The sixth grade Chinese courseware of Beijing Normal University Edition: Contemporary Shennong

The introduction of computer-aided teaching in modern pedagogy not only challenges teachers, but also provides educators with modern teaching methods. When using courseware to teach, the teaching content should be intuitive and the media content should be clear at a glance. The theme of this class is often presented directly in class. Intuition is helpful to improve teaching effect and inherit teaching resources. The following is the sixth grade Chinese courseware compiled by Beijing Normal University Edition: Contemporary Shennong, welcome to read and learn.

Article 1 Teaching requirements:

1, know and master the words "precarious, refreshing, all is silent, surging, dawn" and so on.

2. Learn from Yuan Longping's perseverance, courage to practice and innovation.

3. Experience the character quality through key sentences. Grasp the key words in the sentence and feel the emotions of the characters.

4. Read the text correctly, fluently and emotionally.

Teaching emphases and difficulties:

1. Experience Yuan Longping's spirit of persisting in not daring to practice and being brave in innovation.

2. Understand the description of Yuan Longping in the article.

Teaching process:

First, reveal the topic and introduce new lessons

1, blackboard title: Contemporary Shennong.

2. Do you know what "Shennong" is?

3. The teacher introduced Shennong. (Show courseware)

Shennong is a legendary inventor of agriculture and medicine.

He used to be a tribal leader in the valley named Jiang. Later, he invented wooden barriers as agricultural tools, taught people to grow crops, make pottery and textiles, and used fire. Because of his outstanding achievements, he attacked the king with fire, so he was named Emperor Yan, the world number Shennong, once built the capital of Qufu, Shandong Province, and was later named the god of agriculture. Shennong once waded through mountains and rivers, tasted all kinds of herbs, and looked for a good medicine to cure diseases and detoxify, in order to save his life. Later, he died of heartbroken eating "fire zi zi" by mistake.

4. So, do you know who the contemporary Shennong refers to? (Yuan Longping)

5. Transition: What contribution did Yuan Longping make, and was called "Contemporary Shennong"? Today, we will find the answer from the text.

Second, check the preview.

1, read the text by name and section, and remove the text barriers.

Read the words in this article by name and talk about your understanding of these words.

Students talk about their stories about Yuan Longping.

4. Teacher profile Yuan Longping.

5. Divide the article into four parts, and add a subtitle to each part.

The first part: whimsy.

Part II: Face the difficulties.

Part III: Difficult search.

Part IV: Final success.

Third, learn new knowledge.

1, free reading, thinking: Why is Yuan Longping known as the "contemporary Shennong"? Find specific sentences from the text.

Courseware display: Yuan Longping's success in cultivating hybrid rice is a great miracle in the world. His achievements have brought good news to mankind. Mr Yuan Longping is the founder of hybrid rice and the father of hybrid rice in the world.

(1) Read this sentence together. What did you learn from this sentence? I realized that Yuan Longping was a man who made pride of chinese, and his achievements attracted the attention of the world and made China people proud. )

Do you know what the word "miracle" means Miracle: an unexpected and extraordinary thing. )

(3) Why is the success of cultivating hybrid rice in Yuan Longping a miracle of the world? Because in the whole world, this is an insurmountable problem. Before that, no one succeeded. Now, we have successfully cultivated hybrid rice in Yuan Longping, China, which is unexpected and attracts worldwide attention, so it is called a miracle. )

Next, let's review the text and get to know this contemporary Shennong. Please look at the first part of the text and ask the students to read paragraphs 5, 6 and 7 softly. Which word do you think is the most touching?

Be in danger, worry, worry

Can you tell me the meaning of these two words? (worried: describe the appearance of anxiety. Anxiety: anxiety)

3. Why is Yuan Longping worried? What's the hurry? Read the text by name.

4. Display supplementary information.

A worrying famine

During the period of 1959, due to major mistakes in formulating the national agricultural production plan, the national grain planting area decreased by13% that year; Coupled with the invasion of natural disasters, the grain yield per mu is deeply affected; 1960, 196 1 year, although the grain planting area has increased, due to the intensification of natural disasters, agricultural capital investment is insufficient, and the total national grain output in 196 1 year has decreased by 53 billion Jin.

Affected by grain output, the per capita ration supply in urban and rural areas in China has dropped from 65,438 to 0,959. In addition to limited rice and flour, people eat more corn, sorghum, dried sweet potatoes and food substitutes (bran, lotus root residue, roots, wild vegetables, taro stalks, elm leaves, etc.). ) There is little cooking oil and meat. 1960, rural hukou can only supply 3 kg of oil and 2.4 kg of pork per capita every year.

Due to the serious shortage of supply, a large area of famine occurred throughout the country. According to Anhui in contemporary China, from 1959 to 1960, the population of China decreased by100000. ...

