Hello. My name’s Peter. Come and meet my family. There are eight people in my family. Sally and Andy are my . My mother has big eyes. She is a . She is so nice. My father is tall. He has . Mary is my grandmother. She can cook nice food. I like the so much. Alan is my grandfather. He is a . He has a big farm. He can tell me the story about vegetables. Kate is my She has short hair. She is a . She works in a hospital. Tim is my uncle. He is so funny. He is a . He can drive a taxi. Brian is my He is only I. He has no I love my family. They love me, too.
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