I knew that my father’s aunt, Betsey Trotwood,
I had to walk there and the journey took six long days. When I got to Dover, I asked a few people and they told me where
When Miss Betsey saw me, she shouted, “Go away!
“What!” she cried,
“Please, Aunt Betsey, I’m your nephew (外甥) David Copperfield. You came on the night I was born and saw my dear mother. My life
My aunt picked me up and took me into her sitting room. While I
Aunt Betsey listened to him carefully and replied, “I don’t believe a word you say. I know you’ve been cruel to this boy and his poor mother. I

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

