在阅读理解部分，以下是对19年英语二阅读理解部分的部分答案示例：
Passage 1
1. Question: What is the main idea of the passage?
Answer: The passage discusses the importance of sleep for cognitive functions.
2. Question: According to the passage, what effect does sleep deprivation have on memory?
Answer: Sleep deprivation impairs memory consolidation.
Passage 2
1. Question: What is the author's opinion about the impact of social media on young people?
Answer: The author believes that excessive social media use can negatively affect young people's mental health.
2. Question: Which of the following is NOT mentioned as a consequence of social media use?
Answer: The passage does not mention financial gains as a consequence.
Passage 3
1. Question: How does the author describe the current state of renewable energy technology?
Answer: The author describes it as rapidly advancing but still facing challenges.
2. Question: What is the author's main argument regarding the future of renewable energy?
Answer: The author argues that despite challenges, renewable energy is the key to a sustainable future.
Passage 4
1. Question: What is the central argument presented in the passage?
Answer: The passage argues for the importance of early childhood education in shaping a child's future.
2. Question: According to the passage, what is one of the benefits of early childhood education?
Answer: It enhances cognitive development and social skills.
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