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A.What time is your birthday?
B.What are you doing?
C. Hi, Lucy.
D.I am singing at my birthday party.
A.What time is your birthday?
B.What are you doing?
C. Hi, Lucy.
D.I am singing at my birthday party.
Jack:1____________________
Lucy: Hello, Jack.
Jack:Do you want to look at my photos?
Lucy:2_______________.
Jack:I am swimming.
Lucy:That’s great.
Jack: In this photo,3______________
Lucy:4_______________
Jack:My birthday is June first.
Lucy: I know June first is Children’s Day.
Jack: Yes, My birthday is this day.
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
