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Victor is Lily’s aunt’s son. Victor and Lily are good friends, too. They are making plans for the summer vacation. Victor is going to the USA. He is going to visit his uncle there. He is going to take lots of photos in the USA. Lily is going to stay at home. She is going to help her mom and dad with the housework. She is going to play with her friends, too. They are very excited about the plans.
1．Victor is Lily’s _______. ( )| A．brother | B．cousin | C．sister |
| A．summer vacation | B．winter vacation | C．weekend |
| A．stay at home | B．the USA | C．visit his friends |
| A．help her parents | B．take photos | C．have a trip |
| A．father | B．grandfather | C．uncle |
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
