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( ) 1. A. Wednesday B. birthday C. Monday D. Saturday
( ) 2. A. rabbit B. monkey C. hamburgerr D. cow
( ) 3. A. cent B. cola C. milk D. tea
( ) 4. A. pond B. lake C. river D. mountain
( ) 5. A. airport B. balloon C. theatre D. park
( ) 6. A. flew B. spent C. bought D. become
( ) 7. A. rainy B. snow C. windy D. sunny
( ) 8. A. Geography B. study C. Science D. Physics
( ) 9. A. smile B. tired C. excited D. wonderful
( ) 10. A. October B. July C. September D. classmate
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
