( )(1)A. taller B. short C. older
( )(2)A .horse B. goose C. home
( )(3)A. try B. often C. never
( )(4)A. third B. apple C. first
( )(5)A. science B. China C. English
( )(6)A. when B. window C. where
( )(7)A. my B. eraser C. his
( )(8)A. rainy B. windy C. baby
( )(9)A .Tuesday B. December C. Friday
( )(10)A. take B. wash C. why
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