Store Guide
Here’s a list that shows what is on each floor of a department store.

1.Father’s Day is coming. If you want to buy your father a T-shirt, you can go to ________.
A.Second Floor | B.First Floor | C.Ground Floor | D.First Basement |
A.Second Floor. | B.First Floor. | C.First Basement. | D.Second Basement. |
a. trousers for kids b. a toy car c. a jazz CD d. a silk dress
A.c→a→d→b | B.c→b→a→d | C.a→c→b→d | D.a→b→d→c |

A.![]() | B.![]() | C.![]() | D.![]() |

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