5. Yuan Longping is worried about the famine in China and that people have no food. What does this mean? (showing his feelings of worrying about the country and the people)

6. Who can read this sentence with his own feelings? Comment: You noticed these two words, so you read them well. From your reading, I deeply felt Yuan Longping's feelings of worrying about his country and people.

7. direct reading. In the face of this situation, Yuan Longping mind suddenly sprouted an amazing idea: ...

Fourth, read the taste carefully.

1. Talk about: How did Yuan Longping realize his brilliant idea and become a contemporary Shennong praised by the world? Everyone previews the text and knows that Yuan Longping's success is brilliant and attracts worldwide attention, but his road to success is-? There is a sentence in the book that shows that he has experienced many difficulties. What word is it? . (Guide the students to say "a hundred robberies and thousands of difficulties" on the random blackboard: a hundred robberies and thousands of difficulties) What does "a hundred robberies and thousands of difficulties" mean? Both "robbery" and "difficulty" mean difficulties and setbacks, and "hundred" and "thousand" describe many difficulties he has experienced. What difficulties and setbacks did he encounter? Read the second, third and fourth parts of the text silently and underline the relevant sentences. After reading, simply write down your feelings beside it.

2. Communication, the lens shows relevant paragraphs.

Face up to difficulties and dare to challenge

However, rice hybridization is an unprecedented worldwide topic with great difficulty. Many foreign researchers who have had this idea have given up or interrupted their research after hard work. Many western scholars assert: "It is ignorance of genetics to engage in hybrid rice." However, Yuan Longping, the son of Shennong, wants to chew this "hard bone".

The abandonment of foreign researchers and the assertion of western scholars actually imposed ... (pressure) on Yuan Longping.

(2) but the son of Shennong Yuan Longping-(just want to chew this hard bone)

What do you mean by "hard bones" in the text? (engage in hybrid rice)

Why is it called hard bone? (Rice hybridization is an unprecedented worldwide topic, and it is very difficult. )

You're right. Do you know what "unprecedented" means? (Never done before)

And Yuan Longping decided-("Chewing")

(3) What word can be used instead of "chewing"? (Bite, chew) Can I exchange it? Why? (because "gnawing" can better explain its difficulty and insurmountable)

(4) What do you think of Yuan Longping's "gnawing" at such a "hard bone" because the predecessors didn't make a big world issue? (Face difficulties, dare to challenge, dare to try, not afraid of difficulties) Random blackboard writing-,face difficulties, dare to challenge, dare to try, dare to challenge.

If you read these words well, you can read sentences well. Who will try? (Guide students to read aloud)

Evaluation: The teacher heard that you reread Hard Bone, which made me feel that this is Yuan Longping who is facing difficulties; Rereading unluckily, this is Yuan Longping who dares to try, and Chew, this is Yuan Longping who dares to challenge difficulties.

Hard to find, persistent

He rolled up his trouser legs, stepped on the mud, held a magnifying glass above his head in the hot sun, and searched for rice fields one by one like a needle in a haystack. The scorching sun tanned his skin; Knife-like rice leaves make his face, hands and legs itch and hurt; Sweat is like a note, dripping into the water through rice leaves. He's looking! He's looking!

The first day, I couldn't find it.

The next day, I couldn't find it.

On the third day, I still couldn't find it.

After more than ten days, the male sterile plants disappeared without a trace. It has to be baked in the hot sun for ten days. Yuan Longping's skin is darker.

Day after day, year after year, six years have passed. Yuan Longping traveled all over China.

You are good at reading and know how to grasp key words to help you understand the text.

Read this part again and see which word can best show the difficulty of finding. What does a needle in a haystack mean in this article? Looking for male sterile plants is like looking for a needle in a haystack, which shows the difficulty.

These words are difficult. Your analysis is very good. Can you read them with your feelings?

(3) Rendering: The teacher seems to see that under the scorching sun, Yuan Longping is sweating and hunched over ... What kind of scene do you seem to see? (referring to students' narration)

Who can imagine the scene at that time and read this part?

(5) It's so hard to find Yuan Longping in the scorching sun. Ah ... How long did it take? (six years)

6. First class is six years. A year is 365 days. What about six years? (Write on the blackboard immediately) 2 190 days, I went through a lot of hardships to find a "male plant". How do you feel at this time? (Hard to find, persistent and persistent) scribble on the blackboard-(persistent) Who will read this paragraph with your mood? ——

All landowners this six years, Yuan Longping only looked for in one place? Instead, I traveled all over China. What do you mean I've been everywhere? I've traveled all over every inch of land and every corner. That's called traveling all over.

Summary: In order to find a male sterile plant, after 2 190 days, we have traveled all over China. Let us feel Yuan Longping's perseverance again, and let us discover its hardships with Yuan Longping (read this passage together).

Excessive: From the fourth part of the article, what difficulties did Yuan Longping experience and how did he face them?

Regardless of safety, it finally succeeded.

It was a gloomy night ... the sewage was stirred into a ball.

