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This is a big farm. There are many different animals on the farm. Look! The ducks are swimming in the pool. They are having a lot of fun. Two dogs are eating bones. They are enjoying their lunch. A fat pig is sleeping now. Some horses are running on the farm. A lot of sheep are walking on the grass. What is the little cat doing? Ah, it’s playing with a ball. How cute it is!
1．What are the horses doing?2．Are the dogs having lunch?
3．Where are the ducks swimming?
4．What is the little cat playing with?
5．How many kinds of animals are there on the farm?
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
