搜索
Hello! My name is Sam. I'm a boy. I'm ten. I'm a pupil. This is my mother, Sally. She's 43. She is an English teacher. Look, that is my sister. She's twelve. She is a pupil too. Today（今天）is my mother's birthday. Here's my present for my mother. I say, “Happy birthday, Mum!” She is very happy.
1．I am Sam. （______）2．My sister is an English teacher. （______）
3．My mother is 34. （______）
4．My sister is a pupil. （______）
5．Here's a present for my father. （______）
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
