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Once upon a time, in the Kingdom of Chu of China, there was a man who sells shield and spears. Well, it is understandable that sellers always praise what they are selling. This man bragged about the high quality of his products. He says to others: my shields are the strongest one on the world, no sharp things can penetrate it. And then he takes one of his spears and boasts: my spear is the sharpest spear, no matter how strong an item is, it can penetrate it.

Limestone is a very common sedimentary rock composed largely of mineral calcite. Limestone is mostly grey. Sometimes it is composed of pure calcite, but in most cases, limestone is filled with some impurities such as clay, sand, iron oxide and other materials, which make it show other colors: iron oxide makes it brown, yellow, or red; carbon makes it blue, black, and gray. Therefore, the color of limestone can vary largely. One thing should be mentioned is: because limestone is an extremely porous rock, it is susceptible to staining.

Many families own pet birds. Being a bird owner is about more than cleaning cages and enjoying its beautiful songs. Sometimes birds can get injured, especially on their wings or beaks, at this time you should know what to do.

A beak to a bird is what hands to human beings. With beaks, birds can pick up things, eat, drink, and of course sing songs. Actually, for some bird, if the injure on the beak is too serious and can’t guarantee eating enough food. Then little by little the bird will be starved.

In some regions, there is a custom of eat poached egg with sugar. Actually, it is a bad custom, because such way of consuming eggs can transfer the amino acid into diaminocaproic acid, the latter is hard to be absorbed by human body.

Don’t eat persimmon shortly after consuming eggs. Eating these two substances at the same time can lead to vomiting and diarrhea.

Don’t drink soybean milk instantly after eating eggs. The beneficial trypsase in the soybean milk will combined with albumen in the egg white, which reduces nutrition in both substances.

No doubt, eggs are rich in nutrition and good for our health. But there are some wrong ways to eat eggs, which we should try to avoid. Because eating eggs in a wrong method can not only reduce the nutrition, but also induce diseases.

1. Don’t eat uncooked eggs. Because only after being heated in high temperature, the bacteria in the eggs can be killed and avidin in the eggs can be broke and not influence the absorption.

When mentioned Chinese literature, you may think of great works such as The Dream of Red Mansion, Sun tzu on the art of war, Romance of Three Kingdoms, of course you will think of the great writers who wrote the books. So many authors have contributed to treasury of Chinese literature. The followings are the most famous ones.

Great patriotic poet-Qu Yuan

In cold winters, leaves of most trees wither and fall and lots of creatures go into hibernation. Mother Nature doesn’t look as alive as in other seasons. Like nature, Human beings are also indolent in winters. However, people usually have good appetites in winter, which makes it easy to gain weight. Therefore, it is more important to play some sports if you want to keep in shape in winter. In fact, since your body consumes more energy in cold time, with appropriate exercises, you can take advantage of winter to shake off some extra fat from your body.