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Simon: Yes, it is. We love to play with the ducks here.
Simon's mum: 1．
Simon and Daming: Hooray! We are hungry and thirsty.
Simon's mum: Can you help me take out the food?
Simon and Daming: 2．
Simon's mum: Here are your sandwiches. Oh no! 3．
Simon: Don't worry. We can drink water here.
Simon's mum: 4． It's not clean. We can buy some in the supermarket over there.
Daming: Can we go fishing here?
Simon's mum: Sorry, it says “5．" But you can row a boat on the lake.
| A．That's a good idea! |
| B．No problem! |
| C．I didn't bring any water! |
| D．Let's have a picnic now. |
| E．No fishing! |
| F．Don't do that! |
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
