必修二Unit4第一导学案.docVIP

必修二Unit 4 第一课时 Teaching contents: Words and expressions Teaching Aims: Get the Ss to learn the useful new words and expressions in this unit. Develop Ss’ ability to use the important new words in this unit. Teaching important points: The pronunciation and the use of the new words. Teaching important and difficult points: The use of the new words and expressions. Teaching Procedures: StepⅠ.Read the new words. StepⅡ. Words and expressions learning. ★1. die out (家族、种族、习俗、观念等)灭绝，绝迹。Many old customs are dying out. 【拓展延伸】 1) die from “死于……因……而死”表示死于外伤、事故、劳累过度。2) die of “死于……因……而死”表示“死于……病”或冻死、气死，或死于过度悲伤。 die away (声音、风、光线等)渐息，渐弱。die down (兴奋、激动等情绪)渐弱；（慢慢）平息，平静下来。 die off （家族，种族等）相继死亡；（草木）枯死。 for sth. 渴望某想要某be dying to do sth 渴望做某事做某事 ①汽车的响声消失在远处。’m something to eat. ⑤随着年龄的增长他的亲人去了。As he grew older, his relatives all. 【答案】①died away ②dying out ③died from ④dying for ⑤died off ★2. in relief 如释重负；轻松地He returned home in relief when he got the news that had passed the exam. 【拓展延伸】 (1). relief from sth. 减轻……, …….的减轻,消除 e.g. The drug gives some relief from pain. (2). a relief（令人）如释重负或慰藉的人或事What a relief! 那就放心了。 　 It is a great relief to have rain after a long time of drought.长期的干旱之后有雨是一大慰藉. (3). to ones relief 令某人感到放心的是；使某人欣慰的是To the parents relief, their daughter was admitted into a key university . 【知识链接】 relieve vt.减轻,缓解 relieve sb. of sth.帮助某人减轻……的负担,解除某人的……职务 【即时练习】 (1)选择：She smiled _____ when she heard her son had escaped from the fire. A. in return B. in peace C. in relief D. in brief (2)完成句子: 使我们大为欣慰的是,孩子们都安全到家了。 　　　 , the children all arrived home safe. 【答案】(1) C (2) To our great relief ★3. protect ...from / against... “保护……免受……” e.g. ①You must learn to protect yourself from the danger. ②He’s wearing the sunglasses to protect his eyes from the strong sunshine. 【知识链接】protection n. 保护 …以抵御…（含有采取措施抵制进攻的意思） 【即时练习】 ⑴选择。 Use the umbrella to yourself from the rain. A. prevent B. protect C. defend