Earthworms have an amazing digestive system, like feces and various organic wastes. Except glass, plastic and metal, they "eat" all other wastes, such as eggshells, banana peels, cardboard and sewage. He ate with relish and his appetite was wide open.

An earthworm farm in California raises 500 million earthworms, which can eat 200 tons of garbage every day and get a lot of high-quality fertilizers.

A factory in Japan needs $400,000 to treat wood pulp residue every year. After importing earthworm 125 tons, we can not only clean up these wastes in time, but also sell earthworm manure to a nearby vegetable market, and soon recover the cost.

Earthworms are the "main force" to protect the environment and treat urban organic waste, and also natural producers of high-quality and waste materials, and automatic "scarifiers" for crops and vegetables, so earthworms are good friends of human beings.

1. What examples are cited to illustrate that earthworms are the "main force" in environmental protection and waste disposal, and are also natural producers of high-quality fertilizers?

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2. What explanation method is used in this article? Write several kinds and attach the original text.

( 1)____:________________

(2)____:________________

(3)____:________________

Draw a sentence with ""to point out the center of the article.

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Of the six numbers 1.0.4, 2, 2.5, 5, 1 and three fifths, 40 and () can be divisible by (), so () is a multiple of (), and () is a multiple of ().

2. The fraction unit is 10, and the sum of all the simplest true fractions of 1 is ().

3. The sum of three consecutive even numbers is 24, the greatest common divisor of these three numbers is (), and the smallest common multiple is ().

4. Write the true score and false score of three fractional units with the same size, and the scores are (), (), ().

5. Where 1/2,3/1,4/ 1, 6/ 1, 8/ 1,1,(), (.

1. The age difference between the two brothers is three years. After three years, the older brother is four times as old as the younger brother six years ago. How old are my brother and brother this year?

1. Earthworms can digest the dirt in eggshells, banana peels, cardboard and sewers. Earthworms are the "main force" to protect the environment and treat urban organic waste, and also natural producers of high-quality and waste materials, and automatic "scarifiers" for crops and vegetables, so earthworms are good friends of human beings.

2. A factory in Japan needs $400,000 a year to treat wood pulp residues, but it can get 125 tons of earthworms (1). A factory in Japan needs $400,000 a year to treat wood pulp residue, but it can get enough.

125 tons of earthworms.

(2) Metaphor: Earthworms are the "main force" to protect the environment and treat urban organic waste.

(3) For example: Earthworms have an amazing digestive system. They like feces and all kinds of organic wastes except glass.

Except plastic and metal, it "eats" all other rubbish, such as eggshells, banana peels, cardboard and rubbish.

He ate all the soil in the waterway with relish, and his appetite was amazing.

3. "Earthworms are the' main force' to protect the environment and treat urban organic waste, as well as natural producers of high-quality and waste materials, and automatic' scarifiers' for crops and vegetables, so earthworms are good friends of human beings." earthworm

Earthworms have an amazing digestive system, like feces and various organic wastes. Except glass, plastic and metal, they "eat" all other wastes, such as eggshells, banana peels, cardboard and sewage. He ate with relish and his appetite was wide open.

An earthworm farm in California raises 500 million earthworms, which can eat 200 tons of garbage every day and get a lot of high-quality fertilizers.

A factory in Japan needs $400,000 to treat wood pulp residue every year. After importing earthworm 125 tons, we can not only clean up these wastes in time, but also sell earthworm manure to a nearby vegetable market, and soon recover the cost.

Earthworms are the "main force" to protect the environment and treat urban organic waste, and also natural producers of high-quality and waste materials, and automatic "scarifiers" for crops and vegetables, so earthworms are good friends of human beings.

1. What examples are cited to illustrate that earthworms are the "main force" in environmental protection and waste disposal, and are also natural producers of high-quality fertilizers?

__________________________________________________________________________________________________________________________________

2. What explanation method is used in this article? Write several kinds and attach the original text.

( 1)____:________________

(2)____:________________

(3)____:________________

Draw a sentence with ""to point out the center of the article.

~~~~~~

Of the six numbers 1.0.4, 2, 2.5, 5, 1 and three fifths, 40 and () can be divisible by (), so () is a multiple of (), and () is a multiple of ().

2. The fraction unit is 10, and the sum of all the simplest true fractions of 1 is ().

3. The sum of three consecutive even numbers is 24, the greatest common divisor of these three numbers is (), and the smallest common multiple is ().

4. Write the true score and false score of three fractional units with the same size, and the scores are (), (), ().

5. Where 1/2,3/1,4/ 1, 6/ 1, 8/ 1,1,(), (.

1. The age difference between the two brothers is three years. After three years, the older brother is four times as old as the younger brother six years ago. How old are my brother and younger brother this year?

1. Earthworms can digest the dirt in eggshells, banana peels, cardboard and sewers. Earthworms are the "main force" to protect the environment and treat urban organic waste, and also natural producers of high-quality and waste materials, and automatic "scarifiers" for crops and vegetables, so earthworms are good friends of human beings.

2. A factory in Japan needs $400,000 a year to treat wood pulp residues, but it can get 125 tons of earthworms (1). A factory in Japan needs $400,000 a year to treat wood pulp residue, but it can get enough.

125 tons of earthworms.

(2) Metaphor: Earthworms are the "main force" to protect the environment and treat urban organic waste.

(3) For example: Earthworms have an amazing digestive system. They like feces and all kinds of organic wastes except glass.

Except plastic and metal, it "eats" all other rubbish, such as eggshells, banana peels, cardboard and rubbish.

He ate all the soil in the waterway with relish, and his appetite was amazing.

3. "Earthworms are the' main force' to protect the environment and treat urban organic waste, as well as natural producers of high-quality and waste materials, and automatic' scarifiers' for crops and vegetables, so earthworms are good friends of human beings."