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Hello, I am Peter. Yesterday was Sunday. I walked to my grandpa’s home. It was his birthday. I bought many fruit and a big cake in the morning. My grandpa and grandma liked them very much. My mother cooked lunch. We had a good time.
1．What day was it yesterday? ( )| A．Sunday. | B．Saturday. | C．Friday. |
| A．On foot. | B．By car. | C．By bike. |
| A．My grandpa’s. | B．My grandma’s. | C．My mother’s. |
| A．No, they didn’t. | B．Yes, they did. | C．No, they did. |
| A．Yes, we were. | B．No, we were not. | C．Yes, we weren’t. |
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
