( )(1)桌子 A.desk B.chair
( )(2)在……上面 A.in B.on
( )(3)书包 A.schoolbag B.blackboard
( )(4)在……中间 A.behind B.between
( )(5)在……旁边 A.beside B.under
( )(6)老师 A.pupil B.teacher
( )(7)铅笔 A.pencil B.pen
( )(8)椅子 A.desk B.chair
( )(9)尺子 A.ruler B.crayon
( )(10)黑板 A.blackboard B.book
( )(11)名字 A.game B.name
( )(12)在……后面 A.behind B.beside
( )(13)她的 A.his B.her
( )(14)五十 A.fifty B.fifteen
( )(15)什么 A.where B.what
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