"The Century of Trouble" PPT download

"The Century of Trouble" PPT download

Part One: Learning Objectives

1. Recognize 12 new words such as "call" and "ba", be able to write 13 words such as "call" and "ji", and be able to write 28 words such as "call for wind and rain, century".

2. Read the text, ask your own questions, then classify the questions, select the questions that are most helpful for understanding the text, and try to solve them. (emphasis)

3. Understand the tremendous changes that science and technology have brought to mankind in the 20th century, and stimulate the passion for science and the interest in learning science and exploring the mysteries of science. (difficulty)

The PPT of the century that moved the wind and rain, the second part of the content: I can write

call (call) Ji (century) technology (technology)

Cheng (degree) over (more than) billion (tens of billions)

The Powerful Century PPT, Part 3: First Reading Text

Tell me what the text mainly says

This article introduces us to the development of science and technology in the 100 years of the 20th century, and shows the bright prospects for the tremendous changes that the rapid development of science and technology has brought to human life.

The 20th century is a century of great changes.

What role does this sentence play in the whole text?

This sentence plays the role of opening the whole text. "Moving the Wind and Calling the Rain" uses metaphors to vividly describe the significant achievements that humans have made in utilizing nature in the 20th century.

Why is the 20th century a turbulent century? From which sentences and paragraphs in the text do you feel that the 20th century was a century of change?

Two hypothetical questions illustrate the achievements humans have made through the use of science and technology.

Who is going to call the wind and rain? Of course they are human beings; how can they control the wind and rain? It relies on modern science and technology.

What is the effect of using two hypothetical questions in succession?

It affirms the achievements of mankind in the use of science and technology, making the mythical and legendary "movement of wind and rain" a reality.

The PPT of the century that makes all the difference, Part 4: Let me tell you

"Thousands of clairvoyance, gentle ears" entrust the good wishes of human beings ( ).

"Chang'e flies to the moon" entrusts the good wishes of mankind ( ).

"Gourd Little King Kong" entrusts the good wishes of mankind ( ).

( ) entrusts the good wishes of human beings ( ).

In this short century, our lives have undergone tremendous changes due to the development of science and technology. Read the third paragraph of the text and look for a sentence that can describe all of this.

Suddenly a spring breeze comes,

Thousands of pear trees are in bloom.

This sentence uses the rhetorical method of quotation. These two lines of poetry come from Cen Shen's "Song of White Snow to Send Magistrate Wu Back to the Capital". They originally described the heavy snow as being like pear blossoms in full bloom. These two poems are quoted in the text to express the rapid and dramatic changes in achievements brought about by science and technology, which are unexpected by people and bring unexpected surprises to people.

PPT of the century that changes everything, Part 5: New inventions in the 21st century

A． Agriculture and animal husbandry: Indica hybrid rice has been cultivated, and its total output ranks first in the world. It has cultivated 117 excellent varieties and strains of livestock and poultry, becoming the world's largest producer of meat, eggs, and aquatic products. The amount of agricultural products has grown rapidly, nutritional levels have improved, and the average life expectancy is 5 years longer than the world average.

B. In terms of transportation: the speed of trains and the total mileage of highways reach 20,000 kilometers, ranking second in the world. There are more than 100 civil airports and 1,165 flight routes. The total transportation volume ranks 9th in the world.

C. It converts coal, water, nuclear fuel and other energy sources into electrical energy, ranking second in the world in terms of power generation.

D. Medical care: Poliomyelitis, measles, diphtheria, whooping cough, meningococcal meningitis, hepatitis B, etc. have been effectively prevented and treated, reducing the incidence of approximately 300 million cases and reducing deaths by 4 million.

E. Information technology: Keeping up with the trend of new technologies, newspapers, periodicals and books use laser phototypesetting systems. On average, 3.3 people have a phone. There are 43.31 million Internet users who surf the Internet for more than one hour a day, ranking third in the world.

F. In the 21st century, our country has realized its dream of flying into the sky, and the Chinese spacecraft has repeated the amazing feat of "Chang'e flying to the moon". On October 24, Chang'e-1 was successfully launched. On November 5, it successfully entered the lunar orbit and became my country's first lunar exploration satellite. On November 7, it entered the work track.

PPT of the century that makes all the difference, Part 6: Thinking and communicating

In the new world, what other miracles have modern science and technology created to improve our lives?

Mobile payment, online ride-hailing, etc. have improved our lives. Now a mobile phone can handle a variety of services needed in daily life.

Summarize the topic

This article describes the development of science and technology in the 100 years of the 20th century, demonstrates the tremendous changes and brilliant prospects that the rapid development of science and technology has brought to human life, and inspired our strong interest in loving science, learning science, and exploring science.

PPT of the century that can change everything, Part 7: Practice in class

Judge whether the following statement is correct or not. If it is correct, mark "√" and if it is wrong, mark "×".

1. "Who can call the wind and call the rain? Of course it is human beings; how can it call the wind and the rain? It relies on modern science and technology." These two sentences use the rhetorical technique of asking questions. ( )

2. The third and fourth paragraphs of the text use contrasting explanation methods to reveal the significance of science and technology to human life. ( )

3． “To control the wind and rain” means that humans can control nature at will and do whatever they want. ( )

4. "Suddenly a spring breeze came overnight, and thousands of pear blossoms bloomed on the trees" describes the scene of pear blossoms in full bloom in spring. ( )

Keywords: Free download of Chinese PPT courseware for the first volume of the fourth grade of the People's Education Press version, free download of the century PPT courseware that can change the wind and rain, .PPT format;

For more information about the PPT courseware of "The Century of Waves and Waves", please click on the "Century of Waves and Waves" ppt tag.

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"The Century of Change" PPT:

"The Century of Conjuring Wind and Rain" PPT Part One Content: New Lesson Introduction In ancient times, people said that gods had boundless power and could control wind and rain. That was people's fantasy. In the 20th century, due to the rapid development of science and technology, controlling the wind and rain was no longer a fantasy. People have clairvoyance...

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Free MP3 reading of "The Century of Wind and Rain" Text Reading The 20th century is a century of great freedom. Who is going to call the wind and rain? Of course they are human beings; how can they control the wind and rain? It relies on modern science and technology. In the 100 years of the 20th century, humans have used modern...