此地不愧为燕园胜地,茂林修竹,绿水环流。每逢望夜,月光闪耀于碧波之上,上下空蒙,再加上薄雾弥漫,犹如人间仙境一般。
1.上面文字中加点的两个字,读音都正确的一项是( )A.yán báo | B.yān bó | C.yàn bó | D.yàn báo |
A.一 | B.、 | C.丨 | D.丿 |
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