搜索
| A．if zs>2.5: print("较差") elif 0.5<zs<2.5: print("正常") else: print("较好") | B．if 2.5>zs>0.5: print("正常") elif zs<0.5: print("较好") else: print("较差") | C．if zs>2.5: print("较差") elif not zs>0.5: print("较好") else: print("正常") | D．if zs<0.5: print("较好") elif not zs>2.5: print("正常") elif zs>2.5: print("较差") |
| A．A | B．B | C．C | D．D |
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
