It’s 7:00 am. A bus
A.take | B.takes | C.to take |
A.going | B.go | C.goes |
A.in | B.on | C.by |
A.am | B.is | C.are |
A.in | B.on | C.by |
A.to | B.about | C.at |
A.want | B.wants | C.wanted |
A.a | B.an | C.the |
A.is | B.do | C.does |
A.are | B.about | C.for |
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