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（____）1.A America B. Chinese C.kind
（____）2.A quickly B. big C. circle
（____）3.A. excited B. suggest C.surprise
（____）4.A. dragon B. as C. same
（____）5.A. big B. line C. kind
（____）6.A. English B. angry C. song
（____）7.A. think B. knee C. thank
（____）8.A. language B. long C. song
（____）9.A door. B. book C. good
（____）10.A .dream B. idea C. easy
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
