"How the Yellow River Changes" PPT Courseware 4

Description

"How the Yellow River Changes" PPT Courseware 4

First reading text

The text focuses on the word "change" and focuses on what aspects of the Yellow River are introduced to us?

How does the Yellow River change?

Cradle and even fertile toss

Worry about dams and erosion

Collapse Destruction Vegetation Management

Fuhe reclaims one acre of soil

Disasters are unmitigated

People say that the Yellow River is the cradle of the Chinese nation. However, a check on the "performance" of the Yellow River in the past 2,000 years is surprising. In the past 2,000 years, the Yellow River has burst more than 1,500 times and changed its course 26 times, bringing severe suffering to the people on both sides of the strait.

think about it

Why did the Yellow River change?

Find the reasons from two aspects, and then talk about the relationship between these reasons.

Two reasons for the changes in the Yellow River

First, the climate on the Loess Plateau has turned cold and heavy rains have concentrated; second, the population has grown rapidly and unrestricted land reclamation and grazing has destroyed forests, destroyed grasslands, severely damaged green vegetation, and caused severe soil erosion.

Let me say

1. After studying this text, I want to say ().

2. After studying this text, I know that we will ( ) in the future.

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"How the Yellow River Changes" PPT courseware 3:

"How the Yellow River Changes" PPT Courseware 3 Learning Objectives 1. Understand the evolution process of the Yellow River and the reasons for its changes, and cultivate students' awareness of protecting nature. 2. Clarify the context of the text and summarize the main ideas of the paragraphs. 3. Understand the lessons that the changes in the Yellow River teach people. ..

"How the Yellow River Changes" PPT courseware 2:

"How the Yellow River Changes" PPT Courseware 2 Please talk about the reasons for the changes in the Yellow River: First, since the Qin Dynasty, the temperature on the Loess Plateau has turned cold and heavy rains have concentrated. In addition, the loess itself has a loose structure and is easily eroded and collapsed, which contributes to soil erosion and makes a large amount of sediment...

"How the Yellow River Changes" PPT courseware:

"How the Yellow River Changes" PPT courseware Introduction to the Yellow River The Yellow River is the second largest river in China. Originating from the Yuegu Zonglie Basin at the northern foot of the Bayan Har Mountains in the Qinghai Plateau, it meanders eastward, passing through the Loess Plateau and the Huang-Huaihai Plain, and flows through Qinghai, Sichuan, Gansu, Ningxia, Nei...

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Update Time: 2024-09-11

This template belongs to Chinese courseware People's Education Edition Chinese Language for Grade 4 Volume 2 industry PPT template

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