Hello, everyone! I’m Kate. I’m in Class1. I have a good friend. Her
A.number | B.sister | C.name |
A.fine | B.nice | C.first |
A.lost | B.spells | C.found |
A.A | B.An | C.The |
A.be | B.are | C.is |
A.ruler | B.key | C.book |
A.five | B.two | C.three |
A.hers | B.mine | C.yours |
A.say | B.come | C.e-mail |
A.help | B.meet | C.thank |

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

