王泰林治肝用石决明、牡蛎、龙骨、龙齿、金箔、青铅、代赭石、磁石等,是属于()。
A.敛肝
B.平肝
C.镇肝
D.补肝
E.柔肝
参考答案:C
根据联合国标准,如果某地区65岁以上的人口达7%,则可视为进入老龄化社会。图5为“1964~2000年中国各年龄段人口占总人口比重变化图”。读图5,回答第8、9题。
小题1:1964~2000年我国人口增长状况是
A.人口的出生率迅速升高
B.0~14岁年龄段人口比重持续增加
C.15~64岁年龄段人口增长速度最快
D.65岁及以上年龄段人口增长速度最快小题2:进入2000年,我国面对的主要人口问题是
A.已进入老龄化社会,但就业压力仍较大
B.人口老龄化日趋严重,劳动力严重短缺
C.人口出现负增长,人口数量日趋减少
D.人口自然增长率偏高,每年新增人口多
The software architecture of a program or computing system is the structure or structures of the system, which comprise software (1), the externally (2)properties of those components, and the relationships between them. The architecture is not the operational software. Rather, it is a (3) that enables a software engineer to: analyze the (4)of the design in meeting its stated requirements, consider architectural alternatives at a stage when making design changes is still relatively easy, and reduce the(5) associated with the construction of the software.
(2)是()
A.visible
B.reliable
C.secure
D.robust