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My name is Mary. I am eleven. Ted is my brother. He is thirteen. We are in the same school. My mother is a teacher. She is a teacher in our school. My father is a teacher, too. He is a Chinese teacher in a college. I have a cat. Its name is Miaomiao. It is white. It is a nice cat. We are good friends.
1.I am twelve.
2.Ted is Mary’s brother.
3.Ted and I are in the same class.
4.My parents are teachers.
5.I have a cat.
6.The cat is black.
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
