GRE是一個(gè)選拔性考試，ETS的職責(zé)是幫助大學(xué)研究生院把適合學(xué)術(shù)研究的、推理能力強(qiáng)的人才選拔出來(lái)。這一點(diǎn)就決定了GRE填空的同義重復(fù)和反義重復(fù)不能過(guò)于直白，也就是說(shuō)，ETS必然要在遵守規(guī)則的前提下尋求變化。

　　ETS所尋求的變化，在反義重復(fù)方面變化空間并不大，無(wú)非是把詞匯變得難一些，因?yàn)閷?duì)立二分的概念還是很容易分辨的。在同義重復(fù)方面，ETS的變化空間就要大得多，因?yàn)橥瑯右粋€(gè)意思可以用很多的方式來(lái)表達(dá)。這就需要我們具有更強(qiáng)一些的語(yǔ)言功底和主動(dòng)尋找的意識(shí)。

　　舉例說(shuō)明：找出兩對(duì)同義詞。

　　37.5. Although some consider forcefulness and persistence to be two traits desirable to the same degree, I think that making a violent effort is much less useful than maintaining a steady one.

　　58.3. Joe spoke of superfluous and vital matters with exactly the same degree of intensity, as though for him serious mattered neither more nor less than did trivialities.

　　9.2. A perennial goal in zoology is to infer function from structure, relating the behavior of am organism to its physical form and cellular organization.

　　11.7. When theories formerly considered to be disinterested in their scientific objectivity are found instead to reflect a consistent observational and evaluative bias, then the presumed neutrality of science gives way to the recognition that categories of knowledge are human construction.