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A: I send you an English book. Did you get 1.[[QOrDeR]].
B: Yes, I got 2. 【小题2】.
A: Look at the dress. Do you like 3.【小题3】.
B: No, I don’ t like 4.【小题4】.
A: The shoes look nice. Do you want 5.【小题5】.
B: Yes, I want 6.【小题6】.
A: The children fell off their bikes.
B: Let’ s help 7【小题7】.
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
