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Nancy: Hi, Helen.
Helen:
Nancy: Thanks.
Helen: How many rooms are there?
Nancy:
Helen: Can I have a look?
Nancy: Sure.
Helen: It’s so big. Where is your bedroom?
Nancy:
Helen: Wow! There are many dolls in your room.
Nancy: Yes. Let’s play together.
Helen: OK!
| A．How nice! |
| B．It’s in the fridge. |
| C．This is the living room. |
| D．Welcome to my home. |
| E．Let’s go to the bedroom. |
| F．There are five. |
| G．It’s beside the bathroom. |
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
