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题目来源：
OG2 阅读 Q23
正确答案：A
题目详解
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Choice A is the best answer. In lines 3-4("Certain...Net"), the author of Passage 1 provides evidence that the use of screen-based technologies has some positive effects: "Certain cognitive skills are strengthened by our use of computers and the Net."
Choices B, C, and D are incorrect because they do not provide the best evidence that the use of screen-based technologies has some positive effects. Choices B, C, and D introduce and describe the author's reservations about screen-based technologies.
Choices B, C, and D are incorrect because they do not provide the best evidence that the use of screen-based technologies has some positive effects. Choices B, C, and D introduce and describe the author's reservations about screen-based technologies.
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