搜索
( )（1）A.They have a big dinner. B.They have picnics. C. They watch films.
( )（2）A.I like Sundays. B.I like presents. C. Yes,I like Christmas.
( )（3）A.No, he doesn’t. B.No, she doesn’t. C. Yes, she can.
( )（4）A.There’s a Christmas tree.B.It’s a Christmas tree.C. Yes, there is.
( )（5）A.I can make a card. B.No, I can’t. C. I draw pictures.
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
