"The Extinction of the Dinosaurs" PPT courseware 3

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"The Extinction of the Dinosaurs" PPT courseware 3

I will admit it

Fear of large size, avoidance, resistance to wilting

Death Breastfeeding Stealing Hatching Mystery

or membership

human history earth temperature

cold time truth life

plant extinction huge hibernation

Avoid, can't stand, dust, cover up

blight mammal eating infectious disease

hatch male books

One way to say it: The earth suddenly became (), dinosaurs did not have () habits, and dinosaurs did not have () coming (), they could not bear (), so they died ().

Another theory is that a cosmic planet collided with the earth, and the dust covered the sun, leaving the earth in darkness. Because there was no sunlight, a large number of plants withered and died. Dinosaurs and other animals that fed on plants gradually died. As the number of animals decreased, the carnivorous dinosaurs could not find enough food and gradually became extinct.

Will you fill in the serial number?

( ) Dust obscures the sun.

( )The planet hit the earth.

( ) The carnivorous dinosaurs became extinct.

( ) Herbivorous dinosaurs and other animals died.

( ) Plants withered and died in large numbers.

I would say

Because Therefore( );

Because Therefore( );

Because Therefore( );

Because Therefore( ).

Various other theories

Mammals on the earth (), they often eat (), causing the dinosaurs () to become extinct.

suddenly popular ( );

The global temperature ( ) caused the dinosaur eggs to hatch only ( ) baby dinosaurs...

Continuously

The Earth is getting colder, eating dinosaur eggs

Without sunlight, male dinosaurs hatched

Increase in mammals and death of plants and animals

The temperature dropped and I couldn’t bear the severe cold

Keywords: The Extinction of the Dinosaurs teaching courseware, download the second-grade Chinese PPT courseware for the second volume of the Lujiao Edition, download the second-grade Chinese slide courseware, download the PPT courseware for the Extinction of the Dinosaurs, .PPT format;

For more information about the "The Extinction of the Dinosaurs" PPT courseware, please click the "The Extinction of the Dinosaurs" ppt tag.

"The Extinction of the Dinosaurs" PPT Courseware 4:

"The Extinction of the Dinosaurs" PPT Courseware 4 The widest dragon: Ankylosaurus. It is a crawling tank in the world of dinosaurs, about 5 meters wide. Pterosaurs: The earliest flying vertebrates. The largest carnivorous dragon: Tyrannosaurus rex, also known as Tyrannosaurus rex. The dragon body is 14 meters long and weighs 8 tons. thunder..

"The Extinction of the Dinosaurs" PPT courseware 2:

"The Extinction of the Dinosaurs" PPT courseware 2 I can read Human beings for a period of time avoid withering death steal eat hatch hatch books dust or mammals can't stand the mystery Reading requirements: Think about which kinds of dinosaur extinction theories are introduced in the text. ... ... ... You will fill in...

"The Extinction of the Dinosaurs" PPT courseware:

"The Extinction of the Dinosaurs" PPT courseware Freely read paragraphs 2-4 of the text. Pay attention to reading correctly and smoothly. Think about the reasons why the dinosaurs became extinct in the text. In addition, dinosaurs had no fur to keep them warm, so they could not withstand the severe cold and slowly disappeared. Space planet collision...

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Update Time: 2024-09-08

This template belongs to Chinese courseware Lu Jiao Edition Chinese Language for Second Grade Volume 2 industry PPT template

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