"Whale" PPT courseware download 4

Description

"Whale" PPT courseware download 4

baleen whale fat pig palate mammal

Filter out the belly and lungs which are thick and short

Judgment of viviparous

Palate: The upper wall of the mouth.

Breastfeeding: feeding with breast milk; breastfeeding.

Filtration: Passing a liquid through some substance to remove impurities.

Judgment: to distinguish, to judge.

Viviparous: A method of reproduction in mammals.

think about it

1. What aspects are mainly covered in the article?

2. What explanation methods are used in the article?

After reading the first paragraph, do you understand what is the most obvious characteristic of a whale’s body shape?

From what sources did you find out?

think about it

1. What explanation methods are used in this paragraph?

Characteristics of mammals:

1. Breathe with lungs, give birth to a fetus, and grow up on breast milk.

2. Most mammals have fur.

The largest known whale weighs about 160,000 kilograms, and the smallest weighs 2,000 kilograms. A whale weighing nearly 40,000 kilograms was discovered in our country. It was about 17 meters long and had a tongue as heavy as a dozen big fat pigs.

Baleen whales mainly eat shrimp and small fish. When they swim in the ocean, they open their mouths wide and suck many small fish and shrimps into their mouths together with the sea water. Then they close their mouths, filter the sea water out from the middle of the baleen plates, and swallow the small fish and shrimps into their stomachs. , you can eat more than two thousand kilograms in one meal.

Read the following sentences and talk about whether there are red words or not. What is the difference in meaning of the sentences? What inspirations did you get from them?

1. Baleen whales mainly eat shrimps and small fish.

2. Whales must breathe once in a certain period of time.

3. Whales sleep every day, and when they sleep, several whales always gather together.

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Gray whale call sound effect:

Gray whale cry PPT background sound effect. ..

Humpback whale low cry sound effect:

Humpback whale's low cry PPT background sound effect. ..

Humpback whale call sound effect:

Humpback whale cry PPT background sound effect. ..

File Info

Update Time: 2024-10-20

This template belongs to Chinese courseware The first volume of Chinese language for fifth grade compiled by the People's Education Publishing House industry PPT template

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