During 1 Ten years *, man-made destruction made Yuan Longping cry. Why is he crying and suffering? ("Ten years *" almost destroyed all his experimental results, and all the rice seedlings were destroyed.) On the blackboard: Ten years *

The disaster made everyone feel sad, but to our surprise, Yuan Longping's assistant saved four bowls of rice seedlings. What kind of rice plants are these (taken back for the rest of my life)? What is Yuan Longping's attitude towards these four bowls of rice seedlings?

Under the dim light of night, Yuan Longping held four bowls of rice seedlings for the rest of his life, mixed with sorrow and joy, stroking like a loving mother.

What did you fully realize from this sentence? (cherish rice seedlings and love scientific research results)

Who can read this sentence affectionately?

③ Summary: During the "Ten Years *" period, everyone was in danger, but Yuan Longping only cared about his own scientific research and achievements. What do you think of him? (regardless of personal safety, personal gain and loss, love science) scribbling on the blackboard: regardless of safety.

Transition: There are many difficulties in the research of hybrid rice. Yuan Longping resisted the pressure of western public opinion and searched for male sterile plants as hard as looking for a needle in a haystack. After ten years of man-made destruction, repeated setbacks, repeated blows and persistent pursuit, early-maturing and high-yield rice was finally successfully cultivated in 1975.

(2) Interlanguage: So what benefits did the successful development of hybrid rice bring to mankind? (See reading paragraph 32.32)

(3) Interlanguage: Yuan Longping has finally made remarkable achievements. How do international friends evaluate him? Read the beginning and end of the article and find out the relevant sentences.

(4) Summary: The successful cultivation of hybrid rice is not only the glory of Yuan Longping, but also the pride of the Chinese nation, and it is also a miracle that benefits mankind. Yuan Longping's great spirit of dedicating himself to the cause of science regardless of personal gains and losses and his great contribution to mankind all show that he deserves to be called "the contemporary Shennong".

Fourth, summarize the full text and understand the structure of the article.

1. What are the writing characteristics of this text?

(The whole article adopts flashback technique, which highlights the great significance and high praise of the successful cultivation of hybrid rice at the beginning, and also arouses readers' interest in reading. )

2. What's the use of writing like this?

(it can better highlight the great spiritual quality of the characters. )

Verb (abbreviation for verb) assigns homework.

Sort out the deeds of Yuan Longping and accumulate more deeds of scientists. Prepare "My Favorite Scientists' Deeds Exchange Meeting"

Chapter II Teaching Objectives:

1. Learn new words in the text, especially understand and accumulate four-character words.

2. Feel Yuan Longping's persistence in the cause of "rice hybridization" and his persistence, courage and fighting spirit in scientific research.

3. Read the key sentences with emotion.

Teaching process:

first kind

First, solve the problem:

Teacher: What do you want to know after reading the topic?

Read the text silently, tell me what you have read and ask questions you don't understand. (The teacher randomly answers)

Third, recognize new words.

1, Teacher: What words are easy to mispronounce, please mention.

The teacher asked the students to pay attention to the spelling of these two words: abuse and sunrise.

Pay attention to the pronunciation of these two words: burning powder.

2. Say these words according to the meaning:

Describe as very dangerous, about to capsize or perish. ()

Very sad mood. ()

My heart is burning with anxiety. ()

Lying in bed, tossing and turning, unable to sleep. ()

Fortunately, I escaped the disaster. ()

All kinds of sounds are quiet. ()

Four. Group discussion:

Teacher: Draw up a subtitle for each of the four parts of the text.

The first part: study hard and be determined to strike hard;

The second part: repeated research and bold ideas;

The third part: searching hard, heaven will not bear it;

The fourth part: after all difficulties, I finally succeeded;

Verb (short for verb) Homework:

1, copy new words.

2. Extract 3-5 sentences that move you from the text.

Second lesson

First, read the text silently and think:

Teacher: How do international friends evaluate Yuan Longping? Please underline the text.

Read the relevant sentences.

-the father of hybrid rice in the world

-Fifth largest contribution

Second, read the text deeply and think:

Teacher: Yuan Longping's success has attracted worldwide attention, but Yuan Longping's road to success is full of hardships. What difficulties did he encounter along the way? Please underline the relevant sentences in the text and read them aloud.

1, difficult-many foreign researchers have given up or interrupted their research.

Yuan Longping overcame difficulties.

2. Long time-the whole study lasted more than ten years, and it took six years to find only rice male sterile plants.

Yuan Longping has made up his mind.

3, many setbacks-"ten years *" almost ruined all his experimental results.

Yuan Longping persevered.

Teacher: Find out the sentences that move you most in the text, talk about your experience and read with this feeling.

Third, discussion and exchange:

What did Yuan Longping's successful experience give you? Do you have anything to say?

Fourth, give yourself a motto and encourage yourself to succeed.

For example:

Success depends on persistence.

5. With the theme of "approaching scientists", let students collect some stories of scientists outside class and exchange them in class.