The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Choose the missing words of the phrase or sentence.

Preview your reading to prepare yourself to read about unfamiliar topic. Reading often presents new ideas, events, and people. It is useful to preview the next to see if you can learn something about new topic before beginning to read. This will help you to understand the reading more fully, and allow you to read without interrupting your reading to look things up.
A reading（）