阅读下面短文，然后根据括号内所给汉语意思写出单词的正确形式（每空一词）。
Great pressure, polluted environment and bad habits make us feel sick. And a new kind of bird flu puts us into a more serious situation. Now it is 1 (叫做)--H7N9. More and more people begin to think it’s really important to 2 （保持）healthy. There are four ways we can 3 (跟随).
First, it is very important to start good habits in your daily life, such as living without wine 4 (或者) smoke, sleeping on time and doing more exercise in your 5 （自由的）time. Second, try to eat the 6 (正确的) food in a balanced way. You should give up eating junk food if the weight 7 （问题）bothers you. Third, relax 8 （你自己）. Do not care too much about the little things and laugh at a certain time. 9 (第四)，travel a lot in your holiday. You can go to some beautiful places with 10 (干净的) air and lovely plants. In this way, you can make the life better and healthier.