Today is my birthday.My friends are coming to my house.We are having a birthday party.My mother buys me a birthday cake.My grandpa buys some fruit and juice.They give me a surprise.It's my favourite book.I feel very happy.My friends sing a birthday song for me.I blow out the candles and make a wish.I have a happy birthday party.
( )1.My mother buys some fruit.
( )2.I feel very sad today.
( )3.My friends sing a song for me.
( )4.Today is my grandpa's birthday.
( )5.I blow out the candles and make a wish.

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

