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1．Why is the speaker feeling sad?
| A．Because it’s her first day at Brenton Hospital. |
| B．Because it’s her birthday and she’s at hospital. |
| C．Because her bicycle was broken down a hill. |
| A．She fell off her bike. | B．She was hit by a car. | C．She had a heart problem. |
| A．She asked the doctors for help. |
| B．She took the speaker to the hospital. |
| C．She called the speaker’s family. |
| A．A support for her leg. | B．Some medicine. | C．An operation. |
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
