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。

　　177. Galaxies are the major building blocks of the universe. A galaxy is a giant family of many millions of stars, and it is held together by its own gravitational field.

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

　　(A) intense

　　(B) principal

　　(C) lunge

　　(D) unique

　　178. The elliptical galaxies have a symmetricalelliptical or spheroidal shape with no obvious structure. Most of their member stars are very old and since elliptical are devoid of interstellar gas, no new stars are forming in them.

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

　　(A) proportionally balanced

　　(B) commonly seen

　　(C) typically large

　　(D) steadily growing

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

　　(A) discovered

　　(B) apparent

　　(C) understood

　　(D) simplistic

　　179. Their light was already halfway here before the Earth even formed. The light from the nearby Virgo galaxy set out when reptiles still dominatedthe animal world.

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

　　(A) threatened

　　(B) replaced

　　(C) were developing in

　　(D) were prevalent in

　　180. This meant that wagon freighting, stage coaching and steam boating did not come to an end when the first train appeared; rather they became supplements or feeders.

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

　　(A) extensions

　　(B) reformers

　　(C) dependents

　　(D) influences

　　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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