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Hello! Welcome to my grandpa’s farm. I’m Jack. I’m ten years old. Let’s visit (参观) the farm together (一起). Look. Here are some orange trees. Can you see the oranges? They’re green now. They all look (看上去) great. Look! Those are cows. They are black and white. Can you see the chickens and ducks? They’re under the tree. Let’s go and have a look.
1．Jack’s grandpa has (有) a farm.2．We can see some orange trees on the farm.
3．The oranges are red now.
4．We can see some black and white cows on the farm.
5．The chickens and ducks are behind the tree.
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
