搜索
Tomorrow is Children's Day. We are going to have a class party. Amy and Betty are buying things for the party in a supermarket. They buy some balloons(气球) and color papers. They want to make some paper flowers. They buy some fruits, too. They want to buy some oranges. But they're too dear (贵的). So they buy some apples and bananas.
1．Tomorrow is _________. ( )| A．September 1 | B．August 1 | C．June 1 |
| A．birthday party | B．class party | C．school party |
| A．supermarket | B．library | C．museum |
| A．cards | B．cakes | C．paper flowers |
| A．oranges and apples | B．apples and bananas | C．oranges and bananas |
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
