热闹:①(景象)繁盛活跃; ②热闹的景象。
1.他只顾着看热闹,忘了回家了。(
2.转眼又是新春到,全家团圆真热闹。(
包装:①在商品外面用纸包裹或把商品装进纸盒、瓶子等;
②比喻对人或事物从形象上装扮、美化,使更具吸引力或商业价值。
3.米糕做好了,还得要人包装、送货、销售。(
4.有些电影演员经过商业包装,失去了应有的纯真。(
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