What is the main idea of this passage?

題目

What is the main idea of this passage? A. The human lifespan has been longer due to progress in memory chips. B. Several advances in medicine and technology are leading to longer lives. C. Humans for sure will live 90 years or even over 100 years by the 2040s. D. The goal of medical development is to help humans live forever.

官方答案

• 答案：B. Several advances in medicine and technology are leading to longer lives.

解析

本題測驗文章主旨（Main idea）。短文首段指出兩百年前平均壽命約40歲，現代可達80歲，並預測隨著醫療技術進步，2040年代可能活到90甚至100歲以上；第二段進一步以伊隆·馬斯克的看法說明科技（如腦機介面等）亦可能進一步大幅延長壽命。全文核心在於「醫學與科技的多項進步正引領人類活得更長壽」，選項B完美總括全文要旨。A選項過於片面且非既成事實；C選項文中僅提及「it is possible」，並非「for sure」；D選項宣稱其「目標」為追求長生不老，偏離主旨。

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官方資料

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• 官方答案 PDF

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