2016暑假英语四级词汇练习题及解析(55)

　　词汇在英语四级备考中可谓是一大关键，从接触英语开始我们就在接触词汇，对于词汇的学习也不是一天两天就能结束的，考生要想为考试做好充分的准备，必须要有未雨绸缪的思想才行，词汇是一个长期积累的知识，这就需要考生提早做准备，下面是一些英语四级词汇练习题，这个暑假可以练习一下。

　　1.Being ignorant of the law is not accepted as an ________ for breaking the law.

　　A) excuse

　　B) intention

　　C) option

　　D) approval

　　2.Within two days, the army fired more than two hundred rockets and missiles at military ________ in the coastal city.

　　A) goals

　　B) aims

　　C) targets

　　D) destinations

　　3.It is said in some parts of the world, goats, rather than cows, serve as a vital ________ of milk.

　　A) storage

　　B) source

　　C) reserve

　　D) resource

　　4.“This light is too ________ for me to read by. Don’t we have a brighter bulb some where”; said the elderly man.

　　A) mild

　　B) dim

　　C) minute

　　D) slight

　　5.We have arranged to go to the cinema on Friday, but we can be ________ and go another day.

　　A) reliable

　　B) probable

　　C) feasible

　　D) flexible