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Extracurricular life in high school is so much fun! Classification: Sichuan Provincial High School Teaching Quality Comrade Xu Xingzhen is in the city's high schools.

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Superior teachers guide the study of high school.

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Teaching (Please promote this page to your classmates or netizens) Production: Yellow River Network 2005 This **animation for high school students**Synchronous teaching, this is a professor-level lecturer's lecture! Junior high school students can also study completely on their own Junior High School Year 1 Chinese Volume 1 Lesson 1 Moonlight on the Lotus Pond Lesson 2 Takeism Lesson 3 Speech at Marx's Tomb Lesson 4 ...

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Special Collection of History of High Schools in Other Provinces · New Curriculum Standard Full Set of Lesson Plan Test Questions** Latest Popular There are no hot articles under this column Latest Recommendation Teaching**: During the Industrial Revolution Teaching**: Modern Chinese Teaching**:

Arrange sentence order.

The deterioration of the environment and the beginning of the extinction of animals and plants will pose a direct threat to the survival of human beings.

Therefore, it is reasonable to say that the protection of various species is the protection of human beings themselves.

Recently, zoologists have discovered that amphibian populations have declined dramatically in many parts of the planet, with 100,000 frogs mysteriously disappearing in some areas and some frogs disappearing almost "overnight".

Due to the co-evolution of human beings and various animals and plants on the earth in the common home, the two sides are interdependent and mutually restrictive, forming an unbalanced biological chain.

Therefore, the "disappearance of frogs" is likely to be a warning that the state of the environment has deteriorated in general.

Amphibians, which have strong vitality, have far lower environmental requirements than humans, but are more sensitive to environmental changes than humans.

Answer (4 6 1 5 3 2.)

461532, I've done this question, so you're right, and you're wrong.

(3) In this season of bright spring and long flowers, those nameless wildflowers also silently appeared, quietly giving color and fragrance to people. (6) Aren't the thousands of laborers just the nameless flowers blooming on the land of the motherland? (4) I like nameless flowers, those wildflowers that grow in nature that cannot be named.

1) On the earth where the spring breeze has just blown, all kinds of precious flowers are blooming one after another, showing off their beauty. (5) Seeing this ordinary nameless flower, I think of people working in ordinary positions. (2) The grass also breaks through the soil, sticks out of the ground, stretches the waist, and rejuvenates.