问题
单项选择题
某患者，60岁。
因松动于三个月前拔除，要求修复
患者缺牙属（）。
A．肯氏第一类
B．肯氏第二类
C．肯氏第三类
D．肯氏第四类
E．肯氏第一类第一亚类
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
某患者，60岁。因松动于三个月前拔除，要求修复
患者缺牙属（）。
A．肯氏第一类
B．肯氏第二类
C．肯氏第三类
D．肯氏第四类
E．肯氏第一类第一亚类
参考答案：C
Every scientist has a childhood dream. A scientist in China once had a(n) . He wished to grow a new type of rice which could produce a lot. This person is Yuan Longping was born in 1930. He graduated from the Southwest Agricultural(农业) University in 1953. Yuan Longping came up with an idea for a hybrid rice in the 1960s. Since then, he has devoted himself to the research and development of new varieties(品种). In 1973, together with other people, he in the development of hybrid rice. This made China be a worldwide leader in rice production. For this, he was called Father of Hybrid Rice. In 1980, the technology for hybrid rice was to the United States. Professor Yuan’s hard work, China now produces enough rice to her people every year. In his spare time, he loves playing violin and listening to music. Every night, he reads half an hour before he goes to sleep. He likes swimming, too. It is said that Professor Yuan is one of the people in China. And he cares about but his research. Now Professor Yuan is working on developing super hybrid rice. He goes to the fields twice a day.
|