Liu Tao: Grandpa, this is Mike. He’s my friend.
Grandpa: Nice to meet you, Mike. Welcome to my farm.
Mike: Nice to meet you, Grandpa.
Liu Tao: Mike, look at the cows. Are they cute?
Mike: Yes. How many cows do you have, Grandpa?
Grandpa: I have twelve cows.
Mike: What are those on the river? Are they ducks?
Liu Tao: Yes, they are. We have nineteen ducks.
Mike: Do you have any pigs?
Grandpa: Yes, I do. I have nine pigs. They are over there.
1.Liu Tao and Mike are at the zoo(动物园). (
2.Liu Tao and Mike are friends. (
3.They see (看见) some cows on the farm. (
4.Grandpa has nineteen pigs.(
5.The ducks are on the river. (
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