随葬品(件数) | 中期墓葬(座) | 晚期墓葬(座) |
0件 | 9 | 0 |
1~5件 | 10 | 24 |
6~10件 | 0 | 18 |
11~20件 | 2 | 16 |
20件以上 | 2 | 3 |
A.阶级社会的形成 | B.社会贫富分化 |
C.早期国家的出现 | D.生产力的发展 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2