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( ) 1. A. beach B. heavy C. ready
( ) 2. A. kite B. hit C. like
( ) 3. A. throw B. window C. cow
( ) 4. A. try B. dry C. any
( ) 5. A. let B. before C. me
( ) 6. A. often B. orange C. open
( ) 7. A. after B. teacher C. very
( ) 8. A. deaf B. breakfast C. clean
( ) 9. A. born B. word C. work
( ) 10. A. there B. thought C. they
( ) 11. A. cake B. lake C. ask
( ) 12. A. hear B. near C. early
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
