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Ben is going to visit his grandparents in New York next week. He wants to give some presents to them. Yesterday he went shopping with his parents. In the shop, he bought black trousers and a blue sweater for his grandpa and a book about China for his grandma. His parents said they were very good presents. Ben was very happy.
1．Where are Ben's grandparents? ( )| A．In England. | B．In the US. | C．In China. |
| A．He visited his grandparents. |
| B．He went shopping with his friends. |
| C．He went shopping with his parents. |
| A．black trousers | B．a book | C．a blue sweater |
5．When is Ben going to visit his grandparents?
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
