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I can see_______.

I can see_______. Lesson 3 Cats and Humans. It’s_______. It has_____. It can_____. 47. Let’s talk. 55. same 相同. Humans. Cats. Cats have______. Humans have____, too. Cats can______. Humans can____, too. Discuss in 4. difference 不同. Cats. Humans. 00.

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I can see_______.

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  1. I can see_______.

  2. Lesson 3 Cats and Humans

  3. It’s_______. It has_____. It can_____. 47

  4. Let’s talk 55 same 相同 Humans Cats Cats have______. Humans have____, too. Cats can______. Humans can____, too.

  5. Discuss in 4 difference不同 Cats Humans 00

  6. Humans have____. Cats have______. body parts

  7. walk

  8. eat

  9. Cats can______. （猫能做什么） Humans can______. (人能做什么)

  10. rules 规则 • 1、Discuss in 4, finish the Venn diagram. • 2、One is recorder. • 3、Recorders write the differences • on the paper. • 4、Please discuss in English: • Cats have_____. • Humans (don’t) have_____. • Cats can_____. • Humans can (can’t)______. 05

  11. difference 不同 Cats have______. Humans (don’t) have____. Cats can______. （猫能做什么） Humans can (can’t)______.(人能做什么)

  12. skeleton (骨骼) and muscle （肌肉）

  13. 牛黄酸 taurine

  14. brain 25.3g 1375g

  15. Now I Know 现在我知道…

  16. Cats and humans have eyes But, cats have 200,000,000 retinal photoreceptor cells（视网膜感光细胞）. Human only have 200.

  17. Cats and humans have eyes But, cats’ breadth of view(视野广度) is 284 . Humans’ breadth of view(视野广度) is 180.

  18. Cats and humans have ears But, cats’ hearing range is from 60 to 65000Hz . (听觉范围) (赫兹) Humans’ hearing range is from 20 to 20000 Hz .

  19. Cats and humans have nose But, cats’ olfactory mucosais 20~40 cm2 (嗅粘膜) Humans’ olfactorymucosa is 7~13 cm2.

  20. Cats and humans have brain But, cats’ brain weight(大脑重量) is about 25.3 g， The size of the cat is like a walnut (核桃 ). Human’s brain weightis about 1375 g.

  21. Their body parts(他们的身体部位) are not all(全部) the same(相同). Cats and human have so many same parts.(相同的部位) Cats and human also have so many different parts.（不同的部位）

  22. Different body structure decide different behavior . （不同的身体结构决定了不同的行为方式。）

  23. Cats can Human can catch the mouse. read books.

  24. Anyway, cats and humans are animals. We live in the same earth. (我们住在同一个地球上) We are friends.

  25. Now I Know 现在我知道… 1、 Cats and humans are animals. 2、 Their(他们的) body parts are not all the same(相同的). 3、 They move, eat, and can have babies. 15 30

  26. Homework: 请同学回家后，观察周围生活中的猫和狗， 思考一下猫和狗有哪些相同的地方和不同 的地方

  27. Can have babies 繁殖后代 How long? Almost 65 days 10 months

  28. Work in 4. 小组合作完成P20 Tick(√) or cross(×) P20 Cats (don’t) have______. Humans (don’t) have___. Cats can ______. Humans can ____.

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