搜索
| | jump high | play basketball | run fast | skate | play football |
| Amy | × | × | √ | √ | × |
| Lanlan | × | √ | × | × | × |
| Daming | √ | × | × | × | √ |
| Lingling | × | × | √ | × | × |
1．Can Lanlan play football well?
2．Who can jump high and play football?
3．What can Amy do?
4．Who can’t play basketball well?
5．Can all the girls run fast?
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
