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Peter’s father is a farmer. He has a very big farm. It’s near the hill(小山). There are many horses and sheep on it. Peter likes the white sheep. He doesn’t like the black sheep. Look over there. There are some horses running on the grass. They can run very fast. Some are brown. Some are black. There are also some pigs on the farm. The pigs like sleeping and eating corn. They don’t like walking or running. So they are very fat.
1．Peter’s grandfather is a farmer.2．Peter doesn’t like the white sheep, but he likes the black sheep.
3．Some cows are running on the grass.
4．Horses don’t like walking or running.
5．The pigs like eating and sleeping.
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
