( )1. A. fine B. wind C. rain
( )2. A. and B. with C. for
( )3. A. long B. short C. big
( )4. A. new B. old C. short
( )5. A. water B. tree C. picture
( )6. A. panda B. pandas C. a panda
( )7. A. black and white B. black and red C. white and red
( )8. A. short B. small C. long
( )9. A. short B. big C. small
( )10. A. are B. be C. am
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