"The Father of Hybrid Rice--Yuan Longping" PPT courseware

Description

"The Father of Hybrid Rice--Yuan Longping" PPT courseware

Contemporary Shennong

Chinese farmers say that food depends on "two levels of peace", one is Deng Xiaoping (responsibility system), and the other is Yuan Longping (hybrid rice).

The Western world calls hybrid rice the "Oriental Magic Rice." His achievements not only solved the Chinese people's feeding problem to a large extent, but are also considered to be the magic weapon to solve the world hunger problem in the next century. Internationally, hybrid rice is even regarded as China's fifth greatest invention after the four great inventions, and is hailed as the "second green revolution".

teaching objectives

1. Understand the role of typical examples in expressing characters.

2. Understand the role of detailed description and use of data.

3. Understand Yuan Longping’s scientific spirit and outstanding contributions.

1. Character introduction

Yuan Longping, whose ancestral home is De'an, Jiangxi Province, was born in Peiping on the seventh lunar month of 1930. He graduated from Southwest Agricultural College in 1953. After graduation in August, he was assigned to teach at Anjiang Agricultural School in Hunan Province. During his 19-year teaching career, Yuan Longping was engaged in production practice and scientific research on selected topics, and began to embark on a career. The road to crop breeding.

2. Master the words and pronounce them correctly

Pronounce the following word a:

Indica (Xiān) Guizhou (qián)

Rui (ruǐ) bowl (bō)

Master (shuò) Jian (jiàn)

Explain the following words:

Very different: means they are very different from each other or very contradictory.

Unwavering determination: Never change your determination.

Survival: Encountering a disaster and surviving by chance.

Enduring: not stopping over a long period of time.

Success is achieved: success is established and fame is achieved.

Overall perception of the text

1. Clarify the structure of the article and write a brief introduction to Yuan Longping

2. What typical examples are selected in the text to show the characters?

3. What details in the article left the deepest impression on you?

4. Data is used in many places in the article. Think about it: What role do these numbers play in expressing the characters?

What prompted Yuan Longping to decide to engage in rice research?

Farmer Xiang Fucai climbed the tall Bamian Mountain on an empty stomach, a 40-mile round trip, to exchange for better seeds for the collective. Xiang Fucai's youngest daughter Chunhua secretly ate rice seeds because she was hungry, so she was slapped down by Xiang Fucai.

Describing the poverty of farmers at that time, it reveals the ideological basis of Yuan Longping's determination to engage in hybrid rice research, and shows that Yuan Longping has a strong sense of responsibility and mission, as well as his excellent qualities of closely linking his career with the needs of the country and the people.

The great significance of rice research

my country is one of the largest rice-producing countries in the world. The rice planting area accounts for 1/3 of the total sowing area, and rice production accounts for 40% of the total grain production.

From an international perspective, about 1/2 of the world's people depend on rice as their main food, and more than 90 countries grow rice. ——World significance

What are the main difficulties in cultivating hybrid rice? How to solve?

The main difficulty in cultivating hybrid rice is solving the problem of cross-pollination. In order to solve this problem, Yuan Longping proposed the idea of ​​utilizing rice hybrid advantage through "three lines" (sterile line, maintainer line, restorer line) after repeated study and thinking, and put it into practice.

Knowledge summary:

1. This article is a character communication. Yuan Longping's outstanding contributions to China and the world in hybrid rice are reported in chronological order.

2. Writing characteristics:

A. Use typical examples to describe the character.

B. Use detailed description to make the characters full and vivid.

C. Use numbers to make the article persuasive.

4. Practice:

1. Find the numerical description in the article and try to use an example to illustrate its benefits.

2. After studying this article, please tell me the awards Yuan Longping has won at home and abroad based on your own accumulation.

3. What excellent qualities do you think we should learn from Yuan Longping?

writing exercises

Rewrite this newsletter into a message of about 400 words.

Tips The difference between communication and messages:

1. The facts reported in the newsletter are relatively detailed and complete, while the news is a brief summary.

2. Communication is more vivid and vivid than news, so it is also more contagious.

3. The communication style is relatively free.

4. The communication theme is clear and the structure is complete.

5. Different expression techniques.

6. Communication is less timely than messages.

Knowledge expansion

Intelligence comes from hard work, and genius comes from accumulation. ----Hua Luogeng

Inspiration is nothing but "the appreciation of tenacious labor." ---Rebin

Knowledge is as precious as human blood. When a person lacks blood, his body will weaken;

If people lack knowledge, their brains will be exhausted. -----Gao Shiqi

To learn knowledge, you need to be good at thinking, thinking, and thinking again. This is how I became a scientist. ----Einstein

Keywords: Teaching courseware of Yuan Longping, the father of hybrid rice, Chinese courseware for the first volume of eighth grade Chinese version, download of Chinese slide courseware for eighth grade, PPT courseware download of Yuan Longping, the father of hybrid rice, in .ppt format

For more information about the PPT courseware "Yuan Longping, the Father of Hybrid Rice", please click the Yuan Longping, the Father of Hybrid Rice ppt tag.

"The Father of Hybrid Rice--Yuan Longping" PPT Courseware 2:

"The Father of Hybrid Rice--Yuan Longping" PPT Courseware 2 Character Introduction Yuan Longping's ancestral home is De'an, Jiangxi Province, and he was born in Peking in the seventh month of the lunar calendar in 1930. Graduated from Southwest Agricultural College in 1953. After graduation in August, he was assigned to teach at Anjiang Agricultural School in Hunan Province. During his 19-year teaching career...

File Info

Update Time: 2024-06-30

This template belongs to Chinese courseware Chinese version of eighth grade Chinese language volume 1 industry PPT template

Preview