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( ) A.girl B.first C.bird D.litter
( ) A.her B.sir C.were D.centre
( ) A.dirty B.birthday C.today D.skirt
( ) A.shirt B.nurse C.her D.yesterday
( ) A.her B.brother C.worker D.sister
( ) A.yesterday B.sir C.September D.ago
( ) A.bird B.winter C.teacher D.summer
( ) A.cleaned B.talked C.looked D.worked
( ) A.showed B.called C.named D.did
( ) A.jumped B.cooked C.liked D.visited
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
