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There are a lot of farms in Australia. On Australian farms. farmers keep cows and sheep for the milk, meat and wool(毛).
Now some farms there have other animals. too. They raise llamas from South America for their wool. People use llamas’ wool to make warm clothes. Llamas wool is better than sheep’s wool.
On some farms people keep emus. Emus are very big birds. They can’t fly, but they can run fast. Farmers keep them for their meat.
On other farms there are deer. Some of them are from China. People use some parts of the deer’s body as medicine(药物).
1．There are2．Llamas’ wool is good for making
3．
4．Emus can run very
5．Some parts of the
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
