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。
321. A third process by which salinity may be altered is associated with the formation and melting of sea ice. When seawater is frozen, the dissolved materials are left behind.
The word "altered" is closest in meaning to which of following?
(A) determined
(B) changed
(C) accumulated
(D) needed
322. With encouragement from the park, local landowners initiated a land-use planning effort to guide the future of the North Fork.
The word "initiated" is closest in meaning to which of following?
(A) started
(B) requested
(C) purchased
(D) considered
323. The willingness of local landowners to participate in this protection effort may have been stimulated by concerns that Congress would impose a legislative solution.
The word "stimulated" is closest in meaning to which of following?
(A) motivated
(B) anticipated
(C) substituted
(D) undermined
324. Nevertheless, many local residents want to retain the existing the character of the area.
The word "retain" is closest in meaning to which of following?
(A) preserve
(B) possess
(C) enjoy
(D) improve
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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