①狼吞虎咽 ②惶恐不安 ③手忙脚乱 ④喋喋不休 ⑤垂头丧气 ⑥蹑手蹑脚
⑦精神抖擞 ⑧口若悬河 ⑨一声不吭 ⑩得意忘形 ⑪异口同声 ⑫跑东窜西
1.表示动作的:________________
2.表示语言的:________________
3.表示神态的:________________
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