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Li Ting and Li Ping are twins. They are good at English. They like to swim and ride bikes in their holidays. They like to sing and dance too. They often sing and dance on the weekend. But they are not all the same. Li Ting likes listening to music, but Li Ping likes watching TV. Li Ting likes going camping, but Li Ping likes going fishing. They often help each other.
1．What are they good at? ( )| A．Math. | B．English. | C．Chinese. |
| A．Swim and ride bikes. | B．Swim and sing. | C．Swim and ride horses. |
| A．No, they don’t. | B．I don’t know. | C．Yes, they do. |
| A．Li Ting. | B．Li Ping. | C．Li Ting and Li Ping. |
| A．Yes, she does. | B．Yes, they do. | C．No, they don’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
