"Interesting Discovery" PPT Courseware 5

Description

"Interesting Discovery" PPT Courseware 5

interesting hundred famous

Darwin's expedition repeated

compare because of drowning

survival easy research

Read it and pay attention to the pauses.

Once, Darwin took a boat to a small island in the ocean to investigate. He found it strange that the insects on the island either had extremely large wings or had no wings.

More than a hundred years ago, there was a famous British scientist named Darwin.

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Darwin caught many insects, observed and compared them repeatedly, and finally found the answer. It turns out that strong winds often blow on the island, and those wingless insects are unlikely to be blown into the sea and drowned by the wind because they cannot fly. And those with particularly large wings also survived because they could withstand strong winds. What is pitiful is that those insects with small wings can fly but cannot withstand strong winds. They are easily blown into the sea and gradually disappear.

practice

1. Compare and form words.

Summer ( ) School ( )

Compound ( ) Compare ( )

Capacity ( ) Should ( )

Research ( ) Cause ( )

2. Fill in the appropriate words in the brackets.

Gradually ( ) Interesting ( )

Seriously ( ) Famous ( )

carefully ( ) important ( )

3. Fill in the blanks according to the text content.

(1) Those insects without wings are unlikely to be blown into the sea because of ( ).

(2) Those insects with particularly large wings, because ( ) so ( ).

(3) Those insects with small wings gradually disappeared because of ( ).

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Update Time: 2024-10-06

This template belongs to Chinese courseware Jiangsu Education Edition Second Grade Chinese Volume 1 industry PPT template

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