Have you had a headache during a test? Have you ever been so 【小题1】 about something that you have a headache or even can’t sleep at night? If so, then you know what stress is. Stress is what you feel when you are worried about something. This worry in your mind can make your body feel bad. You may feel 【小题2】, sad, scared（恐惧的）, or afraid—all of which can give you a stomachache or a headache.

However, there are different kinds of stress. Some kinds of stress are good and others are bad. Good stress might happen when you’re called to answer questions in class. This kind of stress can help you to 【小题3】 things better done. For example, you may do a better job in your test 【小题4】 the stress pushes you to prepare better before the test.