搜索
John: Hi, Mom. 1.________
Mom: It’s 7 o’clock.
John: 2.________
Mom: Yes. Please hurry up（快点）!
John: OK. But where is my schoolbag?
Mom: 3._______
John: Oh! Thank you, Mom.4.________
Mom: Bye, John.
| A．Goodbye, Mom. |
| B．What time is it now? |
| C．Oh! It’s time to go to school. |
| D．Look! It’s on the sofa. |
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
