搜索
Lily has three good friends, Amy, Jane and Nancy. Amy wears a red and white dress. She likes red and white. Jane wears a blue and white sweater. She likes blue. Nancy wears a green and white skirt. She likes green.
1．Lily has _______ good friends. ( )| A．two | B．three | C．four |
| A．white | B．red | C．black |
| A．white | B．green | C．blue |
| A．Amy. | B．Jane. | C．Nancy. |
| A．Lucy’s | B．Lily’s | C．Anne’s |
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
