Xiao Lin has a good friend.
A.She | B.Her | C.Hers |
A.from | B.to | C.of |
A.are | B.is | C.was |
A.month | B.year | C.week |
A.in | B.on | C.at |
A.like | B.likes | C.liking |
A.at | B.for | C.after |
A.make | B.making | C.do |
A.says | B.speaks | C.talks |
A.friends | B.workers | C.doctors |
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