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课件网) Lesson3 A computer has a keyboard 科普版 五年级上 Lesson 3 A computer has a keyboard! Lesson3: Vocabulary:词汇 eye [a?] 眼睛 ear [??(r)] 耳朵 arm [ɑ?m] 手臂 nose [n??z] 鼻子 mouth [ma?θ] 嘴巴 hand [h?nd] 手 Lesson3: Vocabulary:词汇 screen [skri?n] 屏幕 mouse [ma?s] 鼠标,老鼠 keyboard [?ki?b??d] 键盘 Lesson3: Vocabulary:词汇检测 根据句子含义补全单词，使句意完整： Rabbits have two long e_____. The duck’s m _____is very big. This computer doesn’t have a k_____. I need a m_____ to click the screen. Her h _____ are thin. Lesson3: Vocabulary:词汇检测 答案解析： Rabbits have two long ears. The duck’s mouth is very big. This computer doesn’t have a keyboard. I need a mouse to click the screen. Her hands are thin. Lesson3: Let’s talk:速读与理解 (Q=Qiqi, E= Eve, C = Cat ) Q: Oh! You have a nice TV. E: No, it’s not a TV. It’s a computer. Q: But it looks like a TV. E: Yes. But a computer has a keyboard. Q: What’s that? E: It’s a mouse. Q: Does a TV have a mouse, too? E: No, it doesn’t. C: Where is the mouse? Let me catch it. E: Look! Here it is! Lesson3: Let’s talk 重点讲解 01 But it looks like a TV. 但是它看起来像一个电视机。 but: 但是，表示转折 look like..： 看起来像…， 其中 like为介词，表示“像…” 经典例题：A computer doesn’t have remote control（遥控器）,___ it has a mouse. A and B but C or 02 A computer has a keyboard. 电脑有键盘。 has: have的第三人称单数，表示一种客观拥有。 当主语是第三人称单数时，谓语动词用has. 经典例题： She _____(have) two big eyes. Lesson3: Let’s talk 重点讲解 03 What’s that? It’s a mouse. 那是什么？是鼠标。 用 this, that问，用it回答; 用these, those问，用they回答。 经典例题：Is that your book?（作肯定回答） _____ 04 Does a TV have a mouse, too? 电视机也有鼠标吗？ 一般疑问句，根据主语a TV为单数，故选助动词does. Does为助动词, 后面加动词原形，故为have. 其肯定句： A TV has a mouse. --主语前面加助动词Does, 动词单数has变have 经典例题： _____ she _____(play) computer games? She has a big mouth.（变一般疑问句）_____ Lesson3: Let’s talk 重点讲解 05 Let me catch it. 让我抓住它。 Let+人称代词宾格+动词原形。 否定句： Let me not catch it. 经典例题： Let _____(he) come back quickly. Here it is! 它在这里。 Here 引导的句子一般要采用倒装，例如 Here is a mouse! 但主语是人称代词主格时，不需要倒装， 例如 Here it is! 经典例题： Here _____(be) a book and two pens. Lesson3: Let’s talk：趁热打铁 单项选择题： 1. It _____a TV. A looks at B looks C looks like 2. What’s that? _____a mouse. A It’s B They’re C That is 3. Does a TV ____a mouse? A has B have C having 4. _____ your friends have a computer? A Does B Are C Do Let us _____a mouse. A buy B to buy C buying Lesson3: Let’s talk：趁热打铁 答案解析： 1. It _____a TV. A looks at B looks C looks like 2. What’s that? _____a mouse. A It’s B They’re C That is 3. Does a TV ____a mouse? A has B have C having 4. _____ your friends have a computer? A Does B Are C Do Let us _____a mouse. A buy B to buy C buying Lesson3: Let ... ...
