"Lop Nur, the Lost Immortal Lake" PPT courseware 3

"Lop Nur, the Lost Immortal Lake" PPT courseware 3

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"Lop Nur, the Lost Immortal Lake" PPT courseware 3

Populus euphratica, or "Hutong". Unlike ordinary poplar trees, it can endure the drought and changeable harsh climate in the desert, and has a strong tolerance for salt and alkali. In the Taklimakan Desert, where the groundwater has a high salt content, the trees are still luxuriant. People praise Populus euphratica as "the backbone of the desert."

Populus euphratica has special survival skills. Its roots can penetrate into the ground 20 meters below to absorb underground water, and it can also store a large amount of water in its body to prevent drought.

Populus euphratica is the oldest poplar tree, which began to exist on the earth more than 60 million years ago. It is a deciduous tree with a height of 15-30 meters. The saplings and twigs are densely covered with pubescence.

Populus euphratica grows quickly, and its leaves can be used as fodder. The wood is water-resistant and rot-resistant. It is a special material for building bridges. It can also be used for papermaking and furniture. Populus euphratica forest can block wind and sand, green the environment and protect farmland. It is an important afforestation tree species on both sides of rivers or in places with high groundwater in northwest my country.

Information introduction

Lop Nur: It is called "Lop Nor" in Mongolian, which means "the lake that merges into many waters". It is located in the east of the Tarim Basin and in the north of Ruoqiang County. It was originally the largest lake in Xinjiang and the second largest inland saltwater lake in China. It is gourd-shaped, with an area of ​​20,000 square kilometers in the fourth century AD. In 1941, the area was 3,006 square kilometers. By 1972, when Lobu Lake dried up, it was only 450 square kilometers.

What does the title "Lop Nur, the Lost Immortal Lake" tell us?

"Bo", three points of water, Lop Nur is related to water.

"Fairy Lake" is like a fairyland, an extremely beautiful lake.

"Disappear", disappear. "Pass away" means regret.

summary:

This text is excerpted from a reportage. Lop Nur used to be a beautiful fairy lake before the 1970s, but now it has become a terrifying desert that has swallowed up countless lives. The author explains through detailed information that man's greed and blind pursuit of nature are the main reasons for this tragedy. At the end of the text, the author issues a call to save the ecological environment.

The whole text is full of strong sense of worry and regret. Use a variety of expression techniques, the first is comparison; the second is personification, using the things themselves to express shock in people's hearts; the third is the use of data to explain objectively.

Tragedies like this are still happening all around us. Can you give us a few examples?

In August 2004, affected by the strong typhoon "Yunna", three towns in the northern mountainous area of ​​Yueqing City were hit by huge mudslide disasters. Experts pointed out that although this disaster was related to the local geological conditions, the local people deforestation the mountainous areas indiscriminately. Vegetation and damage to the local ecological environment are also among the triggering factors.

Expand and extend

If you were a Populus euphratica growing beside Lop Nur for thousands of years and witnessed the changes in this vicissitudes of life, what would you tell mankind?

Keywords: "Lop Nur, the Lost Fairy Lake" courseware PPT, download the Chinese PPT courseware for the second volume of the eighth grade of the New People's Education Edition, download the eighth grade Chinese slide courseware, download the "Lop Nur, the Lost Fairy Lake" PPT courseware, .PPT format

For more information about the PPT courseware "The Lost Fairy Lake in Lop Nur", please click the "The Lost Fairy Lake in Lop Nur" ppt tag.

"Lop Nur, the Lost Immortal Lake" PPT courseware 9:

"Lop Nur, the Lost Fairy Lake" PPT Courseware 9 Question Discussion: What information does the text title "Lop Nur, the Lost Fairy Lake" tell us? What questions can you ask about this topic? 1. What kind of fairy lake was Lop Nur once? 2. Lop Nur now...

"Lop Nur, the Lost Immortal Lake" PPT courseware 8:

"Lop Nur, the Lost Fairy Lake" PPT Courseware 8 Thinking about what kind of fairy lake Lop Nur was? When did it disappear? Why does it disappear? What does Lop Nur look like now? What consequences will the disappearance of Lop Nur bring? What other similar tragedies are there? ..

"Lop Nur, the Lost Immortal Lake" PPT courseware 7:

"Lop Nur, the Disappearing Fairy Lake" PPT courseware 7 The title of the article, what information can the disappearing fairy lake of Lop Nur tell us? Lop Nur used to be a beautiful and charming lake, but now it has disappeared and turned into a desert. Introduction: Lop Nur is located in the east of the Tarim Basin..

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