搜索
（______）1.A. close B. noise C. has D. ask
（______）2.A. zebra B. rice C. size D. rise
（______）3.A. boats B. friends C. slides D. roads
（______）4.A. shirts B. words C. sweets D. pilots
（______）5.A. like B. tiger C. pilot D. hospital
（______）6.A. bread B. he C. green D. leave
（______）7..A. house B. blow C. blouse D. how
（______）8.A. dolphin B. biscuit C. light D. beside
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
