九年级英语全册 Unit 8 第5课时Section B2a2e教案 新版人教新目标版.docx

1、九年级英语全册 Unit 8 第5课时Section B2a2e教案 新版人教新目标版 Unit 8 It must belong to Carla第5课时 Section B（2a 2e）I. 知识目标类别课时要点重点单词1. express v. 表示，表达； 2. receive v.接受，收到。 3. medical adj.医疗的，医学的 4. prevent v. 阻止，阻挠重点词组1. express a result 表示一种结果 2.give a choice 提供一个选择 3. add information 添加信息 4. the historical place 历史遗

2、迹5. the greatest mystery 最大的奥谜 municate with 与交流 7. point out 指出 8. in a certain way按某种方式 9. prevent illness防止疾病 10.honor ancestors祭奠祖先 11. celebrate a victory 庆祝胜利 12. over a long period of time 经历很长一段时间 重点句式1. However, historian Paul Stoker thinks this cant be true because Stonehenge was built so

3、many centuries ago. 然而历史学家，保罗，斯托克认为这不可能是真的因为巨石阵是在许多世纪以前建造的。2. Another popular idea is that Stonehenge might be a kind of calendar. 另一种流行的说法是巨石阵可能是一种历法。3. Most agree that the position of the stones must be for a special purpose.大多数人都同意这些石头的位置一定是为了某种特殊的目的。4. Most historians believe it must be almost 5

4、.000 years old. 大多数历史学家相信它一定有将近五千年了。5. Perhaps we might never know, but we do know they must have been hardworkingand great planners!或许我们永远也不可能知道，但对我们确知道他们一定是勤劳并且伟大的规划者。II. 课堂环节自主学习方案【新词自查】根据句意和提示完成句子。1. The man drew a circle(圆圈)on the ground and made the boy stand in it.2. The woman always give us

5、some little gifts for a certain purpose (目的地)。3. We should do something to prevent (阻止)them from polluting the river.4. The soldiers are singing and dancing to celebrate their victory (胜利)。5. The laziness is one of our biggest enemies (敌人) on the way of learning English.课堂导学方案Step 1 2a 情景导入（参考案例）1.

6、情景导入：本文是一篇说明文，在学习短文之前教师可参照2a准备几个与短文内容相关的问题，然后邀请几位同学就提出的问题给出自己的答案或见解。（4分钟）Question:1.How many mysteries do you know in China? _2. How many mysteries do you know in the world? _Step 2 1. 要求学生快速默读短文，熟知大意，并找出各段的主题大意。 然后邀请几位同学给出自己的答案，全班一起检查讨论。（3分钟）2. 先邀请几位同学阅读短文（可一人一段），教师要注意语音，及时纠正。然后播放录音，全班同学一起跟读。（3分钟）S

7、tep 3 完成教材2c-2e的任务通过学生反复阅读短文，限时独立完成所给问题，使学生循序渐进地了解文章大意，训练筛选信息的能力，感知重要的知识点，直至综合语言，深入了解文章，培养学生的全面素质。1.让学生再细读短文, 回答2c的表格.（3分钟）式化2. 在2a表格中选择恰当的连词完成2d所给的句子。给出5分钟的时限，并请5位同学朗读自己的句子，全班集体核对答案。1. when 2, because 3. not only, but also 4. or 5. however4. 让学生分组先讨论2e的问题：Can you think of any other mysteries, eithe

8、r in China or another part of the world, that are similar to Stonehenge?What do you know about these mysteries?What is mysterious about them?环节说明：将听、说、读、写的任务结合起来不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。当堂评价方案（详见当堂训练部分）备课资料包a.词汇包1. prevent v. 阻止，阻挠。prevent, 及物动词，可是直接带宾语，表示阻止，禁止做某事；指采取预防措施或设置障碍去阻止某人或某事;常

9、用短语是：prevent sb from dong sth 阻止某人做某事；类似用法还有：stop/keep sb from doing sth.【备课例句】We must prevent the water from being polluted.我们应当阻止水被污染。【课堂变式】1.This will help prevent the children _the disease. A. catch B. to catch C. from catching D. catching【解析】prevent sb from dong sth 意为“阻止某人做某事”；故选C。b. 句式包：Stone

10、henge, a rock circle is not only one of Britains most famous historical places but also one of its greatest mysteries. 巨石阵，一个由巨石组成的圆圈，不仅是英国最著名的历史名胜而且是最大的秘团之一。(1)“not only but also ”是一个并列连词词组，其意思基本等于“both and ”，但侧重点放在but also上。它可连接两个相对称的并列成分。连接两个主语时，谓语动词与后面的主语保持一致。【备课例句】Not only the students but also

11、 their teacher wants to see this film. 不仅学生们而且他们的老师也想看这部电影。（连接两个主语） I not only play tennis but also practice shooting. 我不仅打网球，而且练习射击。（连接两个谓语动词）He plays not only the piano but also the violin.他不但弹钢琴，而且拉小提琴。（连接两个宾语）They speak English not only in class but also in the dormitory. 他们不但在班上而且在寝室里说英语。（连接两个地

12、点状语）Our monitor is not only clever but also hard-working. 我们的班长不但聪明，而且勤奋。（连接表语）(2) not only只能连用，而but also既可连用，也可分开用。He speaks not only English, but also French. 他不仅说英语，还说法语。 Television is not only boring, but it also wastes a lot of time. 电视不仅乏味，而且还浪费许多时间。 She was not only compelled to stay at home,

13、 but she was also forbidden to see her friends. 她不仅被强迫蹲在家中，而且被禁止去看朋友。 【备课例句】 (3) not only 位于句首时，第一个分句中的主语和谓语要部分倒装。【备课例句】Not only does the sun give us light but also it gives us heat.太阳不仅给我们带来光明而且给我们热量。(4) not only A but also B = B as well as A， 但前者的强调重点在 B ；后者的强调重点也在 B .（汉译时，要先译 as well as 后面的词）。【备课

14、例句】The child is not only healthy but also lively. （ = The child is lively as well as healthy. ）这孩子既健康又活泼。 【横向辐射】bothand& eitheror 1.bothand意为“不但而且；既又”，相当于not onlybut also，用来连接两个对等的成分，当它连接两个并列主语时，谓语动词要用复数形式。如：He can both draw and sing. 他既会画画，也会唱歌。Both my mother and my father like playing computer gam

15、es. 我爸爸和妈妈都喜欢玩电脑游戏。2.eitheror 意为“或者或者、要么要么”，neithernor意为“既不也不”，它们都可用来连接两个在语法功能上相同，在结构上相称的并列成分。当它们连接两个并列主语时，谓语应与or或nor后面的主语在人称和数上保持一致。如：Neither Tom nor Sam has the ticket for the film. 汤姆和萨姆都没有电影票。Either you or I am right. 不是你对，就是我对。【课堂变式】1.Do you think most of the people in Beijing can talk with foreigners in English? Yes, I think so. _ the young _ the old are learning to speak English.A. Either; or B. Neither; nor C. Between; and