(1)“月”这个意象,古人很早就发现“隔千里兮共明月”,因此月经常被古人用以寄托思念,例如苏轼《水调歌头》中以“
(2)“雪”这个意象通常代表着困难,李白在《行路难》中以“欲渡黄河冰塞川,
(3)古人登“楼”,则常挥洒内心的愁苦。辛弃疾在《丑奴儿》中写道“少年不识愁滋味,

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

