晨背系列二阅读中的常见词汇(一)依据前后缀归类记单词[前缀——置于词根之前并改变原词义的构词成分] 1．否定前缀[un]uneasy 心神不安的 unfortunately 不幸地unhealthy 不健康的 unnecessary 不必要的unwise 不明智的 ①I felt uneasy at the presence of so many strangers.面对这么多陌生人，我感觉很不自在。②Unfortunately, the disastrous effects of the drought were felt all over the country.不幸的是，干旱的灾难性影响遍及全国各地。③Although sparrows showed no sign of declining, the chain was generally in an unhealthy state.虽然麻雀数量没有减少的迹象，但食物链还是总体处于不健康的状态。[non]nonprofit 非营利性的 nonliving 无生命的nonserious 不要紧的 nonverbal 非言辞的 ①An ecosystem consists of the living and nonliving things in an area that interact with one another.生态系统包括同一地区内相互影响的生物和非生物。②In fact, one of the best definitions of a sense of humour is “the ability to see the nonserious element in a situation”．事实上，关于幽默感的最好的定义之一就是“能看到情况还没那么糟糕的能力”。 [im (in， ir)]impatience 不耐烦 impossible 不可能的improperly 不适当地 impractical 不现实的independence 独立 irregularly 不规则地 ①A serious study of physics is impossible without some knowledge of mathematics.不了解数学就不可能深入研究物理。②Free repair is available for a product used improperly in the first year.产品因使用不当而造成的损坏，第一年可享受免费维修。[dis]distrust 不信任 disability 残疾discourage 使气馁 disappointed 失望的disagree 不同意 disuse 废弃 ①The researchers said that unhealthy lifestyle was related to a greater risk of disability.研究人员说不健康的生活方式与致残风险增加有关。②Do not let any failures discourage you.1别让任何失败使你一蹶不振。③They made some experiments in a house disused for years.他们在一间废弃多年的屋子里做了一些实验。2．错误前缀[mis]misunderstand 误解 mistake 错误miscalcula...
