Final answer:
To use an index efficiently, you should look for entries that have multiple pages devoted to the topic, a word that appears on every page in the book, and avoid entries that have just one page of information. The correct option is 1.
Step-by-step explanation:
How to Use an Index Efficiently
- Look for entries that have multiple pages devoted to the topic. These entries are likely to provide more in-depth information on the subject.
- A word that appears on every page in the book can also be a helpful indicator. For example, if you're looking for information on Shakespeare, entries that contain the word 'Shakespeare' on every page may be relevant.
- Avoid entries that have just one page of information. These entries are likely to provide a brief overview rather than comprehensive coverage of the topic.
By following these strategies, you can efficiently navigate an index and find the most relevant information for your research or study needs. Hence, teh correct answer is 1.