在24年考研英语二阅读理解部分，以下是一份可能的答案示例：
Passage 1
Question 1: What is the main purpose of the passage?
Answer: The passage aims to explore the impact of social media on teenagers' mental health.
Question 2: According to the passage, which of the following is NOT a consequence of excessive social media use?
Answer: Loss of appetite.
Question 3: The author uses the example of "Instagram influencers" to illustrate what?
Answer: The persuasive power of social media in shaping young people's self-image.
Passage 2
Question 4: What is the author's attitude towards the new educational technology?
Answer: The author is cautiously optimistic.
Question 5: Which of the following is NOT mentioned as a benefit of the technology?
Answer: Improved student attendance.
Passage 3
Question 6: What is the main argument presented in the passage?
Answer: The passage argues that climate change is a significant threat to global food security.
Question 7: According to the passage, what is the most effective way to combat climate change in the agricultural sector?
Answer: Implementing sustainable farming practices.
Passage 4
Question 8: What is the central idea of the final paragraph?
Answer: The importance of interdisciplinary collaboration in solving complex global issues.
Question 9: The author suggests that the current approach to global challenges is:
Answer: Inadequate and fragmented.
Passage 5
Question 10: What is the tone of the passage?
Answer: The tone is persuasive and argumentative.
Question 11: The author concludes that:
Answer: The proposed policy changes are necessary for a sustainable future.
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