教你如何妙解托福聽力推斷題

 托福聽力中有很多種題目，有一些托福聽力題型如果能掌握好一些方法那么對于托�？荚嚶犃�來說還是很有幫助的，下面就來看看其中推斷題的情況。

如何妙解托福聽力推斷題：考察內(nèi)容

推理推斷題也是托�？荚嚶犃χ谐？嫉念}型。與觀點(diǎn)組織題不同，它不是用例子證明所提出的觀點(diǎn)，而是通過所給的例子，推出一個結(jié)論。

如何妙解托福聽力推斷題：出現(xiàn)方式

推理推斷題的題干，一般是這樣的：

What does the professor imply when he explains the washing and scraping methods that were used to remove ink from a parchment surface?

What can be inferred about two stars if their spectra have similar spectral line patterns?

推理推斷題的題干中一般包括imply 和 infer這樣的詞。所以，一看到imply 或是infer 就應(yīng)該想到這是推理推斷題。“暗含著什么?”或是“由此可以推出什么?”

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如何妙解托福聽力推斷題：解題思路

這種托福聽力題型的解題思路如我們所說，是根據(jù)所給例子推出一個結(jié)論，但是在推斷的過程中，有一點(diǎn)請?zhí)貏e注意，就是不要過度推斷。下面舉例來說：

In the late MiddleAges, it was customary to scrape away the surface of the parchment with an abrasive, which completely wiped out any writing that was there. But earlier in the Middle Ages, the original ink was usually removed by washing the used parchment with milk. That removed the ink. But with the passing of time, the original writing might reappear.

What does the professor imply when he explains the washing and scraping methods that were used to remove ink from a parchment surface?

A. Washing made parchment more able to retain newly applied ink than scraping did.

B. Washing was less effective than scraping as a means of permanently erasing ink.

C. The scraping method was used in the creation of the Archimedes palimpsest.

D. Neither method completely erased the original text

答案 B

文章說呢，在中世紀(jì)晚期，使用的摩擦的方法可以把羊皮紙上的字跡完全擦掉。而早些時候使用牛奶除去字跡的方法不那么有效，雖然當(dāng)時看不到了，但隨著時間的流逝，被擦掉的字跡會重現(xiàn)。所以，對于想要除掉羊皮紙上得字跡，以便被重新使用這個目的而言，前者是更有效的。也就是我們B選項(xiàng)所說。從一個可以完全擦掉，一個過后會重現(xiàn)，推出一個比另一個更有效，這就是一個合理推斷的過程。由文章所給的例子和其中所含的信息，推出結(jié)論，這就是推理推斷題的實(shí)質(zhì)所在。托福聽力再次要強(qiáng)調(diào)的就是不要過度推斷，一定要依據(jù)所給的例子和所含的信息來推斷。

What can be inferred about two stars if their spectra have similar spectral line patterns?

And if you were looking at the spectrum of some other star, the colors would be the same. But the spectral lines would break it up at different places, making different patterns. Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.

What can be inferred about two stars if their spectra have similar spectral line patterns?

A. The stars are approximately the same distance from the Earth.

B. The stars probably have same chemical elements in common.

C. The stars have nearly the same brightness.

D. The stars are probably of the same size

答案 B

文章說一些恒星發(fā)出的光譜顏色一樣，可是它們的光譜線不同，這就給確定恒星的化學(xué)成分奠定了依據(jù)。因?yàn)椴煌�的光譜圖形對應(yīng)不同的化學(xué)成分。也就是說光譜圖形和化學(xué)成分的一一對應(yīng)性。所以，我們可以推斷出，如果恒星的光譜圖形一致，那么它們所含的化學(xué)成分也應(yīng)該是一樣的。故B對。

這就是推理推斷題。題干多半含imply 或是 infer 這樣的詞。解題是根據(jù)例子合理推斷，但切記不要過度推斷。

通過上面的介紹想必大家對于如何對付這種托福聽力題型都有所了解了吧!以后如果在托�？荚嚶犃χ杏龅搅司湍苁值角軄砹�，祝大家能有一個好的托福聽力成績。

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