Unit 1 How tall are you ? ½Ì°¸¼°½Ìѧ·´Ë¼(5)

¡¡¡¡2.A killer whale is ___¡¡ than a sperm whale in its size.

¡¡¡¡3.Asperm whale has 50 teeth.It has ___more teeth than a killer whale.

¡¡¡¡4 The length of a sperm whale¡¯s tooth is ____cm.

¡¡¡¡Then check the answers together.

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¡¡¡¡4¡£Listen to the tape and repeat twice .

¡¡¡¡Step4.Post¡ªreading

¡¡¡¡Make new dialogues£¨·Ö½ÇÉ«×ö¶Ô»°£©

¡¡¡¡A£ºHow long are you ?

¡¡¡¡B:¡¡ I¡¯m ¡­¡­¡­.

¡¡¡¡A:¡¡ How heavy are you ?

¡¡¡¡B:¡¡ I¡¯m ¡­¡­...

¡¡¡¡A:¡¡ How many teeth do you have?

¡¡¡¡B:¡¡ I have ¡­¡­¡­.

¡¡¡¡A:¡¡ How long is your tail?

¡¡¡¡B:¡¡ My tail is ¡­¡­¡­

¡¡¡¡A:¡¡ What is your food?

¡¡¡¡B:¡¡ I eat ¡­¡­¡­..

¡¡¡¡A:¡¡ What can you do?

¡¡¡¡B:¡¡ I can ¡­¡­¡­

¡¡¡¡ÏȽÌʦºÍѧÉúÒ»Æð×öʾ·¶£¬È»ºóÈÃѧÉúÖ®¼ä×ö¶Ô»°¡£

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¡¡¡¡Step5¡£Progress

¡¡¡¡T:This class we learnd something about the sperm whale and killer whale,do you want to know more about the whales?Now let¡¯s read the following passage,and do the exercises.

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¡¡¡¡ðv The whale is the biggest animal in the sea.Some whales can be 30 meters long,but some whales are only 1 meters long. The whales live in the water,and they can swim,they look like fish ,so we call them fish.But they are very different from the fish .The little whales drink their mothers¡¯ milk, they are mammals(²¸È鶯Î.Now the people kill£¨É±£© many whales every year.The number of the whales is less and less(Ô½À´Ô½ÉÙ£©. So we should protect the whales.