英語六級閱讀練習內(nèi)容精選整理：地磁學(xué)研究

英語六級閱讀練習無疑是提升英語能力的重要途徑之一。通過這一方式，學(xué)習者不僅能夠有效地鍛煉自己的語言技能，如閱讀理解和詞匯運用，還能在實踐中不斷擴充六級詞匯，深化對語法知識的理解。以下是一個關(guān)于“地磁學(xué)研究”主題的英語六級閱讀練習示例，旨在幫助學(xué)習者在掌握知識的同時，進一步加深對英語運用的理解和感受。

英文原文

In the realm of scientific inquiry, a lesser-known yet fascinating field is the study of geomagnetism – the study of Earth's magnetic field and its interactions with the environment. Geomagnetism plays a crucial role in numerous natural phenomena, from navigation using compasses to protecting our planet from harmful solar radiation.

在科學(xué)探索的廣闊領(lǐng)域中，有一個鮮為人知卻引人入勝的領(lǐng)域，那就是地磁學(xué)——研究地球磁場及其與環(huán)境的相互作用。地磁學(xué)在許多自然現(xiàn)象中扮演著至關(guān)重要的角色，從利用指南針進行導(dǎo)航到保護我們的星球免受有害太陽輻射的影響。

One of the most intriguing discoveries in geomagnetism is the existence of magnetic reversals. These occur periodically throughout Earth's history, where the polarity of the magnetic field flips – north becomes south, and vice versa. Scientists have documented numerous such reversals in the geological record, with the most recent one occurring approximately 780,000 years ago.

地磁學(xué)中最引人入勝的發(fā)現(xiàn)之一是磁極反轉(zhuǎn)的存在。這些反轉(zhuǎn)在地球歷史上周期性發(fā)生，即磁場的極性翻轉(zhuǎn)——北極變成南極，反之亦然?？茖W(xué)家在地質(zhì)記錄中記錄了許多這樣的反轉(zhuǎn)，最近一次發(fā)生在大約78萬年前。

Understanding the mechanisms behind magnetic reversals remains a challenge for geophysicists. Current theories suggest that they are linked to the movement of Earth's tectonic plates and the convection of molten rock in the planet's core. However, the exact triggers and consequences of these events are still largely unknown, making geomagnetism a frontier of scientific research.

了解磁極反轉(zhuǎn)背后的機制仍然是地球物理學(xué)家面臨的挑戰(zhàn)。目前的理論認為，它們與地球板塊的運動和地球核心熔融巖石的對流有關(guān)。然而，這些事件的確切觸發(fā)因素和后果仍然在很大程度上未知，這使得地磁學(xué)成為科學(xué)研究的前沿領(lǐng)域。

問題

1.What is the main focus of geomagnetism?

A) The study of earthquakes and volcanic eruptions.

B) The interaction between Earth's magnetic field and the environment.

C) The analysis of solar radiation's impact on Earth.

D) The prediction of weather patterns.

2.What is a magnetic reversal?

A) A sudden change in the intensity of Earth's magnetic field.

B) The periodic flipping of the magnetic field's polarity.

C) The disappearance of Earth's magnetic field.

D) The movement of tectonic plates causing geological changes.

3.What is the current understanding of the causes of magnetic reversals?

A) They are directly caused by solar radiation.

B) They are completely unpredictable and random.

C) They are linked to tectonic plate movement and core convection.

D) They are caused by human activities.

答案解析

1.答案: B

解析: 原文第一段明確指出，地磁學(xué)的主要研究內(nèi)容是地球磁場及其與環(huán)境的相互作用。

2.答案: B

解析: 原文第二段詳細解釋了磁極反轉(zhuǎn)是地球歷史上周期性發(fā)生的磁場極性翻轉(zhuǎn)現(xiàn)象。

3.答案: C

解析: 原文第三段提到，當前理論認為磁極反轉(zhuǎn)與地球板塊的運動和地球核心熔融巖石的對流有關(guān)。

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