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Simon: She's at the supermarket. She's buying things for your birthday party.
Daming: Oh! Am I going to have an American birthday this year?
Simon: Yes. And I'm making you a birthday card.
Mum: 2． I can't carry them all!
Simon: Sorry, I can't. I'm making Daming's birthday card.
Daming: 3．
Mum: Hold on to the balloons, please.
Daming: Oh no! 4． I can't hold the oranges and the balloons!
Mum: Come on, Simon. We need your help! 5．
Daming: Simon! Get the balloons. 6．
Mum: Too late! But look at the sky!
Simon: Wow! The sky says, “Happy birthday, Daming!”
| A．You can finish the card later. |
| B．The oranges are falling. |
| C．All the balloons are flying away. |
| D．I will help you! |
| E．Who can come out to help me? |
| F．Where's your mum? |
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
