[[QOrDeR]]
A.Yes,there was. |
B.No,there isn’t. |
C.Yes.there were. |
D.No,there wasn’t. |
A.Yes,she wants a new dress. |
B.She wants a new dress. |
C.She wanted a new dress. |
D.No,she doesn’t. |
A.They are behind the door. |
B.They were behind the door. |
C.It’s behind the door. |
D.They were behind the desk. |
A.Yes,they were. |
B.Yes,it Was· |
C.Yes,there were. |
D.Yes,it is. |
A.They are watching a running race. |
B.No,they weren’t. |
C.Yes.they were. |
D.Yes,they are. |
A.Yes,you can. |
B.No,you can’t. |
C.Yes.I could. |
D.Sure. |
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