北师大版高中英语必修2学案Unit 4单词与短语.doc

单词与短语affect【归纳】affect是动词，意为：影响；指疾病侵袭（某人、某物），感染；使（某人）有悲伤或同情的感觉，感动。如：it is known that poor housing greatly affects educational achievement.its a disease which affects mainly older people.we were deeply affected by the news of her death.【即学即练】翻译下面句子。1. the area has been badly affected by pollution._2. he was deeply affected by my words._3. it is a disease which can affect anyone._crash【语境展示】阅读下面句子，并从a-f中找出与1-6中的crash相符合的词性及释义。1. can you hear the crash of dishes being dropped? 2. his elder son was killed in a car crash a few years ago.3. the great financial crash in 1929 ruined international trade.4. suddenly, the rocks crashed onto the car.5. the thunder crashed outside; i was afraid of going out alone.6. it is a pity that his business crashed last year. a. v. （指企业政府等）突然倒台，崩溃 b. n. 坠落（声），撞击（声），破裂（声） c. n. 撞车，（车辆等）碰撞 d. n. 崩溃，垮台，（尤指）倒闭，（证券市场）暴跌 e. v. 突然倒下，击（某物）发出声响 f. v. 发出巨响 【自我归纳】通过观察上面的句子可知，crash在以上各句中的词性及释义分别为：1_；2_； 3_； 4_；5_；6_。【即学即练】写出下面句子中画线单词的词性及中文释义。1. without warning, the tree crashed through the roof. _ _2. he was drunk when he crashed the car. _ _3. the tree fell with a great crash. _ _答案affect【即学即练】1. 这个区域已经严重地被污染影响了。2. 他被我的话深深打动了。3. 这是一种可以感染任何人的疾病。crash【自我归纳】1-6 bcdefa【即学即练】1. 动词；突然倒下 2. 动词；碰撞 3. 名词；坠落声 view【语境展示】阅读下面句子，并从a-f中找出与1-6中的view相符合的词性及释义。1. he views the whole thing as a joke.2. well go and view the house before we buy it.3. there was a wide view from the top of the hill.4. it might help us if lewis would give us his view.5. one excellent mountain view followed another during our journey.6. what are you viewing tonight? how about watching the nba together?a. v. 看待，持某种看法 b. v. 仔细察看或注视（某事物）c. v. 观看，看（电视节目）d. n. 风景，景色 e. n. 目光，视野 f. n. 看法，观点 【自我归纳】通过观察上面的句子可知，view在以上各句中的词性及释义分别为：1_；2_；3_；4_；5_；6_。【拓展】come into view 进入视野。如：finally, the ship came into view.give a view of sth. 使看到，使了解。如：the book will give you a general view of the world war.in ones view据某人看来。如：in my view, it was a waste of time. 【即学即练】翻译下面句子。1. what a beautiful view!_2. could you tell us your views on computer viruses?_3. the police decided to view the rooms behind the office._4. in my view, school holidays are not only too long but a