Question

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Explanation:

Analyze the style requirement

Using the Formal Register and Academic Tone knowledge points
The question asks which phrase in sentence 2 should be revised to maintain a formal style. A formal style avoids slang, idioms, and overly casual language.

Evaluate sentence 2

Using the Formal Register and Academic Tone knowledge points
Sentence 2 reads: "Textbooks were effective in the pre-digital age, but now we live in a technology-based society, so schools need to get with the program and adopt a modern approach to learning."

Identify informal language

Using the Formal Register and Academic Tone knowledge points
The phrase "get with the program" is an informal, colloquial idiom. In contrast, "pre-digital age," "technology-based society," and "modern approach" are objective, standard academic terms. Therefore, "get with the program" must be revised.

Answer:

• "pre-digital age"
• "technology-based society"
• "get with the program" (Correct answer)
• "modern approach"