"Cactus" PPT courseware 4

Description

"Cactus" PPT courseware 4

Read the text silently and learn new words

Stem (gǎn) ellipse (tuǒ) circle

store (zhù) ferment (jiào)

rouge (yān) fat roast (zhì) roast

Read the text again and think about:

The text mainly writes about cactus from two aspects, and summarizes the main contents of these two aspects in simple words.

Through the introduction of the unique structure and functions of cactus roots, stems and leaves, readers can understand that cactus has amazing tenacious vitality.

Cactus is also very versatile. It can prevent soil erosion, can be viewed by people, can be used as food, feed, dye, fuel, and building materials.

What are the characteristics of the cactus lifestyle?

In order to reduce water evaporation, the leaves of the cactus are severely degraded. Since the leaves cannot perform photosynthesis, its stems take on this important task, perform photosynthesis, and supply nutrients to the entire plant.

Read the last paragraph together and think: What does the author think of the cactus?

Although it is covered with thorns and its appearance is not amazing, and its appearance cannot compare with tall and straight trees and swaying exotic flowers, its perseverance and tenacity to survive in harsh environments and its spirit of silent dedication are a unique beauty. It can be said that cactus is a model that only talks about giving and not asking for anything!

Review the full text and experience the writing method

This lesson is a popular science expository article. When explaining the tenacious vitality and wide range of uses of cactus, what method of explanation is used? What are the benefits of writing like this?

This lesson starts from the structure of the cactus itself and explains the internal structure and lifestyle of the roots, stems, leaves, fruits and other parts. This method of explanation is called classification method. This article adopts this method so that we can understand things more clearly.

Summarize the full text

Through the study of this lesson, we have a more in-depth understanding of the cactus plant. We not only know the reason for its tenacious vitality, but also understand its wide range of uses. At the same time, we also learned the method of classification and explanation. I hope that students will Try using this method in your own writing.

Operation:

1. Accumulate the words "hot" in this lesson.

2. Introduce cacti to others.

3. Read popular science books about plants to learn more about plants.

Keywords: Cactus courseware, Western Normal University version sixth grade Chinese PPT courseware download, sixth grade Chinese slide courseware download, cactus PPT courseware download, .PPT format;

For more information about the "Cactus" PPT courseware, please click the Cactus ppt tag.

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File Info

Update Time: 2024-08-17

This template belongs to Chinese courseware Western Normal University Edition Sixth Grade Chinese Volume 1 industry PPT template

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