A: Hello, Li Ming.
B: Hello, Li Lei.____1____ are they?
A: Oh, sorry. This is Lucy. This is Lily. They are twins. Lucy, this is my friend, Li Ming.
C: Hi, Li Ming. ___2_____ to ___3_____ you.
B: Nice to meet you, ____4____ What class are you ____5____?
D: We’re in Class 2, Grade 1.
B: Oh, very good. We are in the same ___6_____.
D: By___7_____ ___8_____,____9____ you Japanese?
B: ____10____, I’m Chinese.
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