( ) 1. A. ten B. tea C. four D. five
( ) 2. A. nine B. nice C. eight D. seven
( ) 3. A. one B. Coke C. coffee D. juice
( ) 4. A. three B. six C. two D. too
( ) 5 A. dog B. doll C. cat D. rabbit
( ) 6. A. ball B. balloon C. plane D. seven
( ) 7. A. car B. cat C. monkey D. bear
( ) 8. A. one B. boat C. kite D. car
( ) 9. A. throw B. fly C. bounce D. cake
( ) 10. A. close B. bird C. drive D. eat
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