喜羊羊、沸羊羊、美羊羊、暖羊羊和懒羊羊在一起谈论各自的理想。
1. 喜羊羊想向大家传授知识。He's a
2. 懒羊羊想维护治安。He's a
3. 美羊羊想照顾病人。She's a
4. 沸羊羊想种更多的草。He's a
5. 暖羊羊想给病人看病。She's a
A.policeman | B.nurse | C.teacher | D.farmer | E.doctor |

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

