年份 产品比例 | 1950 | 1960 | 1970 | 1980 | 1985 |
机械设备/% | 12.3 | 20.7 | 21.5 | 15.8 | 13.9 |
燃料和电力/% | 3.9 | 16.2 | 15.6 | 46.9 | 52.7 |
矿石、金属及其制品/% | 10.8 | 20.2 | 19.6 | 8.8 | 7.5 |
粮食及粮食加工品/% | 21.1 | 13.1 | 8.4 | 1.9 | 1.5 |
日用工业产品/% | 4.9 | 2.9 | 2.1 | 2.5 | 2.0 |
A.扭转了片面发展重工业的局面 | B.赫鲁晓夫改革改善了国内民生 |
C.经济发展日益倚重于能源出口 | D.勃列日涅夫改革提高生产效益 |
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