搜索
Hello. My name is Sam. I'm a boy. This is my brother, Jim. He's eight. He's a pupil. I am a pupil, too. And this is my mother. She is a teacher. This is my father. He's a doctor. Today(今天)is my father's birthday. Here's my present for him(他).
( ) 1. I am Sam.
( ) 2. I am a teacher.
( ) 3. Jim is my brother.
( ) 4. Jim is nine.
( ) 5. My father is a doctor.
( ) 6. Today is my birthday.
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
