题目：
选择题
In terms of educational technology, which of the following is not correct ?
- A. It refers to the uses students make of machines to systematize their study.
- B. It refers to any use of machines to systematize practical knowledge.
- C. It refers to the uses teachers make of machines to systematize their teaching.
- D. It refers to the coping strategies that we use in teaching.
答案：
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