(1)下:①去,到;②方位词,表示属于一定的范围;③由高处到低处;④用。
医家都不下药了。(
烟花三月下扬州。(
(2)白:①像霜或雪的颜色,跟“黑”相对;②无代价,无报偿;③用白眼珠看人,表示轻视或不满;④没有效果;徒然。
只要身上有白点,白刷不要钱。(
墙面白得透亮,白得清爽。(
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