Unit 2 Is this your pencil?教案
step iv practiceshow the following exercises and ask students to finish them. a. choose the word that does not belong to the group.（選出下列不同類的一項。） 1. a. pencil b. pen c. ruler d. orange2. a. call b. ring b. baseball d. watch3. a. this b. that c. it d. yesb. complete the conversations with right words.（用適當?shù)脑~完成對話。）1. — what’s this? — it’s _____ _____ .
2. — is this a pencil? — no, it _____. it’s a _____ .
3. — is it a______ ? —yes, it is.
4. — is it a bag? — no, it isn’t. it’s _____ _____ .key: a. 1. d 2. b 3. d b. 1. a ruler 2. isn’t, watch 3. baseball 4. a book/ a dictionaryif time permits, check up the answers to the test.step v homework1. revise all the new words in this unit in your notebook.2. revise all the important sentences and write them in your notebook.3. write a bulletin board message.teaching resources 教學資源庫i. americans’ greeting and introduction americans often greet each other simply with “hello!” or “hi!”. they think such an informal greeting usually implies a close and friendly relationship. to americans, a friendly and informal relationship is very important. americans’ introductions are usually very simple. in the united states, most people don’t like using “mr.” “mrs.” or “miss” in introductions. they think these words too formal. they prefer first names to formal titles in most cases. for example, a man may say, “glad to meet you. i’m paul miller. but call me paul, please.” a woman may say, “don’t call me mrs. smith, please. just call me sally.” so when american friends call you by your first name, don’t feel they are impolite. they only want to show friendliness.ii. 學法指導英語單詞就像大樓的根基一樣重要。英語單詞很多，但英語單詞也有些規(guī)律可循，如果掌握其中的規(guī)律，就可聞一知十，觸類旁通。從構詞法來講，單詞的核心是詞根；前綴后綴都是有規(guī)律可循的。如：sharpener，詞根是sharp，從sharp到sharpener，其演變規(guī)律如下： sharp adj 鋒利的—sharpen v. 削尖—sharpener n. 卷筆刀 a. –en 用作動詞后綴(adj.+en—v.) 表示使…，使變成…，成為… 例如： wide 寬的—widen 拓寬 short 短的—shorten 使縮短 deep深的—deepen加深 b. –er 用作名詞后綴(v.+er—n.) 表示做某事的人或與某事物有關的事物或能做某事的事物，例如：read 讀—reader讀者 light點燃—lighter打火機 cut切—cutter切割機、刀具