搜索
Helen has a happy family. She lives in Suzhou with her parents. Helen is a student. She gets up at 6:30 every morning and goes to school on foot. Her father is a policeman. He goes to work by bus. And her mother is a doctor. She goes work by bike. What do they usually do on Sundays? Helen usually goes shopping with her mother. But her father doesn’t like going shopping. He usually reads books at home.
1．Helen lives in Suzhou with her parents.
2．Helen isn’t a student.
3．Helen’s father is a policeman.
4．Helen’s mother likes reading books at home.
5．Helen’s father doesn’t like going shopping.
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
