新GRE阅读练习题7

　　Over a period of several months, researchers attached small lights to the backs of wetas—flightless insects native to New Zealand—enabling researchers for the first time to make comprehensive observations of the insects' nighttime activities.Thus, since wetas forage only at night, the researchers' observations will significantly improve knowledge of the normal foraging habits of wetas.

　　Which of the following is an assumption on which the argument depends?

　　(A) Researchers were interested only in observing the wetas' foraging habits and so did not keep track of other types of behavior.

　　(B) No pattern of behavior that is exhibited by wetas during the nighttime is also exhibited by wetas during the daytime.

　　(C)Attaching the small lights to the wetas' backs did not greatly alter the wetas' normal night- time foraging habits.

　　(D)Wetas typically forage more frequently during the months in which the researchers studied them than they do at other times.

　　(E)The researchers did not use other observational techniques to supplement their method of using small lights to track the nighttime behavior of wetas.

　　答案：C

 

新GRE阅读练习题的延伸阅读——GRE阅读技巧详解

 

　　GRE阅读技巧：宏观中的“必读”与“不读”

　　所谓宏观，即使明确文章结构。再清楚一点说，即使我们要知道主题句的所在位置以及每段大意。

　　让我们今天来了解一下什么是主题句，ETS的阅读文章中主题句通常会以什么形式出现。和中国考生自己写作文不一样的是，美国人的阅读文章中从来都不出现“I think that， in my opinion， as far as I am considered”此类语言做主题句。通常来说美国人的主题句有两种形式：

　　主题句两种形式：

　　1. 判断句(含情态动词，系动词，正负褒贬词的句子)；

　　2. 概括文章将来结构。

掌握好了主题句判断方法，很多文章学生便可以很快把握文章的结构框架，帮助后面文章的理解。