Lingling: My name is Wang Lingling.
Ms Li: Nice to meet you, Lingling.
Lingling: I'm from Beijing.
Ms Li:
Lingling: I'm thirteen years old.
Ms Li:
Daming: My name is Daming and I'm from Beijing too.
Ms Li: Nice to meet you.
Daming:
Ms Li: Welcome to Class 4 Grade 7!
A.Where are you from? |
B.What about you? |
C.What's your name? |
D.Nice to meet you too. |
E.How old are you? |
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