This is our classroom. It is
There’s a big desk. It is
What’s on the
A.an | B.a | C.the | D./ |
A.is | B.am | C.are | D.be |
A.on | B.in | C.under | D.at |
A.for | B.in | C.of | D.at |
A.of | B.for | C.in | D.at |
A.is | B.are | C.be | D.am |
A.our | B.ours | C.us | D.we |
A.teacher | B.teacher’s | C.a teacher’s | D.teacher’ |
A.It | B.They | C.You | D.We |
A.her | B.hers | C.him | D.his |
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