Lying and looking at the morning glory Vega's words are explanatory words. Why insert some myths and legends?

(A) the main points of knowledge teaching

1. Learn the role of myths and legends in this explanatory text.

2. Grasp the accuracy of the figures in this article.

(2) Key points of ability training

1. Cultivate students' interest in popular science works.

2. Let students master some expository knowledge.

(C) moral education penetration point

By studying this article, we can stimulate students' interest in loving nature and exploring the mysteries of space, and make them realize that only by studying hard today and tomorrow can they serve the motherland.

Second, the key points, difficulties, doubts and solutions

(1) key points

The emphasis is on the explanation of expository knowledge.

(2) Difficulties

The difficulty lies in the analysis of life philosophy implied in the article.

Third, the class schedule

1 class hour

Fourth, student activity design.

Ask the students to retell the relevant knowledge in the article.

Teaching steps of verbs (abbreviation of verb)

(A) the introduction of new courses

Autumn night, autumn is crisp. When we look up at the sky, the stars twinkle in the deep sky, which arouses our curiosity and excitement. At this time, what attracts our eyes most is the long galaxy. When you see the Milky Way, the legend of the Cowherd and the Weaver Girl will be printed in your mind. So what astronomical knowledge do you have about these two stars? What other stories does it have? Let's read Ye Zhishan's lies and look at the morning glory and the Weaver Girl, from which we can know.

(2) Read the text

This is a self-reading text. Please read the full text quickly and complete the following thinking questions.

1. Look it up in the dictionary to find out the pronunciation of the dotted words and the meaning of the underlined words.

Lazy, stingy, obedient

2. Cross out the relevant astronomical data in the text and think about the role of these data in the text.

3. Draw the key words and phrases in myths and legends in the text with wavy lines, and prepare to retell the story.

4. Explain the structure of this article.

(3) Summarize the structure of this paper.

The first part (at the beginning-but no other stars can compare with it) introduces Vega and Altair from myths and legends and their positions in the Milky Way. It is lively, interesting and fascinating.

The second part (if we stay for several nights in a row-he gradually moves away from us) introduces the astronomical knowledge of Petunia Vega from multiple sets of data. Thus, the knowledge of two stars is introduced scientifically and accurately.

The third part (what is the white Milky Way-also this flat spiral nebula) introduces some knowledge about the Milky Way and the universe, thus stimulating students' interest in exploring the mysteries of the universe.

(d) Students can give full play to their imagination by retelling the myths and legends of Lyra, but they should pay attention to the relevant keywords in the text.

(5) Students can give full play to their imagination by retelling the myths and legends of Vega, but they should pay attention to the relevant keywords and expressions in the text.