sad, nothing, if, however, final, beauty, farmer, he, before, important, quick |
Once there lived a wise (聪明的) man in the country.
The son set out eagerly (急切地). He travelled really far across forests and mountains.
He got home and his father asked, “How was your journey to the place? Did you enjoy it?” “Of course not, I was worried that someone else would find the treasure
“Nice things are always there,” the father smiled. “My son, I want you to have a goal. If you don’t have a goal, you won’t set out. But

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

