Today is Children’s Day.The students are in the park.There’s a hill and a lake in the park.Now it’s lunchtime.They’re having a picnic on the grass.Zhang Tao is having a hamburger,Li Ming is eating a hot dog, Wang Lan is drinking some orange juice.They are going to to go skating after lunch.They can’t find Su Hai and Su Yang.Oh,they’re flying kites over there.All the students are very happy.
( )1. The students are playing football in the park.
( )2. There isn’t a hill in the park.
( )3. Li Ming is drinking some orange juice.
( )4. Su Hai and Su Yang are having lunch now.
( )5. All the students are happy in the park.
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