(____) 1. p ___w ___r 电力 A. o e B. e o C. i o
(____) 2. n ___t ___ 自然 A. a cher B. a ure C. e ure
(____) 3. fa___i___家庭 A. m ly B. m cy C. m my
(____) 4. an___m___ ___ 动物 A. m al B. m el C. i al
(____) 5. d___n___e 跳舞 A. o e B. o e C. a c
(____) 6. m___v___电影 A. o ie B. u ie C. o ea
(____) 7. ch___dr___ 儿童A. i en B. il an C. il en
(____) 8. sh___ 节目 A. ow B. ou C. aw
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