A栏
( )(1)How are you?
( )(2)Let’s play.
( )(3)Good morning.
( )(4)Nice to meet you.
( )(5)Where is my pen?
( )(6)Hello!
( )(7)Goodbye!
( )(8)How old are you?
( )(9)Have some juice.
( )(10)I like cats.
B栏
A.OK! |
B.Nice to meet you, too. |
C.Hi! |
D.I’m fine. |
F. Thank you.
G. Good morning.
H. It’s under the chair.
I. Goodbye!
J. I’m 10.
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