在
lessen 减少, 变得更小
enrich 使丰富, 使充实
recession (经济)不景气
redundant 冗余的
29. He believed that the greatest of his ______ was that he'd never had a college education.
A. griefs B. misfortunes C. disasters D. sorrows
grief 悲伤
brief 简洁
relief 缓解
bleary 模糊的
blight 使枯萎
misfortune 不幸、灾祸
mislead误导
mistake错误
disaster 灾难 敌人把他砸死了
sorrow 悲伤、悲痛、懊丧
sorry 遗憾的
sob 哭泣 骚包在哭泣
subtle 敏锐的、敏感的
30. Although most birds have only a negligible sense of smell, they have _____ vision.
A. vigorous B. exact C. acute D. vivid
vigorous 精力旺盛的, 有力的, 健壮的
exact 确切的, 精确的, 准确的
vivid 生动的, 形象的, 鲜明的
acute 敏锐的
vision 视力, 眼界
UNIT 3
1. By moving the radar beam around slowly in circles, we can _____ the surroundings.
A. explore B. expose C. exploit D. addle
addle 混乱的、糊涂的 挨逗的感觉
addle egg 变坏了的蛋
explore 开发、研究、探索
expose 暴露
exploit 开发、剥削
explode 爆炸
lodestar 北极星
the exploited 被剥削者
2. The lady dressed in the latest Paris fashion is ______ in her appearance but rude in her speech.
A. elaborate B. excessive C. elegant D. exaggerated
elegant 优雅的、优美的 露大腿走来走去
race比赛 brace背带 grace优雅 trace v.追踪;n.足迹
口诀：只有race是比赛，baby(b)比赛用背带，哥哥(g)比赛真优雅，跟他(t)比赛是追踪
graceful优雅的 gracious谦虚的，谦恭的
elaborate 详细规划、详细设计、精心制作
collaborate 合作 共同劳动
excessive 过度的、过分的
exaggerate 夸张、夸大 有个下鸡蛋的速度又被夸大了
rude 粗鲁的、原始的
rude表示“原始”
crude原始的
rudiment 基本原理 rudimentary基本的