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。

　　381. The simple of these is the carbon dioxide from the respiration of an ant cluster, a chemical that acts pheromone to promote aggregation.

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

　　(A) organ

　　(B) activity

　　(C) group

　　(D) cycle

　　382. Fire ants also make use of an alarm pheromone to alert workers to an emergency, and their scouts lay down a trail pheromone as a guide during mass migrations.

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

　　(A) allow

　　(B) transport

　　(C) warn

　　(D) provide

　　383. A fire ant queen emits a chemical signal that identifies her to the colony's workers. They respond by scurrying to gather around her. The decomposing corpse of a dead ant also generates a signal, to which workers respond by eliminating the corpse from the nest.

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

　　(A) agreeing

　　(B) appearing

　　(C) competing

　　(D) rushing

　　384. Rivers also reveal clay along their banks, and erosion on a hillside may make clay easily accessible.

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

　　(A) buried

　　(B) improved

　　(C) available

　　(D) workable

　　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。

　　了解托福考试的信息