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Mary’s father is a farmer. He has got a big farm. It’s near the hill. There are many pigs and sheep in it. Mary likes white sheep. She doesn’t like black sheep. The pigs always sleep. They like to eat. They don’t like to walk and run. Look over there.There are some horses running on the grass. They run very fast. Some are brown. Some are black.
1．Mary’s grandfather is a farmer. （2．Mary doesn’t like white sheep, but she likes black sheep. （
3．The pigs always eat and sleep. （
4．Some brown horses are running on the grass. （
5．Black horses don’t like to walk or run. （
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
