鍛煉邏輯思維提升GRE閱讀能力

　　通過對(duì)舊GRE考題和兩次改革后的樣題比較，我們可以很清楚的發(fā)現(xiàn)，新GRE閱讀的文字內(nèi)容，復(fù)雜程度有所降低。而邏輯復(fù)雜程度持續(xù)增加。這反映了ETS對(duì)于影響研究生階段學(xué)術(shù)成功的基本能力的更為深入的把握。實(shí)際上GRE考試閱讀文章難度，略高于北美研究生所需閱讀文章難度，采用這種形式的文章，主要目的是模擬較高難度下研究生閱讀的情景，以期能夠測(cè)出學(xué)生的潛力，這個(gè)思路有點(diǎn)類似于我們常說的壓力面試。

　　Policymakers must confront the dilemma that fossil fuels continue to be an indispensable source of energy even though burning them produces atmospheric accumulations of carbon dioxide that increase the likelihood of potentially disastrous global climate change. Currently, technology that would capture carbon dioxide emitted by power plants and sequester it harmlessly underground or undersea instead of releasing it into the atmosphere might double the cost of generating electricity. But because sequestration does not affect the cost of electricity transmission and distribution, delivered prices will rise less, by no more than 50 percent. Research into better technologies for capturing carbon dioxide will undoubtedly lead to lowered costs.

　　1. The passage implies which of the following about the current cost of generating electricity?

　　It is higher than it would be if better technologies for capturing carbon dioxide were available.

　　It is somewhat less than the cost of electricity transmission and distribution.

　　It constitutes at most half of the delivered price of electricity.

　　It is dwelt on by policymakers to the exclusion of other costs associated with electricity delivery.

　　It is not fully recovered by the prices charged directly to electricity consumers.

　　對(duì)黑色部分文字的邏輯進(jìn)行提煉我們發(fā)現(xiàn)，得出這樣一個(gè)邏輯推理鏈條。

　　環(huán)保技術(shù)(technology that would capture carbon dioxide emitted by power plants and sequester it harmlessly underground or undersea instead of releasing it into the atmosphere)增加一倍發(fā)電成本(double the cost of generating electricity)。環(huán)保技術(shù)不改變傳輸成本(the cost of electricity transmission and distribution)。最終價(jià)格(delivered prices)增加不超過50%。

　　最終價(jià)格=發(fā)電成本+傳輸成本使用環(huán)保技術(shù)后，發(fā)電成本增加了原來的一倍，但是最終價(jià)格增長(zhǎng)不超過50%，可以得出結(jié)論，發(fā)電成本，最多占最終價(jià)格的50%。

　　以上文字同傳統(tǒng)GRE考試文章比起來，語言難度不大。難度來自于邏輯復(fù)雜，尤其是在有較大的時(shí)間壓力的情況下，能夠快速清晰的得出結(jié)論，并不容易。

　　針對(duì)新GRE的準(zhǔn)備思路國內(nèi)大學(xué)生，在邏輯思維方面訓(xùn)練不多，新GRE的.考試正好考到了學(xué)生的弱點(diǎn)。如果準(zhǔn)備新GRE考試，建議加強(qiáng)兩方面訓(xùn)練。

　　1、 英文閱讀過程中，快速歸納邏輯鏈條的能力。很多學(xué)生閱讀仍然停留在翻譯的階段，這在新GRE中會(huì)帶來很大的麻煩。

　　2、 增強(qiáng)邏輯思維訓(xùn)練，GRE本質(zhì)來講，是對(duì)英語為母語者的能力考試�？疾爝壿嬎季S的敏捷程度，嚴(yán)謹(jǐn)程度，是這個(gè)考試的本質(zhì)。

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