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Tingting is 11. She has some good friends. Tingting wants to be a nurse. She wants to help people who can not see. Joe wants to be a teacher. He wants to help students to learn many things. John wants to be a policeman. Li Lei wants to be a farmer. Jie Jie wants to be a singer.
1．Tingting is twelve years old. （
2．She wants to be a doctor. （
3．John wants to be a teacher. （
4．Li Lei wants to be a policeman. （
5．Jie Jie wans to be a singer. （
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
