1. s _____ (游泳) 2. f ____ ____ (放风筝) 3. s _____ (滑冰)
4. m_____ ___ _____ (堆雪人) 5. b______ (因为) 6. w_____ (冬天)
7. w_____ (为什么) 8. p____ ____ (种树) 9. s _____ (睡觉)
10. s_____ (春天) 11. s______ (夏天) 12. f _____ (秋天)
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