[[QOrDeR]]Who umbrella isthis? (
A B C
【小题2】Whosearethis? (
A B C
【小题3】No, itis. It’s Tom’s fan. (
A B C
【小题4】Puttheyaway! (
A B C
【小题5】Isthisyou bag? (
A B C
【小题6】Rememberto tell I. (
A B C
【小题7】Whosethingsis these? (
A B C
【小题8】Who will theysay to Micky? (
A B C
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