Peter gets up very early in the morning. He dresses,
A.cleans | B.washes | C.plays |
A.go | B.come | C.goes |
A.by bike | B.on bike | C.take this bike |
A.Have | B.Has | C.There are |
A.At | B.After | C.Before |
A.Lunch | B.Breakfast | C.Supper |
A.catches | B.have | C.has |
A.with | B.and | C.but |
A.work | B.housework | C.homework |
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