A、蔬菜 B、电灯 C、书包 D、书房 E、门
F、谢谢你 G、墙壁 H、电话 I、头发 J、勺子
(______) 1. light (______) 2. thank you (______) 3. hair
(______) 4. door (______) 5. schoolbag (______) 6. phone
(______) 7.vegetable (______) 8. study (______) 9. wall
(______) 10. spoon
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