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A. Christmas B. Children's Day C. Halloween
D. Women's Day E. Chinese New Year F. National Day
( ) 1. It's a Chinese holiday. It is on the first day in October.
( ) 2. It's a holiday in June. Children sing and dance on that day. They are very happy.
( ) 3. It's an American holiday. It's in October.
( ) 4. It's a holiday for ladies(女士). It's in March.
( ) 5. It's a big Chinese holiday. It's in January or February.
( ) 6. It's a holiday in December. Santa comes with gifts for Children.
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
