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( )（1）Is thisyoubag ?
A B C__________.
( )（2）Who storybookisthis?
A B C
_ .
( )（3）Thatsoundsweet .
A B C___________.
( )（4）Yes,itisn’t .
A B C___________.
( )（5）Hello,boysandgirl.
A B C
___________.( )（6）Thatismeruler .
A B C___________.
( )（7）Where do yourcome from ?
A B C___________.
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
