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（______） 1. What's Cathy's favourite festival?
A. Spring Festival. B. Children's Day. C. Tree Planting Day.
（______） 2. What do people do before the day of the festival?
A. People buy some trees. B. People are busy shopping and cleaning. C. People buy some gifts for children.
（______） 3. Do people have a big family dinner on the eve of the festival?
A. Yes, they do. B. No, they don't. C. We don't know.
（______） 4. What do people do on the first day of Spring Festival?
A. People plant trees. B. People wear new clothes to visit their relatives. C. People have a big party.
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
