9 . Most people will tell you that without a cup of coffee in the morning, they cannot function. Coffee is a good drink when consumed in right amount.       1    

Legend says that Kaldi, an Ethiopian, discovered his goats enjoy eating coffee plants. Curious, he tasted the leaves and began to dance around. A passing monk (僧侣) witnessed the scene and took some back to his fellow monks. Later that night, the monks experienced extreme inspiration.     2    Soon Arabia was roasting coffee beans. By 1000 A. D. , Muslims were drinking coffee to stay awake. A merchant from Venice introduced coffee to Europe in 1615. By 1696, the Dutch started growing the coffee bush in Java. By 1723, coffee plants were introduced to the Americas. Today, coffee is the most popular drink in the world.

Caffeine (咖啡因) is the major chemical in coffee. Caffeine poisoning can occur if more than 400 milligrams of caffeine is drunk in a short period, which is about four to five cups of coffee.     3    So it should be avoided before bed.

    4     Studies have shown that it helps cognitive (感知) skills in elderly women. Women who drank three cups of coffee daily scored higher on memory tests than women who drank one cup of coffee.

Large amounts of coffee can cause nervousness, worries and heartburn. However, if mixed with milk, it is fine.     5    The more you drink, the more you depend on it. For some people, just one cup of coffee a day is OK.

Porcelain, also called fine china,    1    (feature) its delicate texture, pleasing color, and refined sculpture, has been one of the    2     (good) artworks introduced to the Western world through the Silk Road. The earliest one    3     (find) made of Kaolin (高岭土) in the Shang Dynasty (17^th-11^th century BC), and possessed the common aspects of the smoothness and unaffected quality of hard enamel (瓷釉), while pottery wares (陶器) were more widely used among most of the ordinary people. Anyway it was the beginning. In the following dynasties, due    4     its durability and shine, porcelain rapidly became    5    necessity of daily life,     6     (especial) in the middle and upper class. It was made    7    the form of all kinds of items, such as bowls, cups, tea sets, vases, jewel cases, musical instruments and boxes, as well as pillows for traditional doctors to feel one’s pulse.

Through the     8     (develop) of over 4000 years, now it is still a brilliant kind of art that attracts thousands of people. The Porcelain Capital, Jingdezhen in Jiangxi Province,     9     has been praised for thousands of years, will be certain     10     (satisfy) your appetite for beauty.