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lion cow pig fish duck
1．It is black and white. It eats grass. We drink its milk. It's a ______.
2．It has got no hands and no legs. It can swim fast. It's a ______.
3．It has got two legs. It likes water. It can swim. It can walk, too. It's a ______.
4．It has got four legs. It eats other animals. It is brown. It's a ______.
5．It lives on a farm. It has got a big nose, a big mouth, two big ears and four legs. It eats a lot every day. It sleeps a lot, too. It's a ______.
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
