Christmas is coming in Canada. It’s on December 25. It’s a fun holiday. We buy a Christmas tree and put it up in our house. Then we put gifts under the tree. Also we visit our family and friends. We give them gifts. We eat good food and sing Christmas songs together.
1.Christmas is a fun holiday. (____)2.People clean the house and buy new clothes at Christmas. (____)
3.At Christmas,people put the gifts on the Christmas tree. (____)
4.People visit their friends and family in the holiday. (____)
5.People eat dumplings and sing Christmas songs together. (____)
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同类型试题
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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
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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
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