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如何用數(shù)學(xué)思維做托福的事實(shí)信息題?

知識(shí)點(diǎn)       時(shí)間:2021-02-07 17:07      

 

小時(shí)候被嘲諷數(shù)學(xué)不好,就誰(shuí)說(shuō)你的數(shù)學(xué)是體育老師教的嗎?對(duì)于國(guó)際課程老師來(lái)說(shuō),雅思,托福還真的能聊上一聊!

今天我們來(lái)聽(tīng)聽(tīng)如何用數(shù)學(xué)思維來(lái)做托福題!



曾老師
老師簡(jiǎn)介:畢業(yè)于加拿大多倫多大學(xué)金融數(shù)學(xué)與經(jīng)濟(jì)專(zhuān)業(yè)
曾獲得滑鐵盧歐幾里得數(shù)學(xué)競(jìng)賽Distinction證書(shū),以及美國(guó)AIMC數(shù)學(xué)競(jìng)賽獎(jiǎng)項(xiàng),擁有4年中英雙語(yǔ)教學(xué)經(jīng)驗(yàn);熟悉各個(gè)英美加的課程體系。對(duì)于AP、A-Level, IB數(shù)學(xué)、物理等科目有著自己獨(dú)特的理解和授課風(fēng)格。善于把握考試的重點(diǎn),能快速幫助學(xué)生找到不足并得到分?jǐn)?shù)的提高。 
用數(shù)學(xué)思維做托福
 
 
在托福考試?yán)锩婕?xì)節(jié)題又叫做事實(shí)信息題,這種題目的邏輯性很強(qiáng),而且每次都必考。
 
 
下面我們就說(shuō)說(shuō)如何用數(shù)學(xué)思維做事實(shí)信息題。
 
首先這一類(lèi)題型一定是每次考試一定會(huì)考的,平均每篇會(huì)出現(xiàn)大概3-5題左右。
 
 
需要學(xué)生有的快速閱讀定位能力精讀相關(guān)句子的能力,所以也就是說(shuō)既需要學(xué)生有快速的泛讀能力,也考察學(xué)生的句子分析能力。
 
 
這類(lèi)題目的題干通常是以這樣的形式出現(xiàn)的:
 
■According to the paragraph, which of the following is true of X?
 
■ The author’s description of X mentions which of the following?
 
■According to the paragraph, X occurs because…
 
■According to the paragraph, X did Y because...
 
■ According to the paragraph, why did X do Y?
發(fā)現(xiàn)小規(guī)律了嗎?
 
 
做題時(shí)我們可以試試以下的步驟:
 
■ 閱讀題干,找定位詞(關(guān)鍵詞)
■ 根據(jù)題干中的關(guān)鍵詞回原文中定位
■ 精讀定位詞所在句子。(通常1-2句話(huà))通常線讀定位詞所在的句子,然后讀其下一句,如沒(méi)有,就讀其上一句,依此類(lèi)推。
■ 正確選項(xiàng)為原文的同意替換項(xiàng)或者與原文一致
■ 題干-> 原文 -> 選項(xiàng)
 
比如我們來(lái)舉個(gè)例子:
 
■ Paragraph 4: Another major discovery was made in Egypt in 1989. Several skeletons of another early whale, Basilosaurus, were found in sediments left by the Tethys Sea and now exposed in the Sahara desert. This whale lived around 40 million years ago, 12 million years after Pakicetus. Many incomplete skeletons were found but they included, for the first time in an archaeocyte, a complete hind leg that features a foot with three tiny toes. Such legs would have been far too small to have supported the 50-foot-long Basilosaurus on land. Basilosaurus was undoubtedly a fully marine whale with possibly nonfunctional, or vestigial, hind legs.
 
The hind leg of Basilosaurus was a significant find because it showed that Basilosaurus
 
■ Lived later than Ambulocetus natans
■ Lived at the same time as Pakicetus
■ Was able to swim well
■ Could not have walked on land.
 
根據(jù)題干定位詞: the hind leg of Basilosaurus,快速定位到原文倒數(shù)第二句。
 
精讀之后發(fā)現(xiàn)并沒(méi)有提到題干中所需要解答的問(wèn)題的答案。然后我們來(lái)看下一句。下一句說(shuō)是這樣的腳太小了,無(wú)法支撐它在陸地上。顯然也并沒(méi)有答出題目的意思。
 
于是根據(jù)規(guī)則,我們繼續(xù)往下看一句。
 
 
下一句原話(huà)是說(shuō)這個(gè)劍龍無(wú)疑是一條完全海生的鯨魚(yú),后腿可能無(wú)功能或者殘留。A fully marine whal就是答案里面的could not have walked on land的同義替換
 
所以這道題選D。
做事實(shí)信息題的時(shí)候也一定要考慮定位詞怎么找,因?yàn)?strong>定位詞也可能被同義替換。
快翻出你的托福真題,來(lái)實(shí)踐這個(gè)邏輯方法吧!
 
 

 

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