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My name is Zhang Pei .I have a friend. His name is Jack. He has a grandfather and a grandmother .They are seventy years old. They are at home. Jack's father works in a school. His mother is a doctor, Jack is a good student. They are very busy. They all get up early in the morning. Jack often helps his grandparents cook breakfast. There is a big garden and many young trees in front of his house. We can play games there .It's great.
1．Jack and Zhang Pei are friends. （2．There are four people in Jack's family. （
3．Zhang Pei's mother works in a hospital. （
4．Jack's parents get up early and he gets up early, too. （
5．There is a big garden and many young trees behind his house. （
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
