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I’m Mingming. I have two good friends. They are Dongdong and Tiantian. Dongdong has many hobbies. He likes studying English. Every morning he reads English. He often sings English songs. He likes doing kung fu and playing basketball. He also likes swimming. Tiantian likes singing. She sings well. She likes flying, too. She is a beautiful bird. Dongdong and I like her very much. We often play with her. But my parents think she is noisy.
1．Mingming has two good friends, Dongdong and Tiantian.2．Dongdong doesn’t like English.
3．Dongdong likes playing basketball and swimming.
4．Tiantian likes singing and flying.
5．Mingming’s parents like Tiantian very much.
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
