Porcelain, also【小题1】(call) fine china, featuring its delicate texture, pleasing color, and refined sculpture, has been one of the 【小题2】(good) artworks introduced to the western world through the Silk Road. The earliest one 【小题3】(find) made of Kaolin in the Shang Dynasty (17th-11th Century BC), and possessed the common aspects of the smoothness and unaffected quality of hard enamel, though pottery wares were more【小题4】(wide) used among most of the ordinary people. Anyway it was the beginning. In the following dynasties, due 【小题5】its durability and shine, porcelain rapidly became 【小题6】necessity of daily life, especially in the middle and upper classes. They were made in the form of all kinds of【小题7】(item), such as bowls, cups, tea sets, vases, jewel cases, musical instruments and boxes, as well as pillows for traditional doctors to use to feel one's pulse.

Through the【小题8】(develop) of over 4,000 years, now it is still a brilliant kind of art that attracts thousands of people. The Porcelain Capital, Jingdezhen in Jiangxi Province,【小题9】 has been praised for thousands of years, will be certain 【小题10】(satisfy) your appetite for beauty.

Overpopulation is not【小题1】 (simple)a function of the size or density of the population, but rather the number of individuals【小题2】 (compare)to the resources needed for survival or well-being. Overpopulation can【小题3】 (determine) using the ratio(比率) of population to available resources. If a given environment has【小题4】population of ten, but there is food or drinking water enough for only nine, then that environment is overpopulated. Overpopulation can result from an increase in births or from an increase in【小题5】 (immigrate) . Overpopulation is also related to issues of birth control, with some nations taking strict measures in order to reduce birth rates, while opposition to birth control has been cited as a factor contributing to overpopulation and poverty. On a global scale, since the industrial revolution, food production【小题6】 (grow)faster than human population. 【小题7】, there are other changes impacting earth's ability【小题8】 (function) as a suitable habitat for human beings. Nevertheless, almost all growth will take place in the less developed regions, 【小题9】today’s 4.3 billion population is expected to increase【小题10】6.8 billion in 2050.

After graduating from Peking Union Medical College, Lin Qiaozhi was hired 【小题1】 a resident physician. After the foundation of the new People’s Republic of China, she held many important positions, but she was more interested in 【小题2】 (tend) patients. Dr Lin is known as the “mother of ten thousand babies” 【小题3】 she delivered over 50,000 babies in her lifetime.