搜索
James:Good morning! Yesterday was Saturday. What did you do?
Jenny:
James: Great!
Jenny: Yes. I cooked good food for them. And I watched TV with them.
James:
Jenny: We watched TV for two hours.
James:Did you clean up the room?
Jenny:
James:When did you go home?
Jenny:
| A．We went home at twelve. |
| B．Did you do anything for your grandparents? |
| C．No, I didn’t. |
| D．I visited my grandparents yesterday. |
| E．How long did you watch TV? |
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
