It is Saturday today.
Tomorrow morning I
A.Near | B.After | C.Behind |
A.fly | B.swim | C.walk |
A.museum | B.school | C.library |
A.is | B.very | C.isn’t |
A.there | B.here | C.to there |
A.or | B.but | C.and |
A.am | B.will | C.wants |
A.post office | B.bookstore | C.school |
A.sends | B.send | C.sending |
A.of | B.in | C.about |
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