Look! The sun is shining. The children are smiling. Today is Children’s Day. It’s Monday, but there are no classes at school. The children are playing happily in the Children’s Park.
There is one little child running here and there. She is Mary. She is a student of Grade Three. Today is her birthday. She is playing hide-and-seek (躲迷藏) with her little friends. Look at her classmates. Some are playing games near the tree. Some are drawing pictures. Some are singing and dancing. All the children are having a good time.
Who are planting trees on the hill? They are students of Grade Six. Their teachers are helping them. It’s a hard work, but they are all happy.
What a lovely day today!
1.It’s sunny today. Children are playing in the park. (______)
2.The students on the hill are not happy. (______)
3.Planting trees is a hard work. (______)
4.The children are all working at school today. (______)
5.The teachers are all working at school today. (______)
6.It’s a lovely day today. (______)
7.Mary is in Grade Six. (______)
8.Mary is playing games near the tree.(______)
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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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