搜索
（1）What's your name? ________
A．Good morning!
（2）What's this?________
B．It's on the table.
（3）How are you?________
C．My name is Wang Li.
（4）Good morning!________
D．Three.
（5）Is this your eraser?________
E．It's a cake.
（6）Where is your bag?________
F．He is ten years old.
（7）What color is the apple?________
G．I'm fine, thanks.
（8）How many dogs are there?________ H. Yes, it is.
（9）How old is he?________ I. No, I don't.
（10）Do you like Music?________ J. It's green.
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
