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The Mid-Autumn Festival is one of the most important festivals in China. Before the festival, many shops sell moon cakes, round cakes with meat, eggs, nuts or something sweet inside. On the Mid-Autumn Festival, we will get together and have a big family dinner. In the evening we can eat moon cakes and all kinds of fruits. We look up at the sky and watch the big moon. We also sing a song. We have a happy day.
1．Before the festival, shops sell dumplings. （2．We watch the moon in the evening. （
3．There are many kinds of moon cakes. （
4．The MidAutumn Festival is not important in China. （
5．We are happy on that day. （
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
