2015-2016学年高中英语人教版必修一同步课件：Unit 4 Period 3.pptVIP

Ⅰ.将下列两个句子合为含有定语从句的主从复合句 1．This is the house.We bought it last year. →This is _______________________________________. 【答案】the house(that/which)we bought last year 2．He is man.I saw the man last night. →He is ________________________________. 【答案】the man(who/whom)I saw last night 3．The gifts were sent to Jack.They were expensive. →The gifts ____________________________. 【答案】that/which were sent to Jack were expensive 4．The house was built last year.Its windows face south. →The house _________________________________. 【答案】whose windows face south was built last year 5．The old man has two sons.Both of them are doctors. →The old man has two sons，_______________________. 【答案】both of whom are doctors Ⅱ.把下列句子改写成定语从句 1．I have a friend.He likes listening to classical music. 【答案】I have a friend who/that likes listening to classical music. 2．Yesterday Emily was wearing the new dress.I gave it to her. 【答案】Yesterday Emily was wearing the new dress (that/which)I gave her. 3．The students article was published.I know the student. 【答案】I know the student whose article was published. 4．Betty is studying English very well.She has never been abroad. 【答案】Betty，who has never been abroad，is studying English very well. 5．My grandparents live in a house.It is more than 100 years old. 【答案】My grandparents live in a house，which is more than 100 years old. 自然灾害 自然灾害既有地震、火山爆发、泥石流、海啸、台风、洪水等突发性灾害；也有地面沉降、土地沙漠化、干旱、海岸线变化等在较长时间中才能逐渐显现的渐变性灾害；还有臭氧层变化、水体污染、水土流失、酸雨等人类活动导致的环境灾害。这些自然灾害和环境破坏之间又有着复杂的相互联系。该话题涉及到动植物的保护、人与自然的和谐相处、自然规律、环境保护、全球变暖等问题。写作命题人员可能会从以下角度来命题： (1) 分析我国雾霾天气的频繁出现的原因及防护措施； (2) 如何加强野生动物资源保护，维护生态平衡； (3) 就如何治理大气污染发表看法； (4) 报道广州市政府为在雾霾天气出现后采取的一系列环保措施及效果。 一、必备短语 1．cut off the power/ electricity 电力中断 2．wash away buildings, roads and bridges冲走房屋、道路、桥梁 3．cause great damage /economic losses造成巨大损失/经济损失 4．stricken district/ area受灾地区 5．raise the awareness of environmental protection提高环保意识 6．environment-friendly products环保产品 7．take effective measures to do sth采取有效措施做某事 二、相关句式 1．Everyone should take the re