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( )| A．Linda: What did you eat yesterday? Lyn: I ate an apple. |
| B．Linda: What did you do yesterday? Lyn: I watched TV. |
( )| A．Betty: Where did you go yesterday? Kim: I went to the library. |
| B．Betty: Where did you go yesterday? Kim: I went to the cinema. |
( )| A．Jim: Did you have breakfast? Danny: Yes, I had breakfast. |
| B．Jim: Did you have breakfast? Danny: No, I didn’t. |
( )| A．Danny: Did you walk to the park? Betty: Yes, I walked to the park. |
| B．Danny: Did you take a bus to the park? Betty: Yes, I did. |
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
