题目

Travelling is a very good activity. When you are fed up with your work and when you can get a holiday, you can go to the beautiful places to enjoy the beauty of nature and the special character of other cities. You can breathe fresh air, visit some places of interest, meet different people and make friends with them. If you do so, you will forget your tiredness and troubles and build up your health. As a result, you will feel fully relaxed and you will have the energy to do the new tasks waiting for you.      But sometimes, travelling is not an enjoyable thing. For example, when the16．陆地面积约占地球总面积的十分之三，而海洋面积约占地球总面积的十分之七．你知道地球上的陆地面积多还是海洋多吗？