Bode's Law托福聽力原文翻譯及問題答案

Bode's Law托福聽力原文翻譯及問題答案,關(guān)于這個問題中國教育在線外語平臺小編就簡單為大家說一下。

一、Bode's Law托福聽力原文：

Narrator:Listen to part of a lecture in an astronomy class.You will not need to remember the numbers the professor mentions.

MALE PROFESSOR:OK.Let's get going.Today I'm going to talk about how the asteroid belt was discovered.And...I'm going to start by writing some numbers on the board.Here they are:We'll start with zero,then 3,...6,...12.Uh,tell me what I'm doing.

FEMALE STUDENT:Multiplying by 2?

MALE PROFESSOR:Right.I'm doubling the numbers,so 2 times 12 is 24,and the next one I'm going to write after 24 would be...

FEMALE STUDENT:48.

MALE PROFESSOR:48.Then 96.We'll stop there for now.Uh.now I'll write another row of numbers under that.Tell me what I'm doing.4,7,10...How am I getting this second row?

MALE STUDENT:Adding 4 to the numbers in the first row.

MALE PROFESSOR:I'm adding 4 to each number in the first row to give you a second row.So the last two will be 52,100,and now tell me what I'm doing.

FEMALE STUDENT:Putting in a decimal?

MALE PROFESSOR:Yes,I divided all those numbers by 10 by putting in a decimal point.Now I'm going to write the names of the planets under the numbers.Mercury...Venus...Earth...Mars.So,what do the numbers mean?Do you remember from the reading?

MALE STUDENT:Is it the distance of the planets from the Sun?

MALE PROFESSOR:Right.In astronomical units–not perfect,but tantalizingly close.The value for Mars is off by...6 or 7 percent or so.It's...but it's within 10 percent of the average distance to Mars from the Sun.But I kind of have to skip the one after Mars for now.Then Jupiter's right there at 5-point something,and then Saturn is about 10 astronomical units from the Sun.Um,well,this pattern is known as Bode's Law.

Um,it isn't really a scientific law,not in the sense of predicting gravitation mathematically or something,but it's attempting a pattern in the spacing of the planets,and it was noticed by Bode hundreds of years ago.Well,you can imagine that there was some interest in why the 2.8 spot in the pattern was skipped,and um...but there wasn't anything obvious there,in the early telescopes.Then what happened in the late 1700s?The discovery of...?

FEMALE STUDENT:Another planet?

MALE PROFESSOR:The next planet out,Uranus–after Saturn.And look,Uranus fits in the next spot in the pattern pretty nicely,um,not perfectly,but close.And so then people got really excited about the validity of this thing and finding the missing object between Mars and Jupiter.And telescopes,remember,were getting better.So people went to work on finding objects that would be at that missing distance from the Sun,and then in 1801,the object Ceres was discovered.

And Ceres was in the right place–the missing spot.Uh,but it was way too faint to be a planet.It looked like a little star.Uh,and because of its starlike appearance,um,it was called an asteroid.OK?"Aster"is Greek for"star,"as in"astronomy."Um,and so,Ceres was the first and is the largest of what became many objects discovered at that same distance.Not just one thing,but all the objects found at that distance form the asteroid belt.So the asteroid belt is the most famous success of this Bode's Law.That's how the asteroid belt was discovered.

二、Bode's Law托福聽力中文翻譯：

旁白：在天文學課上聽一節(jié)課的一部分。你不需要記住教授提到的數(shù)字。

男教授：好的。我們開始吧。今天我要談談小行星帶是如何被發(fā)現(xiàn)的。和我先在黑板上寫一些數(shù)字。它們是：我們從零開始，然后是3，。。。6.告訴我我在做什么。

