1.爷爷的牧场可大啦,他不但畜(xù chù)养了许多家禽,而且还圈养了许多牲畜(xù chù),一到暑假,我就跑去那儿玩,可开心啦。
2.他挣扎(zhá zhā zā)着要站起来,可是扎(zhá zhā zā)着绷带的腿实在事使不出劲。他只好朝那一大扎(zhá zhā zā)堆的人求救。

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

