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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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Presentation Transcript
slide4

Lesson 3

Cats and Humans

slide5

It’s_______.

It has_____.

It can_____.

47

slide6

Let’s talk

55

same 相同

Humans

Cats

Cats have______. Humans have____, too.

Cats can______. Humans can____, too.

slide7

Discuss

in 4

difference不同

Cats

Humans

00

slide8

Humans have____.

Cats have______.

body parts

slide11

Cats can______.

(猫能做什么)

Humans can______.

(人能做什么)

slide12

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

slide13

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)

slide14

skeleton

(骨骼)

and

muscle

(肌肉)

slide15

牛黄酸

taurine

slide16

brain

25.3g

1375g

slide17

Now I Know

现在我知道…

cats and humans have
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.

cats and humans have1
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.

cats and humans have2
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 .

cats and humans have3
Cats and humans have

nose

But, cats’ olfactory mucosais 20~40 cm2

(嗅粘膜)

Humans’ olfactorymucosa is 7~13 cm2.

cats and humans have4
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.

slide23

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)

different body structure decide different behavior
Different body structure decide different behavior .

(不同的身体结构决定了不同的行为方式。)

slide25

Cats can

Human can

catch the mouse.

read books.

slide26

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.

slide27

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

slide28

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

slide29

Can have babies

繁殖后代

How long?

Almost 65 days

10 months

slide30

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 ____.