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Today is Teachers’ Day. we don’t go to school. We are having a good time with Miss Wang in a nature park. She teaches us maths. She’s strict, but we all like her. Look, Lily and Lucy are singing and dancing. Mike is watching flowers. Dave is watching a rabbit. Is the rabbit sleeping? No, it’s eating carrots. Miss Wang is washing fruit for us. I’m helping her. How happy we are!
1．It is Oct.10th today.2．We are having a birthday party at school.
3．Miss Wang teaches us Chinese.
4．The rabbit is eating carrots.
5．I am washing fruit with Miss Wang.
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
