我端起táng cí(______)碗,觉得这个碗有千斤重,怎么也送不到嘴边。两个小同志不zhī dào(______)为什么,也端着碗不往嘴边送。老班长看到这情况,收敛了笑容,眉头拧成了gē da(______)。他说:“怎么了,吃不下?要是不吃,咱们就走不出这草地。同志们,为了革命,你们必须吃下去。小梁,你不要太cuì ruò(______)!”
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