( )(1)A.hat B.board C.desk
( )(2)A.bread B.good C.cake
( )(3)A.light B.fan C.school
( )(4)A.boy B.idea C.girl
( )(5)A.cat B.ant C.egg
( )(6)A.box B.six C.seven
( )(7)A.peach B.lamp C.apple
( )(8)A.teacher B.doctor C.desk
( )(9)A.bread B.cake C.hand
( )(10)A.chair B.desk C.dog
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