魏碑是从汉隶到哪种书体之间的一种书体的总称（）.
A、隋楷
B、唐楷
C、宋楷
D、元凯
参考答案：B
Over two thirds of the population were believed to have no ______ to the health care in the west rural area in China.
A．aid
B．basis
C．belief
D．access
CO2与H2O以哪些方式生成？
