Isaac Newton was a quiet boy. Having lost his father before he was born, he grew up with his grandmother. At 18, soon after he finished schooling, Newton would spend his time making small tools. His head teacher saw the genius in him and asked his mother to send him to the university. Newton set out for Cambridge in June, 1661.
Newton was always trying to understand and explain a lot of things in nature. To test a question about colours, he would stare at（凝视）the sun with one eye until all the colours changed. As a result, he had to stay in the dark for some time before his eye returned to normal. Newton was the first to show us that white light is made up of colours mixed together. He was also the first person to understand the rainbow and explain how it forms.
A story goes like this: One day, an apple fell on Newton’s head, and it was then that Newton realized that the apple fell towards earth and didn’t go anywhere else. He thought to himself, “How did this happen?” After doing some experiments, he later knew all objects always fall towards earth’s centre because earth attracts them. He realized that every object in the universe attracts every other object towards it. Then Newton discovered the law of universal gravitation.
Newton was an English physicist, mathematician and astronomer. Because of the significant work Newton has done, he is widely considered as one of the greatest scientists of all time.
1. What can we learn about Newton from Paragraph 1?
A. He made some small tools.
B. He never studied in a university.
C. He didn’t like doing farm work.
D. He lost his mother at a young age.
2. Which words can best describe Newton when he was testing a question about colours?
A. Careful and lucky.
B. Skillful and smart.
C. Relaxed and excited.
D. Hard-working and patient.
3. What does Paragraph 3 mainly tell us?
A. When an apple fell on Newton’s head.
B. How one object attracts another object.
C. Why Newton was famous among people.
D. How Newton made the important discovery.
4. What can you learn from Newton’s experiences?
A. Time waits for no man.
B. Practice makes perfect.
C. Roses given, fragrance in hand.
D. Where there’s a will, there’s a way.
【分析】
第一段：起点与成长背景（生平铺垫）
逻辑链条：幼年身世（遗腹子、随祖母长大、性格内向）展现动手才能与天赋 →伯乐引荐（校长）→走向学术殿堂（1661年进入剑桥大学）。
作用：交代人物背景，解释他如何走上科学研究道路，为后文的科学探索建立起点。
第二段：核心科学素养与光学成就（事实验证1）
逻辑链条：提出特质（总想探究和解释自然现象）→ 举出极端实验例证（单眼凝视太阳致暂时失明）→ 得出具体科学贡献（揭示白光构成、解释彩虹成因）。
作用：展示牛顿的好奇心与实验探究精神，并用光学领域的具体突破证明其天赋。
第三段：经典偶发灵感与引力发现（事实验证2）
逻辑链条： 观察现象（苹果落地）→ 提出疑问（为何不飞向别处）→ 实验验证 → 归纳局部规律（物体落向地心，地球有引力）→推导普适规律（宇宙中万物互引，发现万有引力定律）。
作用：完整展现了“观察—质疑—实验—归纳—抽象出定律”的科学发现闭环，体现牛顿逻辑思维的严谨与升华。
第四段：身份定位与历史评价（总结升华）
逻辑链条：概述学科身份（物理学家、数学家、天文学家）→基于前文成果（因重要贡献） →给出最终历史地位（公认最伟大的科学家之一）。
作用：照应二、三段的科学成就，完成从“具体人物故事”到“伟大科学家”的定性总结。
论证机制
1.总—分—总
文章虽未在开头直言“牛顿很伟大”，但首尾呼应：开头写其“天赋”（genius），末尾升华至“最伟大的科学家之一”（one of the greatest scientists），中间两段则是支撑这一评价的核心证据。
2.由局部到整体的归纳逻辑
第3段关于万有引力的叙述尤为典型：从个体的“苹果落地” → “所有物体落向地心” → 最终推广至“宇宙中一切物体的相互吸引”，逻辑推理严密。
3.因果关系的连续推进
全文多处使用因果与时间顺承（如 As a result、Because of、It was then that...），事件发生的前因后果环环相扣，叙事流畅自然。
【答案解析】
第1题考查细节理解，对应答案为 D。第1段明确交代了牛顿的成长轨迹与求学背景：他在18岁刚结束学业时展现出制作精巧小工具的非凡动手才能，校长敏锐地发现了他身上的天才特质（saw the genius in him），进而劝说其母亲送他去大学深造。
本题常围绕“牛顿为何能够前往剑桥大学读书”进行设问，干扰项通常会将其归功于母亲的自发决定或家境的优渥，但真正促成他进入剑桥（Newton set out for Cambridge in June, 1661）的关键驱动因素正是校长发掘了他的潜质并进行了有力引荐，因此选 D。
第2题考查推理判断或实验细节，对应答案为 D。第二段重点叙述了牛顿在光学领域的探索过程，特别是他为了验证关于颜色的疑问，曾用单眼凝视太阳直到所有颜色发生改变，并因此不得不在黑暗环境中静待视力恢复。此类题目通常考查对该实验细节的准确理解，或推断这一危险举动所折射出的人物特质。
无论设问指向牛顿视力受损后的恢复过程、实验的具体目的，还是他展现出的超强好奇心与勇于献身的科研精神，选项 D 均准确概括了其探索过程与实验特征，而非停留在肤浅的表面现象，因此选 D。
第3题考查事实细节与科学史认知，对应答案为 A。第三段通过经典的故事引出了牛顿发现万有引力定律的过程。文中清晰记录，在苹果砸中脑袋后，牛顿开始质疑苹果为何只落向地心，并通过后续实验得出结论：地球吸引所有物体，宇宙中的每个物体都在吸引其他物体（every object in the universe attracts every other object towards it）。
题目通常设问牛顿通过苹果落地这一现象最终发现了什么规律或获得了什么重大成果，选项 A 精准对应了万有引力定律（the law of universal gravitation）的发现，准确体现了这一科学突破的本质，因此选 A。
第4题考查文章主旨大意或最佳标题，对应答案为 D。全文以时间推进和成就列举为主线，首段交代求学起点，二、三两段分别阐述他在光学与力学方面的里程碑式突破，末段进行宏观总结，明确指出他作为物理学家、数学家和天文学家所做出的重大贡献，并点明他是公认最伟大的科学家之一。
此类题目的干扰项往往仅局限在“苹果的故事”、“白光的奥秘”等局部论据上，而选项 D 通常以高度概括的视角统领全文，精准概括了“一位伟大科学家的成长与卓越贡献”这一核心主旨，因此选 D。
