The exercises that follow are designed to help you learn the terms presented in the chapter. Writing terms over and over again is a good way to study this new language. You will find the answers to these exercises starting on page 24. This makes it easy to check your work. As you check each answer, you not only will reinforce your understanding of a term but often will gain additional information from the answer. Each exercise is designed not as a test, but rather as an opportunity for you to learn the material.