必修2Unit4Wildlifeprotection.doc

Unit4 Wildlife protection 复****目标闯关要点名师讲解【重点单词】 2. affect vt. 1) 影响,侵袭;相当于 have an effect on 但多指一些负面影响。 The disease is beginning to affect her brain. 疾病逐渐侵袭他的大脑 2 )使感动,激起(悲伤、愤怒爱等情绪) We are deeply affected by his devotion to work. 他对工作的奉献令我们深深感动【点拨】辨析 affec t、 effect 、 influence affect vt. 表示“影响,(病) 侵袭”, 多指不好的影响。当 affect 的宾语是人时, 它表示引起心智上或感情上的影响,即“使---- 感动” effect 表示“影响”时,是名词, 指由于某种原因直接产生的结果, 常用于 have an effect on对……有影响 in effect 正在实行;实际上 side effect 副作用 take effect 开始实行;开始生效 without effect e into effect 生效,实施 bring/carry sth into effect 使……生效 be of no effect 无效果的等短语中。 I nfluence 多指对人的思想、观念、心理情绪等内在的东西产生潜移默化的影响, 或对人的决定、行为等造成某种程度的影响 The book had a great influence on his life. 这本书对他的人生影响很大。 He is, in effect, my rival. 实际上他是我的竞争对手。【即境活用】 Sichuan province ______by the earthquake , causing difficulties to the post-festival road transport. A. were affected B. was affected C. had effected D. has affected 【解析】 B 考查表示影响意义的词的辨析。 affect 为动词,意思是“影响;感动”; effec t 为名词,意思是“影响;效果”。按照句意选择 B。【重点短语】 1. die out 灭绝; (风俗****惯等)逐渐消失,消灭 It’s well-known that the custom has died out. 众所周知这种风俗已经消失啦。 Many animals have died out in the past .在过去几年间,许多动物都灭绝了【点拨】辨析 die from, die of, die out, die away, die down, die off die from 表示死于(枪)伤,虚弱,过渡劳累,饮食过渡等。 He died from the wound last year. 他去年死于枪伤 die of 表示死于疾病,饥饿,寒冷,年老,忧愁,失恋等精神因素。 He died of the hunger. 他死于贫穷饥饿。 die out “灭绝,消失”。多指物种的灭绝或风俗****惯的消失,强调动作的结束。 This kind of plant has already died out . 这种植物已经绝种 die away 慢慢消失。(多指声音、光线、风等)逐渐减弱,逐渐模糊,逐渐消失。强调过程 The wind had died away by dusk. 黄昏时分风停了 die down ( 多指火、兴奋、光线、暴风雨等) 逐渐变弱、平息, 逐渐暗淡, 逐渐降低。表示过程,常可与 die away 替换 The flames finally died down. (也可用 die away ) 火焰越来越小,最后熄灭了 die off (多指家族、草木)相继死去,先后死亡 The leaves of this plant are dying off. 这植物的叶子正在凋落。【即境活用】 Unfortunately, the soldier died____ a wound in the chess. A. from B. out C. off D. down 【解析】 A 考查 die 的短语搭配辨析。按照句意此处 soldier 死的原因应该是枪伤。 2. protect … from …保护…免受…- 后接较小的事情或危害, 例如: frost, harm, catching cold