I have
A.lots of | B.the | C.a lot |
A.they | B.us | C.them |
A.a | B./ | C.an |
A.doesn’t like | B.likes | C.has |
A.also | B.too | C.only |
A.or | B.and | C.not |
A.what | B.one | C.every |
A.use | B.uses | C.using |
A.doesn’t | B.not | C.don’t |
A.vegetable | B.sport | C.colour |
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