1,Being ignorant of the law is not accepted as an ________ for breaking the law.
A) excuse
B) intention
C) option
D) approval
excuse:v. 原谅,申辩,做为...的托辞;n. 致歉,理由
intention:n. 意图,目的,观念
option:n.意见,见解;主张;评价
approval: n. 赞成,承认
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
goal:n. 目标,终点
aim:n. 目的，目标，瞄准，针对;vi. 目的在于，企图，瞄准，对准;把…瞄准，把…对准
target:n. 靶子，目标，(嘲笑、批评、轻蔑等的)对象，目标，拟达到的总数指标
destination:n. 目的地，终点，目的，目标
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
vital:a. 重要的,充满活力的,生死攸关的
storage:n. 贮藏，存储，存储器
source:n. 根源，来源，出处n. 根源，来源，出处
reserve:n. 预备品,贮存,预备舍;v. 保留,预订,延期
resource:n. 资源,策略,机智
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
mild:a. 温柔的，文雅的，轻微的，不重的，(烟、酒)味淡的
dim:a. 暗淡的,模糊的;v. 使...暗淡;
minute:微小的;琐细的;详细的;精密的
slight:a. 少许的，稍微的;vt. 轻视
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
reliable:a. 可靠的,可信赖的
probable:a. 很可能的，大概会的，有希望的，有可能是真实的
feasible:a. 能实行的,可行的,适宜的
flexible:a.可弯曲的,易弯曲的;柔韧的;有弹性的;柔顺的,温顺的;可变通的;灵活的;易适应的
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