食
B没有时间运动
C做更多运动
D在家读书
47 在我们______之前 要先做准备运动
A跑步 B慢跑 C工作 D跑步 慢跑
48 ______称为准备运动
A打球 B游泳 C弯曲和舒展 D举重
49为何有人喜欢举重
A因为它可使他们很好地工作
B因为它可使他们瘦下来
C因为它可使他们的身体健壮
D因为他们不喜欢运动