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Christmas is a very important western (西方的) festival. It is on the 25th of December. People decorate (装饰) their homes. They send Christmas cards to their relatives (亲戚) and friends ,and buy Christmas trees to decorate their homes. They buy presents and put them under their Christmas trees. Some families open their presents on the eve (前夜) of Christmas Day. There are lights and shops in the street. Everyone gets together and has a big family meal. They have a good time.
1．When is Christmas? ( )| A．It’s on the 25th of December. | B．It’s on the 25th of November. |
| A．Presents. | B．Lanterns. |
| A．Lights and shops. | B．Presents. |
| A．Good food. | B．Christmas cards. |
| A．They have a big family meal. | B．They carry a flag. |
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
