A.秦漢時(shí)期B.隋唐時(shí)期C.魏晉時(shí)期D.先秦時(shí)期
A.7000-4000B.6000-4000C.5000-4000D.8000-5000
A.3-4個(gè)B.2-3個(gè)C.其余選項(xiàng)均不正確D.4-5個(gè)