( )(1)A.chicken B. fish C.desk
( )(2)A.May B.Sunday C. June
( )(3)A. grapes B. brown C. green
( )(4)A.bus B. car C.jelly
( )(5)A.fifth B.sixty C.second
( )(6)A.summer B. spring C. Monday
( )(7)A.sunny B.rainy C. wind
( )(8)A.bird B. cat C.bread
( )(9)A.teacher B.tree C. farmer
( )(10)A.egg B. cut C.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