30. What is the author's main purpose in writing this passage?
(A) To argue that technology should replace teachers
(B) To explain how technology can be effectively integrated into teaching
(C) To discourage the use of digital tools
(D) To describe the history of language education
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統計: A(1), B(9), C(0), D(1), E(0) #3853710
統計: A(1), B(9), C(0), D(1), E(0) #3853710