河口一中高二英语导学案(词义猜测)

1、河口一中高二英语导学案阅读理解之猜测词义时间：2010年4月23日 主备：高二英语组教学目标：探究并掌握阅读理解猜测词义的方法，提高阅读效率。教学重难点：猜测词义方法的探索及应用。教学策略：任务型语言教学法、合作学习教学法、情感激励教学法等。Step1 Lead-in想一想（自由讨论）1.大家在阅读中存在的难点是什么？ 2.你是怎样处理阅读中的生词的？3词义猜测题常用的提问方式有哪些？ 4.常见的猜测词义方法有哪些？Step2 Exploring 1. Definition 定义法： 一般通过定义、定语（从句）或同位语（从句）来确定词义。It will be very hard but very brittle that is , it will break easily.The herdsman , who looks after sheep, earns about 650 yuan a year.2. Contrast 对比法： 利用文中的反义词以及表对比关系的词（组）猜测词义。 表示对比的词有but、while、however、 otherwise等。Most of us ag

2、reed, however, Bill dissented.She is usually prompt for all her classes, but today she arrived in the middle of her first class.A.on time B. late C. slowly D. quickly 3. Similarity 相似法：利用同义词、近义词或词组猜测词义。Cleaning up waterways is an enormous task .The job is so large, in fact, that the government may not be able to save some of the rivers and lakes which have been polluted.4. Cause and Effect 因果法：从原因推测结果，从结果推测原因。One who is destitute has a great need for food and clothing. That museum is so immense

3、that it will be impossible to see all the exhibits in one day. 5. Example 例举法：利用文中的举例猜测词义。常见的举例的提示词有for instance, for example, such as等 。Today young couples often spend lots of their money on appliances, for instance, washing machines, refrigerators and color televisions.6. Word Formation 构词法： Can you guess the right meanings?superman microwave nonnatural mispronouce homeless nonsmoker rebuild eastwards Eg. Im going to buy a microbus. 7. Context 上下文：利用语境及前后的提示来猜测词义。 1) He sounded quite nervous a

4、nd he had been talking for a minute or so before I understand anything. Even then all I could make out was that someone called Milly had had a very bad accident. A. see clearly B. understand C. expect2）Tom saw an owl in a tree last night but it flew away when he got nearAa bird Ban animal C. a star3）The children are looking at a large, hairy ape at the zoo Aa kind of monkey Ba kind of tree Ca kind of bird8. Common sense 普通常识：根据普通常识和生活经验来猜测词义。When a doctor performs an operation on a patient，he us

5、ually gives an anesthetic to make himunconscious，because he does not want his patient to feel pain or to know what is happening to him.Step3 Inquiry-based Activities (I) Can you guess the correct meanings of the following words?1. There are some glaciers moving down the mountain valleys. A glacier is a river of ice. A. 雪山 B. 树枝 C. 冰河 D. 冰2. He is a resolute man. Once he made up his mind to do something, he wont give it up halfway. A. weak B. firm C. kind D. clever3. Mr. Brown is now working at P

6、rinceton University far away from home. For this reason he has to rent a room near the office where he works. A. 租用 B. 借出 C. 购买 D. 参观 4. The official asked the man what his occupation was. The man told him that he worked as an engineer. A. work B. study C. name D. interest 5. The old woman has a strange habit to keep over 100 cats in her house. Her neighbor all call her an eccentric lady. A. 爱猫的 B. 古怪的 C. 闲不住 D. 动物保护主义者 6. In many countries there are two financial extremes, from penury to great

7、wealth. A. 便士 B. 温饱 C. 非常贫困 D. 虚弱 7. Mrs. Smith is loquacious while her husband is the silent type. A. 活泼的 B. 好动的 C. 多嘴多舌的 D. 可爱的 8. Those new comers were not used to the life in the suburbs which was so different from that inside the city. A. town B. capital C. countryside D. house 9. This boy is not stupid, on the contrary, no one could be more intelligent. A. 勤奋的 B. 愚蠢的 C. 聪明的 D. 情报10. Children are always boasting. They say things like “My Dads car is bigger than your Dads,” “My Mom is smarte

8、r than yours.” and “My family has more money than yours.”The word “boasting” means _.A. 骄傲 B. 吹牛 C. 顽皮 D. 幼稚Step4 Inquiry-based Activities (II) Passage 1 Tens of thousands of baby penguins face starvation after two giant icebergs broke off the Antarctic ice sheet and blocked their parents road to the feeding areas. Adeline and emperor penguins nesting on the Ross island rookeries are now forced to walk long distances over the icebergs to obtain food for their chicks, born during the November-Dec

9、ember breeding season.What does the underlined word “obtain” probably mean?A. eat B. get C. sell D. buyPassage 2 A mans position among the black-tent people depends on his ancestors, relatives, and fellow tribesmen. If they are honored, he is also honored. If they are disgraced, he too is disgraced. Therefore one carefully guards the honor of his family, his lineage(宗系), and his tribe.The word “disgrace” means _ in this text.A. honor B. endanger C. proud D. shame Passage 3 The ruler had been so cruel and dishonest that after the revolution he was banished. A few members of the Senate(参议院) opposed this decision, but th

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