女生：乘以2？

男教授：對。我把數(shù)字加倍，所以2乘以12等于24，下一個24后寫的是。。。

女生：48歲。

男教授：48歲。然后是96。我們現(xiàn)在就到此為止。嗯現(xiàn)在我再在下面寫一行數(shù)字。告訴我我在做什么。4,7,10...第二排怎么走？

男學生：在第一行的數(shù)字上加4。

男教授：我在第一行的每個數(shù)字上加4，給你第二行。最后兩個是52100，現(xiàn)在告訴我我在做什么。

女學生：輸入小數(shù)點？

男教授：是的，我把所有的數(shù)字都除以10，加上一個小數(shù)點?，F(xiàn)在我要把行星的名字寫在數(shù)字下面。水星維納斯世界火星那么，這些數(shù)字意味著什么？你還記得閱讀的內(nèi)容嗎？

男學生：是行星與太陽的距離嗎？

男教授：對。以天文單位計算——雖然不完美，但非常接近。Mars的值已關(guān)閉。。。6%或7%左右。這是。。。但它距離火星與太陽的平均距離不到10%。但我現(xiàn)在不得不跳過火星之后的那一個。然后木星在5點左右，然后土星距離太陽大約10個天文單位。這個模式被稱為博德定律。

嗯，這不是一條真正的科學定律，不是從數(shù)學上預測萬有引力之類的意義上來說，但它正在嘗試一種行星間距的模式，數(shù)百年前博德就注意到了這一點。嗯，你可以想象，人們對為什么跳過模式中的2.8點很感興趣，嗯。。。但在早期的望遠鏡中，那里沒有任何明顯的東西。那么18世紀末發(fā)生了什么？發(fā)現(xiàn)。。。？

女生：另一個星球？

男教授：土星之后的下一顆行星，天王星?？矗焱跣呛芎玫剡m應了模式中的下一個位置，嗯，不是很完美，但很接近。于是人們對這件事的有效性感到非常興奮，并找到了火星和木星之間失蹤的物體。記住，望遠鏡正在變得更好。于是人們開始尋找與太陽相距如此遙遠的天體，然后在1801年，谷神星被發(fā)現(xiàn)。

而谷神星在正確的位置——缺失的位置。呃，但它太暗了，不可能是行星。它看起來像一顆小星星。呃，由于它的星形外觀，呃，它被稱為小行星。好啊“Aster”在希臘語中是“星”的意思，如“天文學”因此，谷神星是第一個也是在相同距離發(fā)現(xiàn)的眾多天體中最大的一個。不僅僅是一件事，在這一距離發(fā)現(xiàn)的所有物體都形成了小行星帶。因此，小行星帶是博德定律最著名的成功之處。小行星帶就是這樣被發(fā)現(xiàn)的。

三、Bode's Law托福聽力問題：

Q1:1.What is Bode’s law?

A.A law of gravitation

B.An estimate of the distance between Mars and Jupiter

C.A prediction of how many asteroids there are

D.A pattern in the spacing of the planets

Q2:2.Why does the professor explain Bode's Law to the class?

A.To describe the size of the asteroids

B.To explain how the asteroids belt was discovered

C.To explain how gravitational forces influence the planets

D.To describe the impact of telescopes on astronomy

Q3:3.How does the professor introduce Bode's Law?

A.By demonstrating how it is derived mathematically

B.By describing the discovery of Uranus

C.By drawing attention to the inaccuracy of a certain pattern

D.By telling the names of several of the asteroids

Q4:4.According to the professor,what two factors contributed to the discovery of the asteroid Ceres?[Click on 2 answers.]

A.Improved telescopes

B.Advances in mathematics

C.The discovery of a new star.

D.The position of Uranus in a pattern

Q5:5.What does the professor imply about the asteroid belt?

A.It is farther from the Sun than Uranus.

B.Bode believed it was made up of small stars.

C.It is located where people expected to find a planet.

D.Ceres is the only one of the asteroids that can be seen without a telescope.

Q6:6.Why does the professor say this.

A.To introduce an alternative application of Bode's Law.

B.To give an example of what Bode's law cannot explain.

C.To describe the limitaions of gravitational theory.

D.To contrast Bode's Law with a real scientific law.

四、Bode's Law托福聽力答案：

A1:正確答案：D

A2:正確答案：B

A3:正確答案：A

A4:正確答案：AD

A5:正確答案：C

A6:正確答案：D

>> 雅思 托福 免費測試、量身規(guī)劃、讓英語學習不再困難<<