Use cadence to express all kinds of complex relationships within the article. For example, using tortuous tone and long pause to express the relationship between semantic turning, causality, hypothesis and choice; Express the juxtaposition and coherence of meaning with a straightforward tone and a short pause; Use rising tone and short pause to express progressive meaning.
Highlight key words with stress and indicate right or wrong with a firm tone. Express a positive attitude of approval, with firm tone and lively rhythm; If you express a negative or opposing attitude, your tone will be harsh and your rhythm will be depressed. In short, we should be clear and powerful.
When reading the explanatory text, we should focus on the object, order and explanation method. The reading of the whole expository text should be plain and natural, and the rhythm should not change too much. Even if you are reading an expository article with narrative and descriptive elements, you should pay attention to plainness.