搜索
1. I cleaned the room.（改为一般疑问句）
__________________________________________
2. I was at home last night.（就划线部分提问）
__________________________________________
3. I watched a film with my friends yesterday evening.（就划线部分提问）
__________________________________________
4. We had a party last night.（改为否定句）
__________________________________________
5. He came here last month.（改为一般疑问句）
__________________________________________
6. They played football this morning.（就划线部分提问）
__________________________________________
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
