根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Health is the most important thing in the world. Nothing is more important than health.If we take away our money，houses，or even our clothes，we can still survive.____ That is why we always try to eat in a healthy way and exercise regularly.
How can we keep healthy？In order to eat healthily，I usually avoid eating food high in fat，like French fries or cookies，which are junk food.____ I eat a lot of vegetables and fresh fruit which are full of vitamins.
____ Taking exercise every day helps us build a strong body.Regular exercise is an important part of keeping me healthy.
What's more，I think friends are an important part of one's health.____ I always feel better when I am with friends than I am alone.When I am with friends，I always laugh.Laughing is also an important part of health.It's good to stay with my friends.
By eating properly and exercising regularly，I can keep my mind as well as my body happy.These things sound easy to do，but not many people can manage them.____
A．In addition，doing exercise is very important.
B．There are some people who like staying alone，but they keep healthy.
C．Many studies show that people with a wide range of social contacts don't get sick.
D．But if our health was taken away，it is certain that we would surely die.
E．I think a strong will is necessary if we want to keep healthy.
F．I only eat little meat.
G．Some people appear fat because they often eat too much.
CH3COCH2Br＋HBr）来研究反应物浓度与反应速率的关系。反应速率v(Br2)通过测定溴的颜色消失所需的时间来确定。在一定温度下，获得如下实验数据：