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My name is Li Ping. I am ten. I like playing ping-pong. I am from Hainan. My family went on a trip last Sunday. We went to Beijing by plane. We saw the Tian'anmen Square. Li Jing is my cousin. She is eleven years old. She went to Beijing, too. We went to the zoo to watch animals. And we played with a ball in a park. We were very happy.
1．Li Ping is eleven. （2．Li Ping likes playing pingpong. （
3．Li Jing is eleven. （
4．Li Jing went to the park to watch animals. （
5．Li Ping was happy. （
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
