(1) A.I’m a dog . ( ) B.I’m a cat . ( )
(2) A.Hello,Amy. ( ) B.Hello,I’m Amy.( )
(3) A.It’s a desk . ( ) B.It’s a chair . ( )
(4) A.Good morning,boys.( ) B.Good morning,girls. ( )
(5) A.six chairs . ( ) B.seven chairs. ( )
(6) A.Sitdown,please. ( ) B.Stand up ,please. ( )
(7) A.It’s a panda . ( ) B.It’s a panpan . ( )
(8) A.point to the bird. ( ) B.point to the desk. ( )
(9) A.Good morning! ( ) B.Goodbye!.( )
(10) A.Hello! ( ) ( ) B.Bye-bye. ( )
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