Write about how to write a thing by comparing it with columns, numbers, and making comparisons

Compare the numbers in columnsElephants

Elephants are very intelligent, like humans, and can carve out fields and bury their dead companions in the dead leaves. Elephants live a long lifespan, generally living to be around 70 years old, and it is sexually mature between 10 and 15 years old.

The pregnancy period is up to 22 months.

Asian elephants. With a height of 2 to 4 meters at the shoulder and a weight of 3 to 5 tons, it weighs as much as a car, an African elephant.

The height of the shoulder is 3 to 4 meters and the weight is 8 tons, and the average shoulder height of the African forest elephant is not more than one meter and the weight of the ton.

The elephant's head is large, the ears are as large as a fan, and the limbs are as thick as a cylinder to support the huge body, and the knee joints.

Unable to flex and stretch freely, the length of the nose is almost equal to the length of the body, cylindrical, and can be flexed freely; The trunk is made entirely of muscles, with nostrils opening at the end and finger-like protrusions at the tip of the nose that can pick up objects, and the trunk is very flexible and can pick up objects weighing up to 1 ton, as well as small foods as small as peanuts.

1.Example:

This is a method of explanation that gives practical examples to illustrate things, and makes the things to be explained concrete, so that the reader can understand them.

It's called an example. To illustrate things or facts by giving examples, we should pay attention to the representativeness of the examples and the appropriateness of the examples.

2.For comparison:

Explain some abstract or relatively unfamiliar things, and compare them with concrete or familiar things, so that readers can get a concrete and distinct impression through comparison.

A comparative approach to numbers depicts elephantsElephants are very intelligent, human-like, able to carve out fields and bury dead companions in the dead leaves. Elephants live a long lifespan, generally living to be around 70 years old, it is sexually mature between 10 and 15 years old, and the gestation period is up to 22 months. Asian elephants are 2 to 4 meters tall at the shoulder and weigh 3 to 5 tons, which is as heavy as a car, African elephants are 3 to 4 meters tall at the shoulder and weigh up to 8 tons, and the average African forest elephant is no more than meters tall at the shoulder and weigh tons.

The elephant's head is large, the ears are as large as a fan, the limbs are as thick as a cylinder to support the huge body, the knee joints cannot be flexed and extended freely, the nose length is almost equal to the body length, it is cylindrical, and it can be extended and flexed freely; The trunk is made entirely of muscles, with nostrils opening at the end and finger-like protrusions at the tip of the nose that can pick up objects, and the trunk is very flexible and can pick up objects weighing up to 1 ton, as well as small foods as small as peanuts. Elephants can communicate with infrasound waves that humans can't hear, and in the absence of interference, they can generally travel 11 kilometers, and if they encounter uneven media caused by air currents, they can only travel 4 kilometers, and if they still communicate in this case, the elephant herd will stomp their feet together, producing a powerful "boom" sound, which can travel up to 32 kilometers.

Questions. Thank you.

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1. How to write column numbers:

The area of lakes in the middle and lower reaches of the Yangtze River was more than 22,000 square kilometers in the 50s of the 20th century.

By the 80s of the 20th century, only 12,000 square kilometers remained, which decreased.

2. Comparative writing:

The Pacific Ocean covers an area roughly equal to the other three oceans combined, and is larger than the smallest Arctic Ocean.

Fourteen times larger. Use the method of comparison as an illustration.

It can better highlight the characteristics of the object to be explained, leave a deep impression on the reader, and enhance the effect of the explanation.

For example, in the article "The Majestic Great Hall of the People", the author uses the method of comparison to illustrate the floor area of the banquet hall: "The banquet hall with 5,000 seats is a different scene. With an area of 7,000 square meters, it is larger than a football field, and the elaborate design is rare.

> role of the column.

Column numbers are one of the methods of explanation, and the numbers can reflect the characteristics of things more intuitively and concretely, and the number description will be more scientific and accurate. For example, "Chinese Stone Arch Bridge.

This is how the Zhaozhou Bridge is described.

The Zhaozhou Bridge is very majestic, with a total length of meters, a width of meters at both ends, and a slight narrowness in the middle, with a width of 9 meters.

The Zhaozhou Bridge is 9 meters long, 9 meters wide, and the two ends are wide. The length and width of the bridge can also be calculated, and the number is accurate to the millimeter, which shows the rigorous attitude towards the work of roads and bridges, construction and other industries.

When there is no exact number, it is also necessary to estimate the number that is closest to the true value, and strive to be accurate and rigorous, and evidence-based. For example, China has captured a head weighing 40,000 kilograms.

The whale is about seventeen meters long, and one tongue weighs as much as a dozen big fat pigs.

Asian elephants are 2 to 4 meters tall at the shoulder and weigh 3 to 5 tons, which is as heavy as a car.

l.From a distance, we don't think it's big, but it's actually so big that it's about a few dozen people the size of an elephant.