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It was better than The Wright Flyer in thatA. it had a stronger bodyB. its engine was more powerfulC. it could stay longer in the airD. it could change directions more easily

It was better than The Wright Flyer in that A. it had a stronger body B. its engine was more powerful C. it could stay longer in the air D. it could change directions more easily

题目解答

答案

题目:“It was better than The Wright Flyer in that”(它比莱特飞行器更好的地方在于),然后给出了四个选项: A. 它有更坚固的机身 B. 它的发动机更强大 C. 它能在空中停留更长时间 D. 它能更容易地改变方向 我们来逐步分析这道题。 首先,我们需要理解“The Wright Flyer”指的是什么。莱特飞行器(The Wright Flyer)是1903年由莱特兄弟制造并成功试飞的人类历史上第一架动力飞机。它的飞行时间很短(第一次飞行仅持续12秒,飞行距离约37米),飞行高度低,操控性有限,发动机功率也较小(约12马力),结构相对简单。 题目中的“It”指的是某个后来的飞行器,比莱特飞行器更先进。题目问的是“它比莱特飞行器更好的地方是什么”。 我们逐项分析选项: A. 它有更坚固的机身 → 莱特飞行器是木结构加织物蒙皮,确实不够坚固,但“机身更坚固”并不是后来飞机最显著的进步点,也不是飞行性能提升的关键因素。这个选项有一定道理,但不是最核心的改进。 B. 它的发动机更强大 → 莱特飞行器的发动机只有约12马力,确实很小。后来的飞机发动机功率迅速提升,这有助于提高速度、载重和飞行性能。这个选项是合理的。 C. 它能在空中停留更长时间 → 莱特飞行器第一次飞行只飞了12秒,后来最长的一次也不到一分钟。而随着技术进步,飞机的续航时间迅速增加。这确实是后来飞机的一个显著优势。这个选项也合理。 D. 它能更容易地改变方向 → 莱特兄弟的飞行器其实已经具备了三轴控制系统(俯仰、滚转、偏航),这是他们最重要的发明之一。但早期控制仍然非常困难,依赖飞行员的高超技巧。后来的飞机在气动设计、控制面(如副翼、方向舵)的改进下,操控性大幅提升。因此,“更容易改变方向”也是一个重要进步。 现在我们要判断哪一个是最合适的答案。 关键在于“in that”引导的是“它比莱特飞行器更好的**主要原因**或**显著特点**”。 回顾历史,莱特飞行器的突破在于实现了可控的动力飞行,但其飞行时间极短,实用性低。后续飞机的改进目标之一就是延长飞行时间,提高实用性。 选项C“它能在空中停留更长时间”直接反映了飞行器在续航和稳定性方面的进步,是衡量飞行器性能提升的一个重要指标。 虽然B和D也是正确的改进方向,但“能停留更长时间”是综合性能提升的结果,包括发动机效率、气动设计、操控性等。 在类似的历史或科技语境中,常将“飞行时间更长”作为后来飞机优于早期型号的关键标志。 因此,最合适的答案是: **C. 它能在空中停留更长时间** **答案:\boxed{C}**

解析

本题考查对莱特飞行器(The Wright Flyer)历史背景及早期飞机改进方向的理解。关键在于明确莱特飞行器的局限性,以及后续飞行器在哪些方面实现了显著突破。核心思路是对比选项中提到的改进点,判断哪一项最能体现“更好”的核心优势。

选项分析

A. 它有更坚固的机身

莱特飞行器采用木结构加织物蒙皮,强度有限。但机身坚固性并非早期飞机改进的核心方向,飞行性能的提升更依赖动力和操控性。

B. 它的发动机更强大

莱特飞行器的发动机仅12马力,后续飞机确实通过更强劲的发动机提升速度和载重。但发动机功率的提升是手段,而非直接体现飞行器整体性能的突破。

C. 它能在空中停留更长时间

莱特飞行器首次飞行仅12秒,后续飞机通过更高效的发动机、气动设计和燃料利用大幅延长飞行时间。续航能力是衡量飞行器实用性和进步的核心指标。

D. 它能更容易地改变方向

莱特兄弟的三轴控制系统已奠定基础,后续改进主要优化操控灵敏度。但方向控制的提升属于细节优化,未达到“更好”的决定性突破。

关键结论

“能更长时间飞行”直接反映飞行器技术的综合进步,是后续飞机超越莱特飞行器的核心标志。

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