五年级上册英语Lesson 3《A computer has a keyboard》科普版.pptVIP

五年级上册英语Lesson 3《A computer has a keyboard》科普版.ppt

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1.Learn the new words: screen , mouse ,keyboard. 2.Learn the sentence:-----Does a TV have a screen? ------Yes,it does. Iam a cat. Are you a cat? Is this a dog? This is a dog. I can swim. I have a ruler. Do you have a ruler? Can you swim? screen A TV has a screen? 自学提示: 1.有be动词的如何变一般疑问句? 2.有情态动词的如何变一般疑问句? 3.没有be动词,情态动词,主语不是第三人称单 数怎么变?当主语是第三人称单数又如何变?, mouse Does a TV have a mouse? No,it doesnt. keyboard Does a TV have a keyboard? No,it doesnt. Does a computer have a screen? Yes,it does. Does a computer have a mouse? Yes ,it does. Does a computer have a keyboard? Yes,it does. 把下列句子改为一般疑问句并做肯定,否定回答。 1.He has a new friend. Does he have a new friend? Yes,he does./No,he doesnt. 2.She has a red cap. Does she have a red cap? Yes,she does ./No,she doesnt. 3.Tom has a white dog. Does Tom have a white dog. Yes,he does./No,he doesnt. 4. I have a football. Do you have a football? Yes,I do./No,Idont.

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