(1)动作迅速,眼光敏捷。形容机灵敏捷。(_____)
(2)精神振作,表现出旺盛的活力。(_____)
(3)不出声,屏住呼吸。(_____)
(4)原是形容书法笔力强劲的,后来也比喻见解、议论十分深刻。(_____)
(5)转悲哀为喜悦。(_____)
(6)有点儿相信又有点儿怀疑。(_____)
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