Rice, noodles, meat, vegetables, fruits, etc.

　　Kilogram (symbol kg) is the basic unit for measuring quality in the international system of units, and it is also one of the most commonly used basic units in daily life.

　　Many items in daily life are measured in kilograms.

　　1. Eat: rice, noodles, meat, vegetables and fruits;

　　2. Use: dumbbells, grip meters, scales, weighing scale, etc. Apples, Sydney, cakes, Ipoh, clothes, mobile phones, cigarettes, wine, cement, lighters, ice cream, hand sanitizer, laundry detergent, shampoo, toothpaste, pineapple, jackfruit, mangosteen, chicken, duck, goose, biscuits, rice, pillow, cola, sprite, flashlight, washing machine, washing powder, schoolbag. . . .

　　1,000 kg of items include: a chicken, a fish, a grapefruit, a big dictionary, a liter of water, a liter of coke, a shot put, a small pumpkin, a bottle of soy sauce and a bag of rice.

　　2, grams of goods are a bag of salt, an egg, a bag of instant noodles, a bundle of spinach, a bag of pepper, a bag of soup, a plate of dumplings, a bag of rice crust.

　　3. The unit of measurement, grams and kilograms, was already produced in ancient China. China is an ancient country with a long history of up and down 5,000 years. The wisdom of its ancient people found that time varies according to the length of sunshine and the changes of temperature, precipitation and snowfall in four seasons, and the weight of different things is also different. 1, the unit of weight, has a long history, in ancient times, countries have their own units of measurement, the ancient unit of weight in China, Jun: 30 Jin is a jun; Ten guineas weigh one baht, twenty-four baht one or two, and sixteen pounds.

　　2. China has specific units of measurement, such as kilograms and tons in the world, pounds in the United States and Britain and so on. 3. There is no "Jin" in the international standard unit, which is a unit in China. Secondly, units such as "Jin" and "kg" obviously belong to weight units in physics, but are by no means mass units.

　　One kilogram is 1000 grams, which is 2 Jin. There are two bottles of 500 ml mineral water, a medium-sized pumpkin, four boxes of milk, two bundles of 500 grams of noodles, a big carp, an iron pot and so on.