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Nancy is reading an email from her American friend, Jack. Jack writes about his new school and his weekend.
Jack’s new school is not very big, but it’s very beautiful. There are two tall school buildings and a garden with colourful flowers. Their classrooms are big and clean. Jack likes his new school very much.
Last Saturday, Jack had no class. In the morning, he had a picnic with his friends in the park. They ate good food and played word puzzles. They sang and danced together. They were very happy. In the afternoon, he did his homework and helped his mother do housework.
1．Nancy had a picnic with her friends last Saturday.2．Jack’s new school is very big.
3．Jack did his homework in the morning.
4．They sang and danced at the picnic.
5．Jack had a good time last weekend.
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
