Yesterday Tom
A.go to | B.went to | C.goes to |
A.are | B.was | C.were |
A.old | B.young | C.long |
A.time | B.birthday | C.sport |
A.tall | B.short | C.heavy |
A.weigh | B.weighs | C.weight |
A.fast | B.faster | C.slow |
A.comes | B.came | C.come |
A.has | B.have | C.had |
A.interesting | B.interested | C.interests |
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