麦希维克统计两晋重要人物出身比例简表
大中正 | 一品高官 | 最高军职 | 爵位继承 | 皇后 | |
东汉 | 26% | 27% | 27% | - | 53.33% |
三国 | 11% | 14% | 10% | 11% | 13.33% |
两晋 | 63% | 59% | 63% | 39% | 33.33% |
A.官员流动机制削弱 | B.政治权力具有不稳定性 |
C.政权交替非常频繁 | D.中央集权得到不断加强 |
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