The Sound of Nothing 黑洞：无中「声」有
- 详细资料
- 创建于 2008年1月25日
- 最后更新于 2024年5月25日
- 发布于 2012年2月10日
- 作者：Mike Lee
- 点击数：243
课文朗读
课文讲解
The universe’s worst singer has been discovered. It lives in the heart of the Perseus Galaxy Cluster, and it’s been ___1___ out the same note for 2.5 billion years. The “vocalist” is a gigantic black hole. Scientists claim that the note, more than fifty octaves below middle C, is a B flat.
宇宙间最差劲的演唱者已被发现，它位于柏修斯星团的中心，且已持续高唱相同的音符长达25亿年。该「歌手」是一个巨大的黑洞。科学家指称，音符是降B，比中央C低了50多个八度。
|
1. |
(A) belt |
(B) belting |
(C) belted |
(D) belts |
You may think it’s strange that a black hole can ___2___ noise. We’ve always been told that nothing, not even sound, is supposed to escape a black hole. In fact, a small amount of matter does ___3___ being sucked into black holes. This matter exists in the “rings” that black holes create around them as they draw matter in.
你或许觉得奇怪，黑洞居然会发出声音。科学界一直告诉我们，任何事物，包括声音，都逃不出黑洞。但事实上，确实有少量物质可以躲过黑洞的吸力。当黑洞吸入物体时，会在四周产生「环」，少量物质就被留在「环」里。
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2. |
(A) take off |
(B) lay out |
(C) set out |
(D) give off |
|
3. |
(A) avoid |
(B) deny |
(C) merit |
(D) imagine |
When huge amounts of pressure accumulate, some of this matter ___4___ from the black hole at an extremely high speed. The matter collides with galactic gas, producing noise in the same way that a drumstick does ___5___ hitting a drum.
当大量压力累积时，一些被留在「环」中的物质便会被黑洞以高速喷出，此物质和银河体碰撞后，会发出像鼓槌敲鼓一样的声响。
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4. |
(A) expels |
(B) expelled |
(C) is expelled |
(D) is expelling |
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5. |
(A) as |
(B) when |
(C) because |
(D) since |
Although scientists cannot directly hear sound through the vacuum of space, they are still able to observe vibrating matter and ___6___ corresponding sound by using x-rays. In fact, scientists are finding that the universe is full of cosmic sounds. They’ve ___7___ detected echoes of the big bang traveling through space. That’s a discovery that’s sure to make waves!
尽管科学家无法直接透过真空的宇宙听见声音，却可藉由X光观察物质的振动及其相对应的声音。事实上，科学家正逐步发现宇宙间充满了声响，他们甚至曾侦测到宇宙大爆炸的回音穿越太空。现在这项发现势必引起广大回响。
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6. |
(A) their |
(B) there’s |
(C) its |
(D) it’s |
|
7. |
(A) even |
(B) yet |
(C) still |
(D) only |
−by Michael Karanicolas
Vocabulary
单词发音
gigantic [dʒaɪˋgæntɪk] adj. 巨大的，庞大的
accumulate [əˋkjumjə͵let] v. 累积
collide [kəˋlaɪd] v. 碰撞；相撞.[(+with)]
vacuum [ˋvækjʊəm] n. 真空
vibrate [ˋvaɪbret] v. 颤动；振动
More Information
单词发音
belt out 高声歌唱, 声嘶力竭地叫喊 to sing loudly or emit (sound, ESP pop music) loudly
note [not] n. 音符
vocalist [ˋvokəlɪst] n. 歌手；歌唱家；声乐家
octave [ˋɑktɪv] / [ˋɑktev] n. 八度音（阶）
B flat (音阶的) 降B
galactic [gəˋlæktɪk] adj.【天】银河的
drumstick [ˋdrʌm͵stɪk] n. 鼓槌
corresponding [͵kɔrɪˋspɑndɪŋ] adj. 对应的
cosmic [ˋkɑzmɪk] adj. 宇宙的
big bang [bæŋ]（宇宙起源）大爆炸
make waves 制造麻烦, 兴风作浪 to shock or upset people with something new or different
give off 发出, 发散 to send forth; emit
expel [ɪkˋspɛl] v. 排出；喷出（空气等）
Answer
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1. ( B ) |
2. ( D ) |
3. ( A ) |
4. ( C ) |
5. ( B ) |
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6. ( C )
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7. ( A ) |
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