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A—Assistant B—Miss Wang
A：Can I help you?
B：Yes, I want some oranges and apples.
A：How about these oranges?
B：Oh! They’re nice( 好的). How much are they?
A：They’re very cheap, only one yuan（元）a kilo.（公斤）
B：OK, I’ll take three kilos.
A：How many apples do you want?
B：I’ll take ten.
A：Here you are.
B：How much are they?
A：Fifty (50) yuan.
①判断正（T）误（F）。
（1）Miss Wang wants to buy some oranges and apples.
（2）The oranges are very cheap.
（3）But the apples are very expensive.
（4）The apples are ten yuan each(每公斤).
（5）Miss Wang gives the assistant 50 yuan.
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
