A.Help! | B.What’s that? | C.Yes, it is. | D.No, it isn’t. | E.Is it a kite? |
2. 你想知道那是不是一只风筝,可以问:______
3. 别人问你那是否是一条小狗,你确定那不是一条小狗,可以说:______
4. 想请别人帮忙,你可以说:______
5. 别人问你那是否是一只猫,你确定那是一只猫,可以说:______
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