搜索
One Sunday morning, Mr Brown and his son, Bill, are in a supermarket. Bill wants to buy some fruit. He likes oranges and apples. So his father busy two kilos of oranges and three kilos of apples for him. Mr Brown buys some books and a tie.
1．Mr Brown and________are in a supermarket. ( )
| A．Mrs Brown | B．his friend | C．his son |
| A．Yes. | B．No. | C．Sorry, I don’t know. |
| A．some fruit | B．some apples | C．some oranges |
| A．a book | B．some books and a tie | C．a tie |
| A．2 | B．3 | C．5 |
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
