Hi, I’m Jack. I have short hair. I have small eyes. My hobby is playing the drums. Mary is my sister. She has long hair. She has big eyes. Her hobby is dancing. She likes singing songs, too. My father is a policeman. He’s tall and strong. His favourite sport is table tennis. My mother is a doctor. She is tall and beautiful. She works in a hospital. She likes drawing pictures. Now our family is in the park. I’m climbing the hill. Mary is playing the erhu. Dad is swimming. Mum is speaking to her friend. We are having a good time.
1.Jack has short hair and big eyes.2.Mary’s hobby is dancing.
3.Jack’s father works in a hospital.
4.Mary’s mother is tall and strong.
5.Jack’s family are playing in the park now.
6.Mary’s friend is playing in the park, too.
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