单选题   Directions: For this part, you are allowed 30 minutes to write an essay based on the picture below. You should start your essay with a brief description of the picture and then discuss the importance and benefits of doing exercise. You should give sound arguments to support your views and write at least 150 words but no more than 200 words.
   
【正确答案】To Do Exercise or to Die With the pace of life speeding up, more and more people suffer from such sub-health problems as obesity, high blood pressure, insomnia and so on. As is shown in the picture, the advice that a doctor gives to a middle-aged fat man is to do exercise one hour a day, or he will pay the price. Exercise can do us good in many aspects. It goes without saying that taking exercise can improve our physical condition and bring other benefits as well. Firstly, exercise does good to our brain because it can refresh our mind and make our body filled with vitality and flexibility. Secondly, taking exercise can prevent us from catching cold or contracting other diseases since proper exercise can build up our body and help us resist some bacteria. What's more, exercise can also help us to keep a healthy mentality to avoid such sufferings as insomnia, depression and so on. So, from now on, everyone had better do exercise every day, which can make us healthy both physically and psychologically.
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