(_______) 1. Good afternoon.
A.Good morning!
(_______) 2. What’s your name?
B.Fine, thank you.
(_______) 3. Hello!
C.Great!
(_______) 4. Goodbye!
D.Nice to meet you, too.
(_______) 5. Let’s go to school!
E.My name’s John.
(_______) 6. Good morning!
F.See you!
(_______) 7. How are you?
G.Good afternoon.
(_______) 8. Nice to meet you. H. Hi!
(_______) 9. Let’s paint! I. OK!
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