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Mike: Dad, what time is it?
Dad: It’s 7:30. Hurry up, Mike!
Mike: OK, Dad.
Dad: Are they in your schoolbag?
Mike:
Dad: Are they behind the door?
Mike: Yes, they are. And there is a scarf behind the door.
Dad:
Mike: It’s green and white.
Dad: It’s your sister’s.
| A．Whose scarf is this? |
| B．No, they aren’t. |
| C．What colour is it? |
| D．It’s time to go to school. |
| E．But where are my gloves? |
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
