北京新航道致力于为广大考生提供托福培训以及托福考试资讯。近些年来，托福考试越演越烈，家长都希望送孩子出国深造，为了将来的发展和自身的锻炼。托福考试也几经变革，但是总也离不开听说读写几个部分。其中，词汇是基础，贯穿于始终，是一门语言的敲门砖，掌握好词汇是托福考试的步。为了地帮助考生记忆词汇，北京新航道小编为大家整理汇集了一些词汇练习题，正所谓实践出真知，希望大家在做题的过程中加强对词汇的理解和掌握。

　　241. The scientific investigation of an experience as private as consciousness is frustratingly beyond the usual tools of the experimental psychologist. This may be one reason that many researchers have shied away from the notion of mind and consciousness in nonhuman animals.

　　The phrase "shied away from" is closest in meaning to which of following?

　　(A) approached

　　(B) avoided

　　(C) respected

　　(D) allowed

　　242. Gallup' report of the experiment, published in a 1970 article, was a milestone in our understanding of animal minds, and psychologists wondered how widespread self- recognition would prove to be.

　　The word "milestone" is closest in meaning to which of following?

　　(A) significant development

　　(B) initial step

　　(C) universal concept

　　(D) obstruction to progress

　　243. Biological diversity has become widely recognized as a critical conservation issue only in the past two decades.

　　The word "critical" is closest in meaning to which of following?

　　(A) negative

　　(B) essential

　　(C) interesting

　　(D) complicated

　　244. The high rate of species extinctions in these environments is jolting, but it is important to recognize the significance of biological diversity in all ecosystems.

　　The word "jolting" is closest in meaning to which of following?

　　(A) predicted

　　(B) shocking

　　(C) unknown

　　(D) illuminating

　　上面是几道词汇题，大家都会了么?其实词汇掌握并不难，通过做题是的方法。在语境中体会词汇的用法才能掌握的更牢靠。祝大家取得好成绩。

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