Li Yao is ten years old. He is a
A.teacher | B.student | C.doctor |
A.goes | B.studies | C.plays |
A.worker | B.reporter | C.postman |
A.coach | B.scientist | C.teacher |
A.farmer | B.pilot | C.fisherman |
A.get | B.gets | C.getting |
A.go | B.goes | C.going |
A.like | B.like to | C.likes |
A.English | B.read stories | C.sing songs |
A.afraid | B.happy | C.worried |
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