(1)鸟儿们一扫平时彬彬有礼的斯文样子,吵吵闹闹,吹胡子瞪眼。( )
(2)鸟王一声大喊,大厅里立即安静了下来。( )
(3)这是一项特殊的任务,我们要好好完成它,才能对得起老师的信任。( )
(4)等大伙儿回过神来,都不由得暗暗赞叹喜鹊的乖巧。( )
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