搜索
A: Hello,Amy ______________________________________?
B: We went to the country yesterday.
A: _________________________________________________?
B: Because we went to see my grandparents.
A: ___________________________________________________?
B: We helped my grandma do some housework.
A: __________________________________________________?
B: We stayed there for five hours.
A: ___________________________________________________?
B: By bus. But we ____________ back by train.
A:_______________________________________________?
B: Yes, I am going to pick the apple myself.
A: ________ he do his homework himself? B: Yes, he ___________.
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
