1. Several ways to understand the characteristics of the things described in this article.
2. Understand the importance of using accurate language in explanatory writing.
3. Understand the basic characteristics of expository writing and its differences from narrative writing.
Teaching focus
Understand the characteristics of accurate words in this article.
teaching process
First teaching time
First, check the homework and introduce new lessons.
Mao Yisheng is a famous bridge expert in China. In 1930s, he successfully designed and built the famous Qiantang River Bridge, and in 1950s, he participated in the design of the larger Wuhan Yangtze River Bridge. He commented on the stone arch bridge: the stone arch bridge is one of the basic forms of traditional bridges in China, and Zhao Zhouqiao and Lugou Bridge are "outstanding representative works among thousands of stone arch bridges" in China. This expository article "China Stone Arch Bridge" introduces these two famous bridges and related knowledge to us.
Second, the text reading teaching
Say the first, second, third and fourth paragraphs of the text.
Show the small blackboard and modify it according to the first two items on the small blackboard. Read the fifth paragraph of the text by name, demonstrate and guide Zhao Zhouqiao to fill in the third item ("structural features") with the small blackboard. Read the sixth paragraph, demonstration, 5; Fill in the third item about Lugou Bridge ("structural characteristics"). Tip: In the fifth and sixth paragraphs, besides introducing the structural similarity of the two stone arch bridges, what other sentences are there about the appearance? Students read the text and answered clearly: In the fifth paragraph, there are "adding a bridge on the arch, … beauty" and "drinking water on the whole bridge"; In the sixth paragraph, it says, "Every shame is … vivid". Tip: What else is there besides these two paragraphs? There is also the metaphor in the first paragraph and the overall introduction in the seventh paragraph. Conclusion: It can be seen that the characteristics of Chinese stone arch bridge itself are: beautiful shape, firm structure and long history. Lugou Bridge has its own unique situation. Read the eighth paragraph to guide understanding: the commemorative significance and historical facts of Lugou Bridge. Q: Why can the stone arch bridge in China have brilliant achievements? How is it developing? Read the ninth and tenth paragraphs respectively, and then guide the students to master the main content of the text. The ninth paragraph introduces the reasons for the achievement: "first, wisdom", "second, tradition" and "third, stone". The tenth paragraph introduces development: the four sentences in the middle of this paragraph are proved by facts. Read four sentences in the class: "After liberation, ...150m".
1. Full text level: (1) Introduce the modeling characteristics of stone arch bridge (figuratively). _(2) Summarize the characteristics of stone arch bridge ("not only beautiful in appearance, but also firm in structure"). (3) Cite ancient books to prove that "the stone arch bridge in China has a long history", and point out the specific objects to be introduced. (4) In one part, the designer of history, structure and appearance introduced Zhao Zhouqiao comprehensively. (5) The second part gives a comprehensive introduction to Lugou Bridge: a concrete figure, a structure (the riverbank was destroyed, but the bridge "never had an accident"), a form ("lifelike on every stigma"), a kind of praise ("the only scenery in the world" (Lugou Xiaoyue) and a unique commemorative significance (resisting imperialist aggression) (7) Summarize the achievements of stone arch bridge and the new development of China's bridge industry after liberation. The full text has distinct levels, and the writing method of "one point is always one" is adopted reasonably.