(1)A.afternoon B.cartoon C.ballon
(2)A.roll B.pull C.fall
(3)A.plate B.plane C.plant
(4)A.camping B.can’t C.can
(5)A.how B.cow C.now
(6)A.park B.back C.black
(7)A.1ast B.past C.taste
(8)A.has B.as C.else
(9)A.pick B.milk C.1ike
(10)A.fun B.son C.one
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