To prepare for the junior high school English level 3 exam, focus on the following aspects:

1. Vocabulary: Review the words and phrases you have learned in class. Use flashcards or an app to practice daily. Aim to master at least 80% of the vocabulary from your textbook.

3. Listening Comprehension: Listen to English audio materials, such as podcasts, songs, or stories. Try to understand the main ideas and pick up new vocabulary. Practice summarizing what you've heard.

4. Reading Comprehension: Read English passages from your textbook or other sources. Work on improving your reading speed and understanding. After reading, ask yourself questions about the text to check your comprehension.

6. Speaking: Speak English as much as possible! Participate in class discussions, practice oral presentations, and find language exchange partners. Don't be afraid to make mistakes; practice makes perfect.

By focusing on these areas and dedicating time to practice, you will be well-prepared for the junior high school English level 3 exam. Good luck!