It is Tuesday today.Boys and girls are all at school。They usually come to school by bus.Their teacher is at school.too.The teacher’s name is Li Yan.She is young.She usually comes to school on foot .Look at the classroom of Class One,Grade Four.In this room,you can see a boy and a girl.The boy is eleven.His name is Jack.The girl is Emma.She is twelve.John is Jack’s friend.He is an American boy.
( )1.Boys and girls are all at home today.
( )2.The boys and girls go to school by bus.
( )3.Miss Li is not old.
( )4.Miss Li usually goes to school by bike.
( )5..John is an American boy.
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