搜索
Boy: Hello! What's your name?
Girl: I'm Sally.
Boy: How old are you?
Girl: I am seven.
Boy: Look! What's this?
Girl: It's a bag.
Boy: Is it green?
Girl: No, it isn't. It's yellow and red.
Boy: Where's your pen?
Girl: It's in my bag.
Boy: Is it black?
Girl: Yes, it is.
1．The boy is Sally. （______）
2．The bag is green. （______）
3．Sally is nine. （______）
4．The pen is in the bag. （______）
5．Sally is seven. （______）
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
