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Yesterday was Sunday. Xiaogang went to the park with Mary. They took many photos. They were very happy. Tony didn’t go out to play. He did his homework at home. He was bored. Honghong watched a football game. She was very tired. Daming went to the supermarket. He bought some food. But he lost his bag. He can’t find it. So he was sad.
1．Xiaogang was sad on Sunday.2．Tony didn’t go out to play. He was bored.
3．Honghong was very excited.
4．Daming watched a football game at home.
5．Daming was sad. Because he lost his bag.
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
