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Chen Jie: Wow, how beautiful!
Sarah: My birthday is on March 12th.
Chen Jie:
Sarah: Yes. I go to the zoo with my family. There are some animals in it.
Chen Jie: Look! I can see a tiger.
Sarah: It is sleeping.
Chen Jie: What are those monkeys doing?
Sarah:
Chen Jie: Yes.
Sarah: I can also see a panda climbing bamboo. How funny!
| A．What is it doing? |
| B．When is your birthday? |
| C．They are drinking water with their trunks. |
| D．It’s Tree Planting Day, too. |
| E．They’re eating bananas. |
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
