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We’re at the supermarket. Look, there are so many fruit here! There are 17 pears. There are 15 apples. There are 16 peaches. There are 14 oranges. There are 18 lemons. There are 14 watermelons. There are 19 pineapples. We want to buy them!
1．There are ________ apples. ( )| A．fifteen | B．fourteen | C．thirteen |
| A．seventeen | B．sixteen | C．fourteen |
| A．fourteen | B．eighteen | C．nineteen |
| A．twenty | B．nineteen | C．eighteen |
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
