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A Student
I am a student . My name is Lilei. I’m 11. My home is at 23 Tianjin Road. My home phone number is 6996037. I’m in No 5 Primary School. I’m in Class4 Grade 6. I’m in row 3. I like dogs . I have a white dog. Its name is Carl.
（1）Li Lei is twelve.
（2）Li Lei’s home is in Tianjin..
（3）Li Lei is No.4 Primary School.
（4）Li Lei has a black dog.
（5）Carl is LiLei’s cat.
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
