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A: Good morning. _________1_________
B: Yes，I’d like a birthday card.
A:_________2________
B: No，I’d like one for my mother.
As What a good daughter! _________3________
B: It looks nice. But my mother doesn’t like red.
A:_________4________
B: She likes blue and green._________5________
A: Of course. Here you are.
B : It’s nice. It’s my mother’s favourite. _________6________
A: Two yuan, please.
1._______ 2. ______ 3. _______ 4. _______ 5. _______ 6. _______
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
