2026 全国 第 29 题 单选题 区分题 2026_新课标 II 卷 29. What is paragraph 3 mainly about? A. How the altimeter was invented.B. What initiated the author's research.C. Why the digital readings varied.D. Where the author spent his holiday. 参考答案B ☆ 收藏不会,直接看解析查看原卷 →