题目

Stress is everywhere in our everyday life. Not only men have it, but also women and young people.The most important reasons of stress are: death, diseases, exams, making money, getting married, moving houses, changing jobs, ending friendships and so on.How do you know whether you have stress or not? Could you give your answers to the following questions?Do you...YesNoEasily get angry?Often sleep badly?Get headaches a lot?Take medicine to help sleep?Find it difficult to relax?Usually hide your feeling?Smoke and drink a lot to keep quiet?Find it difficult to put your heart into something?If your13．若函数$y=x+\frac{a}{x}+1$有两个零点，则实数a的取值范围是（-∞，$\frac{1}{4}$）．