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My mother and I are in the shop(商店). We'll buy(买)some fruit. There are many apples, bananas, oranges, pears and watermelons. How much are they? Four yuan for a kilo(千克) of apples. Two yuan for a kilo of bananas. Three yuan for a kilo of oranges. Five yuan for a kilo of pears. One yuan for a kilo of watermelons. We'll take some.
1．Where is my mother? ( )A．At home.  | B．At school. | C．In the shop. |
| A．Some food. | B．Some vegetables. | C．Some fruit. |
A．Two yuan for a kilo.  | B．Three yuan for a kilo. | C．Four yuan for a kilo. |
| A．Yes, there are. | B．No, there aren't. | C．I don't know. |
| A．12 | B．13 | C．14 |
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
