[[QOrDeR]]打开盒子看看。
_________ the box and __________ .
【小题2】我的爱好是集邮。
My hobby is _________ _________ .
【小题3】谢谢你的帮助。
Thank you _________ your _________ .
【小题4】学生们通过做游戏学习英语。
Students _________ English by _________ games.
【小题5】早上九点开始上课。
School _________ __________ nine in the morning.
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