跟读练习: Unit 4 The Red PlanetReading Explorer 1 3rd Ed Video - 通过视频学习英语口语
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Mars is the most studied planet in the solar system after Earth.
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Today, NASA and other space programs are working to send people to Mars.
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However, we still have much to learn about the Red Planet.
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Scientists believe Mars was formed about 4.5 billion years ago.
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It is the fourth planet from the Sun, and the second smallest planet in the solar system.
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Its diameter is almost the width of Africa,
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and its surface area is similar to that of all of Earth's continents combined.
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Just like Earth, Mars is a rocky planet.
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The ancient Romans named the planet Mars after their god of war because of its blood-red appearance.
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We now know that Mars is red because it is covered with red dust.
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Today, Mars is dry, barren and cold.
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Mars can be as low as minus 142 degrees Celsius.
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But scientists think that billions of years ago, Mars was much warmer and had liquid water on its surface.
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Scientists have found lake beds and river valleys on Mars, showing us where water once flowed.
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Mars also has volcanoes, such as Olympus Mons, the largest volcano in the solar system.
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It is three times the height of Mount Everest and was once active.
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But by about 50 million years ago, all volcanic activity on Mars stopped.
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Water can still be found on Mars in the form of polar ice caps.
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Because of this, some scientists believe that life may have once existed on the Red Planet.
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Since the 1960s, scientists from around the world have launched missions to Mars.
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They want to understand the planet, its past and its present.
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They hope to discover that the planet can support life once again.
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There are some who even think that life on Mars might be the key to a bright new future for humanity.
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本课的词汇与口语要点
这节 B1 级别的口语课以视频“Unit 4 The Red PlanetReading Explorer 1 3rd Ed Video”为素材。 视频中反复出现的词有：Mars, planet, scientists, solar。 这段视频共有 23 个句子、302 个单词可供跟读。 讲话部分时长为 2:51。 说话人语速较慢，每分钟约 106 个词，你有足够的时间模仿每一个音。 84% 的单词属于英语最常用的 3,000 词，其余的词建议在练习前先学一下。
视频中的重点词汇
视频中最难的 10 个单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| scientist 名词 | /ˈsaɪəntəst/ | 科學家 /科学家 |
| volcano 名词 | /vɑlˈkeɪ.noʊ/ | 火山 |
| barren 形容词 | /ˈbæɹən/ | 贫瘠 |
| polar 形容词 | /ˈpoʊlɚ/ | 極地的 /极地的 |
| minus | /ˈmaɪ.nəs/ | 減 /减 |
| width 名词 | /ˈwɪtθ/ | 寬度 /宽度 |
| continent 名词 | /ˈkɑntɪnənt/ | 大陸 /大陆 |
| diameter 名词 | /daɪˈæmɪdɚ/ | 直徑 /直径 |
| combine 动词 | /kəmˈbaɪn/ | 結合 /结合, 組合 /组合 |
| humanity 名词 | /hjuˈmænɪti/ | 人類 /人类 |
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | was formed · is covered · be found |
| 现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事 | have found · have launched |
| 用 “might / may” 表可能 might/may + 动词 — 有可能但不确定的事 | may have · might be |
| 最高级 the -est / the most … — 一组中最高或最低的 | the most studied · the largest |
需要注意的发音
- 长单词——注意重音位置: diameter /daɪˈæmɪdɚ/, humanity /hjuˈmænɪti/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: volcano /vɑlˈkeɪ.noʊ/, volcanic /vɔlˈkænɪk/
- 词尾辅音 — 要读清楚，后面不要加元音: scientist /ˈsaɪəntəst/, volcanic /vɔlˈkænɪk/, minus /ˈmaɪ.nəs/, width /ˈwɪtθ/, continent /ˈkɑntɪnənt/
- /æ/ — 嘴张大，不要读成 /e/: barren /ˈbæɹən/, volcanic /vɔlˈkænɪk/, diameter /daɪˈæmɪdɚ/, humanity /hjuˈmænɪti/
如何用这段视频练习
- 先完整听一遍视频，不要开口，记下不认识的单词。
- 用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
- 录下自己的声音并与原声对比，特别注意 scientist, volcano, barren 这类单词。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。