"The order of explanation" PPT download

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"The order of explanation" PPT download

Part One: Intensive Reading of Model Texts

[Common question types]

1. What explanatory methods are mainly used in the selected text?

2. Please find a sentence using × explanation method from the selected text.

3． Define the description object.

4． This excerpt mainly uses × explanation methods. Please analyze their effects.

5. What explanation method is used in paragraph ×? what's the effect?

6. This article uses a variety of explanation methods and takes paragraph × as an example for detailed analysis.

The sequence of explanation PPT, the second part of the content: [Model text]

Life existing under Antarctic glaciers that are thousands of years old

Slavek Turazyk

①The Antarctic glaciers are one of the unexplored territories on earth. Under this seemingly flat snowfield, there is nearly 800 meters of solid ice accumulated, and under this thick layer of ice, there is hidden a mysterious lake that humans have never seen before - Willans Subglacial Lake. .

[Paragraph 1: Introduce the object of investigation-Wilans Underglacial Lake, set up suspense, and stimulate readers' interest in reading. ]

② Lake Willans has not seen the light of day for hundreds of thousands of years, and scientists can’t wait to see what’s under the ice. For scientists around the world, exploring this unassuming lake is a milestone in their research. 10% of the earth's land is still sealed under glaciers, an area that humans have never set foot in. Exploring subglacial lakes could help answer big questions, such as whether global warming will accelerate the loss of Antarctic glaciers. Sampling Lake Willans is also expected to provide clues to the question of whether life exists on other planets in the solar system.

③The story of Lake Willans can be traced back to more than fifty years ago. For much of the 20th century, people viewed the Antarctic ice sheet as immutable. At the time, scientists also suggested storing nuclear waste permanently in these glaciers.

Sequence of explanation PPT, content of the third part: Classroom problems

1. Indicate how to use the following sentences.

(1) About 800 meters below the ice surface in West Antarctica, Lake Willans, which is 12 kilometers long, 8 kilometers wide and 1.5 meters deep, has become a research target. ( )

(2) It will take some time for researchers to draw a complete picture of life under Antarctic glaciers. ( )

(3) Krishna said: "Cultivation of microorganisms can be studied by everyone for 50 years." ( )

2. What explanation methods are used in the underlined sentence in paragraph 5? what's the effect?

Give examples, list numbers and make comparisons. The example of "Lake Vostok" was given, and accurate figures were used to clearly illustrate the large amount of water stored in the subglacial lakes found in Antarctica.

3． How does life in Lake Willans obtain energy? What explanatory methods does the author mainly use to illustrate this point?

It obtains energy by breaking down mineral particles in lake water. for example.

4． The comparative explanation method is used in many places in the article. Please find one place and explain its role in the article.

"In fact, the lake water is warmer than the seawater in the bay near the research station, which is home to large numbers of Antarctic toothfish and seals." Comparing the temperature of the lake water under the glacier with the temperature of the seawater near the research station shows that under the glacier The temperature of the lake water is suitable for the existence of life.

Keywords: Free download of Chinese PPT courseware for the second volume of the eighth grade Chinese version of the People's Education Press, PPT download in the order of instructions, .PPT format;

For more information about the "Order of Explanation" PPT courseware, please click the "Order of Explanation" ppt tab.

"Sequence of Explanation" PPT:

"The Sequence of Explanation" PPT Part One: Learning Objectives 1. Master some basic sequences of expository writing. 2. Understand that the arrangement of the order of explanation depends on the characteristics of the explanation object, and know the methods and techniques of reasonably arranging the order of explanation. 3. Put what you have learned into practice.

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Update Time: 2024-07-03

This template belongs to Chinese courseware People's Education Edition Chinese Language for Eighth Grade Volume 2 industry PPT template

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