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| A．It’s Mother’s Day tomorrow. | B．Your mother will be happy, too. |
| C．I’m painting a picture. | D．I’m drawing some flowers. |
Daming: What are you doing, Lingling?
Lingling: (1) ________
Daming: What picture?
Lingling: A picture for my mother. (2) ________
Daming: Oh, a special day for mothers. What are you drawing?
Lingling: (3) ________. My mother likes flowers.
Daming: Your mother will be very happy.
Lingling: Are you going to draw a picture for you mother?
Daming: No, I’m going to buy some flowers tomorrow.
Lingling: (4) ________
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
