(1)A.crayon B.rubber C.shop
(2)A.ruler B.desk C.rabbit
(3)A.key B.monkey C.photo
(4)A.storybook B.bike C.bookmark
(5)A.purse B.panda C.pencil
(6)A.zebra B.zoo C.park
(7)A.apples B.orange C.desk
(8)A.dress B.plane C.cake
(9)A.window B.white C.watermelon
(10)A.purse B.perhaps C.panda
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