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1、Section B第4课时（2a2d）类别学习重点重点单词nowadays, search, among, crayon, shame, regard, count, century, opposite, especially, childhood, consider, hold重点短语according to, regardwith,a symbol of, search for, in ones opinion, close to重点句式1. Millions of Chinese leave the countryside to search for work in the cities
2、.2. Many people like Zhong Wei regard with great interest how their hometowns have changed.课前预习写一写1.现今；现在;目前 nowadays 2.搜索；搜查search3.在（其）中；之一among 4.羞耻；惭愧 shame5.将认为；看待regard 6.数数count7.百年；世纪 century8.对面的；另一边的；与相对opposite9.尤其；特别；格外especially 10.童年；幼年childhood11.注视；仔细考虑consider 12.拥有；抓住hold13.彩色铅笔 cr
3、ayon译一译1.依据；按照according to 2.的标志/象征a symbol of3.搜寻search for 4.几乎；接近close to背一背1.数百万的中国人离开农村到城市去寻找工作。Millions of Chinese leave the countryside to search for work in the cities.2.很多人像钟伟一样，以极大的兴趣关注着家乡的变化。Many people like Zhong Wei regard with great interest how their hometowns have changed.新课导入Teacher
4、: Our hometowns have changed a lot recently. Think of changes that are happening in our hometowns. And discuss the changes with your partner.新课展示新课展示【完成教材2a2b的任务】1.首先回答2a中的三个问题，然后快速阅读2a短文，看看自己的答案是否和文中答案一致。2.认真阅读短文，从短文中找出意思一样的单词或短语来替代2b中的单词和短语，完成后请学生说出答案，教师点拨。3.再次细心阅读短文，理解每一句话的意思，小组合作解决遇到的疑难问题。4.教师点拨
5、短文中出现的重点和难点。5.熟读短文，识记并背诵知识要点。【完成教材2c2d的教学任务】1.认真阅读2a中的文章，用文章中的单词来补全2c中的短文，注意单词形式的变化，完成后请学生展示答案，教师点拨，然后学生大声朗读短文。教学说明：通过2c环节锻炼了学生对文章的总结概况能力，同时对2a短文有了更深刻的理解；2d环节锻炼了学生的口语表达能力。2.两人一组互相谈论家乡的变化，指出哪些变化是好的，哪些变化是不好的，并说说原因。【语法提要】1.search forsearch for意为“寻找”，相当于look for，其后接要寻找的事物或人。例句：You can search for various
6、 jobs online.你可以在网上寻找各种各样的工作。The police searched for the missing men.警察搜寻了那些失踪者。2.46-year-old46-year-old是“基数词+名词单数+形容词”构成的合成形容词，各单词之间用连字符连接，只能作定语。例句：She has a three-year-old daughter.她有一个3岁的女儿。This is a 20-meter-tall building.这是一栋20米高的楼。“基数词+years old”也意为“岁的”，各单词之间无连字符，只能作表语。“基数词+名词单数”中间用连字符连接，也可以构成
7、合成形容词，只能作定语。例句：They live in a three-room apartment.他们住在一所有三个房间的公寓里。3.according toaccording to 意为“依据，按照”，其中to 是介词，后可接名词、代词或从句。例句：He divided the students into three groups according to age.他把这些学生按年龄分成三组。According to what he said, it was a good thing.根据他所说的话，那是件好事。4.holdhold作动词，意为“拥有；抓住”。其过去式和过去分词均为hel
8、d。例句：He holds 30% of the shares of that company.他拥有那家公司30%的股份。They held me so that I could not move.他们抓住了我，我一点儿也动弹不了。与hold相关的其他短语：（1）hold up 举起，阻挡例句：He held up his hand in amazement.他惊讶地举起了手。（2）hold on 抓住，继续，坚持例句：He held on (to the rock) to stop himself slipping.他紧紧抓住(岩石)以免自己往下滑。（3）hold out 伸出，坚持例句：
9、How long can we hold out against these attacks? 我们对这些攻击能抵抗多久?5.in ones opinionin ones opinion in the opinion of sb.意为“依某人看”。例句：In his opinion, you should accept this job.依他看，你应该接受这份工作。【问题探究】1.（四川德阳中考）I dont believe that this C boy can paint such a nice picture.A. five years old B. five-years-old C.
10、five-year-old2. The police spent a week D the lost child.A. search B. search for C. searching D. searching for3. B a moment and I will go to your rescue.A. Go on B. Hold on C. Move on D. Carry on4.根据汉语意思完成句子。依我看，最好给我们的老师做些卡片。In my opinion, its best to make some cards for our teachers.活学活练1. They reg
11、arded those homeless children D great sympathy.A. for B. to C. about D. with2. He tells me he B China for over five years.A. has been B. has been in C. has been to D. has gone to 3. C my opinion, its enough for a family to have one child.A. To B. On C. In D. For4. Where is your father? He B Australi
12、a and he Sydney for two weeks.A. has been to; has been in B. has gone to; has been inC. has been in; has been to D. has gone to; has been to5. Have you ever been to Shanghai?Yes, I B.A. do B. have C. was D. did布置作业：教师引导学生课后完成本课时对应练习，并预习下一课时内容。教学反思本课时涉及到了家乡，引导学生发现家乡的变化，贴近学生现实生活，能引起学生的表达欲望和学习兴趣。教学过程中老师的疑问：教师点评和总结：教学说明：由家乡的变化入手，贴近学生现实生活，易于引起学生的表达欲望和学习兴趣。教学说明：通过本环节的学习锻炼了学生的阅读能力，而且学生也对重点知识点进行了巩固。7
