The content of college English textbooks is also within the scope of CET-4, although it doesn't seem obvious. But it also includes the cultivation of listening, speaking, reading and writing skills. And this is exactly what the CET-4 examines.

In fact, what you mean by asking this question is that how much college classroom learning helps Band 4 depends on how you use it. College English class is different from middle school, which focuses on building a learning platform, providing guidance on learning methods, learning communication, answering questions, and cultivating students' learning ability and their own ability to arrange learning. If we can make good use of this platform, we will gain more.