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A: Good morning, Kitty.
B: Good morning, Ben.
A: Where are we going?
B: I want to buy a birthday present for my brother.
A:
B: It’s on the tenth of October.
A: How can we go there?
B:
A: Look, there are so many toys.
B: About twenty. I like that robot.
A: Which one?
B: The big grey one.
Shop Assistant: It’s fifteen yuan.
| A．We can go there by bus. |
| B．How many robots are there in the toy shop? |
| C．Let’s go to the toy shop. |
| D．Excuse me. |
| E．When’s his birthday? |
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
