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( )1. They say “thank-you” for food, family and friends. .
( )2. We fly the flag and we sing songs .
( )3. We all go to see the dragon boat race. We eat zongzi. It's very delicious.
( )4. We eat moon cakes and see the moon.
( )5. We say happy new year to our family and friends.
( )6. People eat yuanxiao, hang lanterns and do dragon dances .
A Flag Day
B the Lantern Festival
C the Mid-Autumn Festival
D The Dragon Boat Festival
E Thanksgiving Day
F the Spring Festival
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
