(1)c mputer (计算机) (A.e, B.a , C.i , D.o )
(2)fn(风扇) (A.i B.e C.o D.a)
(3)fv (五) (A.i,a B.e,i C.a,e D.i,e)
(4)mth (数学) (A.i B.u C, e D.a )
(5)msc(音乐) (A.u,r, B.i,u C.a,e D.u,i)
(6)pctur(图画) (A.o,o B.e,e C.e,i D.i,e)
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