1.Can I have your library card, please? ( )
A.图书卡 | B.图书室的卡片 | C.借书证 |
A.书架A | B.书架A上 | C.在A书架上 |
A.擅长 | B.以……擅长 | C.不擅长 |
A.发明 | B.弄清楚 | C.发掘出来 |
—Yes, you’re right.
A.你不用客气 | B.你是正确的 | C.好吧 |
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