Today's the day of a big test at school, and you feel awful. Your stomach hurts and you have a headache. Some people might feel their hearts beating quickly while they are waiting for the test paper. A student with really strong test _ may even feel like he or she might be sick or throw up . Sound familiar? You'll find that just about all people--adults and others--have some anxiety before a test. According to studies, proper anxiety can be helpful, keeping you sharp and focused and even helping you get good grades. But when you have so much anxiety or feel so sick that you can't do well in your studies or tests, that's bad for your studies or your body health. Of course, if you don't study for the test, you might be worried. That kind of anxiety isn't easy to deal with because even if you find a way to calm down, you still might not know what to do with it. When you are preparing for a test and you get a handle on your test, you will be able to let your knowledge work well and get good grades. For example, last Wednesday was the day of a big test at school. Jane felt awful. Her stomach hurt and she had a headache. She knew she hadn't caught a cold--but only a little nervous about the test. She really didn't know why. When you feel too nervous in a test, you may  _  .
improve yourself fail in the test get good grades feel very relaxed